JP7359276B2 - clock movement - Google Patents

Description

The present invention relates to a watch movement.

As a conventional watch, it has a base plate that serves as the base frame for the movement that drives it, and on that base plate, there is a date wheel for displaying the date, a date wheel for rotating the date star wheel, and a day display. There is a device in which a day indicator wheel for the day indicator and a day wheel for rotating the day indicator wheel are each guided by the main plate gear by gear (see Patent Document 1).

Japanese Patent Application Publication No. 2010-243160

BACKGROUND ART Attempts have been made to improve the added value of conventional watches by adding various display functions such as a day display function, a day display function, and a moon phase display function in addition to a time display function. For this purpose, it is necessary to provide drive wheel trains for these display cars, and it is also desirable to provide independent correction wheel trains for these display cars. However, each time the number of displayed cars to be corrected increased, it was necessary to increase the number of corrected wheel trains, which caused many layout constraints.

The present invention has been made in view of the above-mentioned circumstances, and an object to be solved is to provide a timepiece movement that saves space in plan view and facilitates the addition of functions.

In order to solve the above-mentioned problems, one aspect of the watch movement according to the present invention includes a first display wheel for a first display, a second display wheel for a second display, and a second display wheel for a second display. a first rotating wheel that engages with and rotates the first indicating wheel; and a second rotating wheel that engages with and rotates the second indicating wheel; The two display wheels are arranged coaxially, and the first turning wheel and the second turning wheel are arranged coaxially.

According to one aspect of the clock movement described above, the first display wheel and the second display wheel are arranged coaxially, and the first turning wheel and the second turning wheel are arranged coaxially. In plan view, these gears overlap to save space. This makes it possible to add functions or decorations to improve added value, such as more display functions or partial skeletons.

Moreover, one aspect of the movement of the timepiece according to the present invention includes a first pressing member provided between the first display wheel and the second display wheel, and a first pressing member that presses the second display wheel from the surface side. a second holding member, the second display wheel having a guide portion provided on the first holding member between the first holding member and the second holding portion. , guided coaxially with the first display wheel and disposed apart from the first display wheel in the axial direction, and the first display wheel and the second display wheel rotate independently. Preferably, the method is characterized by:
According to one aspect of the watch movement described above, the first display wheel and the second display wheel are arranged apart in the axial direction and can be rotated independently, which saves space in plan view. can contribute to

Moreover, one aspect of the movement of the timepiece according to the present invention is such that the second display wheel is slidable on the first pressing member side of the second display wheel with at least one of the first pressing member and the second display wheel. The first holding member has a cylindrical part as the guide part which is provided in a cylindrical shape coaxially with the first display wheel and protrudes in the axial direction. The second display car guide seat is guided coaxially with the first display car by the cylindrical part, and the second display car is coaxially attached to the second display car guide seat. is preferred.

Moreover, one aspect of the movement of the timepiece according to the present invention is such that the second display wheel is slidable on the first pressing member side of the second display wheel with at least one of the first pressing member and the second display wheel. The first holding member has a cylindrical part as the guide part which is provided in a cylindrical shape coaxially with the first display wheel and protrudes in the axial direction. The second display car guide seat is guided coaxially with the first display car by the cylindrical part, and the second display car is coaxially attached to the second display car guide seat. Preferably, it is characterized by:

According to one aspect of the timepiece movement described above, the first display wheel and the second display wheel are arranged apart from each other in the axial direction by the first pressing member and the second display wheel guide seat. , can be rotated individually and can contribute to space saving in plan view.

Further, one aspect of the timepiece movement according to the present invention includes a dowel formed to protrude in the axial direction on one of the first rotating wheel and the second rotating wheel, and the first rotating wheel has a dowel formed to protrude in the axial direction. Alternatively, the other of the second rotating wheels has a dowel receiving hole for inserting the dowels, and the first rotating wheel and the second rotating wheel are arranged so that the dowels are inserted into the dowel receiving holes. Preferably, one of the first rotating wheel and the second rotating wheel is provided with a toothed portion for meshing with another gear.

According to one aspect of the clock movement described above, when the toothed portion meshes with another gear (for example, a date intermediate wheel) and rotational force is transmitted, the first rotating wheel and the second rotating wheel , the dowel and the dowel receiving hole allow rotational force to be transmitted and simultaneous rotation. For this reason, if either the first driving wheel or the second driving wheel is provided with a toothed part, the other driving wheel is provided with a toothed part and meshes with the other gear to form the intermediate date wheel. By eliminating the need for rotational force to be transmitted from etc., it becomes possible to make the shaft thinner in the axial direction than in the case where a toothed portion is provided. Further, by changing the position of the dowel or the dowel receiving hole, the relative position of the first rotating wheel and the second rotating wheel can be changed. Therefore, the phase between the first rotating wheel and the second rotating wheel can be easily adjusted.

In one aspect of the above-mentioned timepiece movement, the movement has a transmission lever main body plate portion and a receiving portion pressed by a pressing member, and is rotatable perpendicularly to the axial direction about the first fixed member as a rotation axis. a correction transmission lever provided on the correction lever, a correction part for contacting the correction lever main body plate part and the tooth of the second display wheel, and rotates perpendicularly to the axial direction with the second fixed member as a rotation axis. a correction lever that rotates the second display wheel movably provided on the movement, and an engaging portion provided on one of the correction transmission lever or the correction lever so as to protrude toward the other; The transmission lever body plate portion and the correction lever body plate portion are arranged parallel to a plane perpendicular to the axial direction, and have a receiving hole for engaging with the engagement portion, and the transmission lever body plate portion and the correction lever body plate portion are arranged parallel to a plane perpendicular to the axial direction. is pressed by the pressing member and the correction transmitting lever rotates, so that the correction lever rotates, and the correction part of the correction lever comes into contact with the teeth of the second display wheel, and the correction transmission lever rotates. Preferably, the display wheel is rotated.

According to this aspect, the transmission lever main body plate part and the correction lever main body plate part are disposed parallel to a plane perpendicular to the axial direction, and the engaging part is separated from the correction transmission lever by the correction lever body at different positions in the axial direction. In order to transmit the rotational force with the lever, the correction transmission lever receiver is pressed by the pressing member, and when the correction transmission lever and the correction lever rotate in a plane perpendicular to the axial direction and push the second display wheel. Even if there is a difference in position between the pressing member and the second display wheel in the axial direction, it is possible to suppress the generation of a moment in the axial direction in the correction transmission lever and the correction lever. Therefore, it is possible to prevent malfunctions caused by tilting of the correction transmission lever and the correction lever.

In one aspect of the movement of the timepiece described above, the first turning wheel has a first turning pawl for engaging with the first indicating wheel, and when the first indicating wheel is corrected, the teeth of the first display wheel are deformed when they come into contact with the first turning pawl, and have a first elastic part for avoiding rotation of the first turning wheel; has a second rotating pawl for engaging the second indicating wheel, and when the second indicating wheel is corrected, the teeth of the second indicating wheel engage with the second rotating pawl. It is preferable to have a second elastic part that deforms when in contact and prevents rotation of the second rotating wheel.

According to this aspect, since the first elastic part and the second elastic part are provided, the first display wheel and the second display wheel are modified so that they come into contact with the first turning pawl and the second turning pawl. Even in such a case, the first elastic portion and the second elastic portion are elastically deformed to prevent force from being transmitted to the first rotating wheel and the second rotating wheel. Therefore, it is possible to prevent the first rotating wheel and the second rotating wheel from being damaged due to modification.

In one aspect of the above-described timepiece movement, it is preferable to include a second base plate that has unevenness for attaching members and is attached to the front surface side of the base plate of the movement. According to this aspect, by providing the second base plate to which a new member can be attached, the functions of the timepiece movement can be expanded.

According to this aspect, by providing the second base plate with unevenness for guiding or attaching members, it is possible to attach a variety of members more easily than a normal holding member without changing the base plate. This makes it possible to add various additional functions.

In one embodiment of the above-mentioned timepiece, the first display is a date display, the first display wheel is a sun wheel, the first turning wheel is a date turning wheel, and the first display wheel is a date turning wheel. It is preferable that the second display is a lunar phase display, the second display wheel is a lunar phase wheel, and the second rotating wheel is a lunar phase wheel.

According to this aspect, the first display wheel is a date and star hand, and the second display wheel is a moon phase wheel, so that it is possible to add a day display and a moon phase display as additional functions to the watch. It becomes possible to improve the value.

FIG. 2 is a plan view of a timepiece display section to which a movement according to an embodiment of the present invention is applied. FIG. 2 is a plan view of the movement of the timepiece according to the present embodiment with the month jumper and day jumper removed. FIG. 1 is a perspective view showing a movement of a timepiece according to the present embodiment. FIG. 2 is a perspective view showing the positional relationship of constituent members such as the main plate of the timepiece according to the present embodiment. FIG. 3 is a perspective view of the movement with the decorative plate and moon phase jumper removed. It is a perspective view showing a date wheel and a moon phase wheel. FIG. 6 is a perspective view of the movement from FIG. 5 with the date jumper removed. FIG. 8 is a plan view of the movement from FIG. 7 with the second base plate removed. FIG. 3 is a bottom view of the second base plate viewed from the back side. 3 is a cross-sectional view of the movement taken along the line O-B-C-D-E in FIG. 2. FIG. FIG. 3 is a sectional view taken along line OA in FIG. 2 of the movement. FIG. 3 is a sectional view taken along the line OG in FIG. 2 of the movement. It is a diagram in which a lunar age correction transmission lever, a lunar age correction lever, and a button are extracted as a lunar age correction mechanism. It is a figure showing the moon phase correction transmission lever 56, the moon phase correction lever 57, and the moon phase wheel 40 in a state where the button 55 is pressed. FIG. 2 is a plan view of the movement of the timepiece according to the present embodiment with the month jumper and day jumper removed. The front side from the second base plate is a cross section of the movement 2 along cutting line JK in FIG. 15, and the back side of the second base plate is a cross section along cutting line JL in FIG. 15. 16 is a cross-sectional view of the movement taken along section line I-C in FIG. 15. FIG. It is a diagram showing the positional relationship between the oshidori and the bolt. It is a diagram showing the positional relationship between the oshidori and the small iron lever. FIG. 7 is a plan view of a display section of a timepiece including a movement according to a second embodiment. FIG. 7 is a plan view of the movement of the second embodiment with the lunar jumper removed. It is a perspective view of the movement of a second embodiment. It is a perspective view of a day turning gear, a day turning pawl, and a shaft. FIG. 7 is a plan view of the movement of the second embodiment with the date jumper removed. 22 is a cross-sectional view of the movement taken along cutting line MO in FIG. 21. FIG. 22 is a cross-sectional view of the movement taken along section line PL in FIG. 21. FIG. FIG. 3 is a plan view showing a date wheel assembled into a movement. FIG. 3 is a plan view showing a state in which the day wheel is assembled into a movement. FIG. 3 is a sectional view taken along the line O-B-C-D-E in FIG. 2 of the movement in the embodiment in which the moon phase guide seat is fixed to the date jumper. FIG. 3 is a sectional view taken along the line O-B-C-D-E in FIG. 2 of the movement in an embodiment in which the moon phase guide seat rotates together with the moon phase wheel.

<First embodiment>
FIG. 1 is a diagram showing a schematic configuration of a timepiece 1 equipped with a movement 2 according to a first embodiment of the present invention. Although not shown in FIG. 1, the watch 1 includes an exterior case, a cover glass, and a back cover. The cover glass is attached to the outer case so as to cover the disc-shaped dial 10. The dial 10 is included in the watch 1 as a display section that displays information to the user.

The dial 10 is provided with a second hand 11, a minute hand 12, and an hour hand 13 as hands. The dial 10 also includes a small window 14 located at the 6 o'clock position for displaying the date and moon phase, and a power reserve hand 24 located at the 12 o'clock position for displaying the remaining winding amount of a barrel wheel 76 (to be described later). It has a small window 15 for power reserve, and a partial skeleton part 16 located at the 9 o'clock position.

In a plan view when the dial 10 is viewed from the pointer axis direction as shown in FIG. is visible from the top.

In the small window 14, the date indicator hand 22 is a pointer for indicating the date, and the numbers 1 to 31 are displayed on the scale 21 (in this embodiment, only odd numbers are displayed as numbers, and even numbers are displayed as dots). The date is displayed as the first display by indexing the date (displayed). In addition, the moon phase display section 23 displays the moon phase as a second display by rotating the moon phase wheel 40 having a moon mark 43 that looks like the waxing and waning of the moon through the opening 10B of the dial plate 10.

Further, the watch 1 is provided with a button 55 used for adjusting the moon phase at the 4 o'clock position of an outer case (not shown), and a crown 25 at the 3 o'clock position. By operating the crown 25, the time and date are adjusted. Note that in this application, the front side of the watch 1 refers to the dial 10 side which is the display section on which information is visually recognized by the user, and is sometimes referred to as the top side when indicating the direction of the parts that make up the watch. The back side means the opposite side. Planar view means viewing the surface of the dial 10 from a direction perpendicular to the surface. The axial direction means the direction of a straight line parallel to the rotation axis of a gear such as an hour wheel. Although the button 55 is shown in FIG. 1 to clearly show its position, the specific shape of the button 55 is as shown in FIG. 2. In addition, the movement contacting part of the button 55 (the part of the button mechanism that receives contact from the outside, the outermost part of the button 55) is provided at a position retracted from the outer case (not shown) to prevent malfunction, and It can consist of a pillow head button that is pressed by an elongated member.

FIG. 2 is a plan view of the movement 2 with the date jumper 6 as the first pressing member and the month jumper 7 as the second pressing member omitted. FIG. 3 is a perspective view of the movement 2 of the timepiece 1. FIG. 2 is a perspective view showing the positional relationship between a plate-like member such as a main plate 4 and a dial plate 10 in the movement 2. FIG. In addition, in FIG. 2, the day jumper 6 and moon phase jumper 7 are omitted to make it easier to understand the positions of the cutting lines O-B-D-E-F, etc., but from FIG. 10 to FIG. The cross-sectional view shows a cross-sectional view of the movement 2 without omitting these parts.

As shown in FIG. 4, the watch 1 in this embodiment has a second base plate 5 disposed on the top side (front side) of a base plate 4 serving as a base frame, and a first pressing member on the second base plate 5. A day jumper 6 and a decorative plate 8 as a decorative member are arranged, and a month jumper 7 as a second holding member is arranged on the day jumper 6, and a dial plate 10 is arranged on the moon age jumper 7. Ru.

As shown in FIG. 2, the movement 2 includes a date intermediate wheel 71 and a date star wheel 63 as a first display wheel, and as shown in FIG. 5, a moon phase wheel 40 as a second display wheel. In FIG. 2, the movement 2 includes a power reserve display cylinder 45 to which a power reserve hand 24 is attached that indicates the amount of winding of the barrel wheel 76, and a power reserve transmission gear 44 that is a component of the power reserve display mechanism. Further, as shown in FIG. 3, the movement 2 includes a decorative plate 8 as a decorative member on the upper surface side of the second main plate 5, and a decorative plate 8 as a first presser member in an area different from the decorative plate 8 when viewed from above. A day jumper 6 and a moon phase jumper 7 as a second holding member are provided. As shown in FIG. 4, the movement 2 includes a main plate 4 serving as a base frame of the movement 2 on the back side of the second main plate 5, and a balance wheel 36 on the back side of the main plate 4.
Further, the date intermediate wheel 71 shown in FIG. 2 rotates together with the hour wheel 70 shown in FIG. The hour hand 13 is attached to the hour wheel 70 and rotates once every 12 hours.

<Nissei Car>
The sun star wheel 63 will be explained. FIG. 7 is a perspective view showing the movement 2 with the date jumper 6 and month jumper 7 removed. FIG. 10 is a cross-sectional view of the movement 2 taken along the O-B-C-D line of FIG. 2. As shown in FIG. The second base plate 5 determines the position of the date star wheel 63 and the date wheel 62. The date star wheel 63 is positioned in the planar direction and the axial direction by having its shaft inserted into the guide hole 5B provided in the second base plate 5 and rotatably attached.
Further, the date star wheel 63 is held down in the axial direction from the upper surface side by the date jumper 6 for positioning. The date wheel 62 is rotatably mounted around a central shaft 75 that is pivotally supported by the second base plate 5, and thereby is positioned in the planar direction and the axial direction.

The teeth of the date wheel 62 mesh with the teeth of the intermediate date wheel 71, and the date wheel 62 is set so that when the intermediate date wheel 71 rotates twice a day, the date wheel 62 rotates once. The date wheel 62 includes a date pawl 62C as shown in FIG. 6, and the date pawl 62C engages with the teeth of the date star wheel 63 to rotate the date star wheel 63 by one tooth per day. This allows the date indicator hand 22 attached to the shaft of the date star wheel 63 to advance by one division per day. As shown in FIGS. 4 and 5, the date jumper 6 is provided with a jump control part 6A, which engages with the teeth of the date star wheel 63 to position the date star wheel 63 in the rotational direction. It can be rotated intermittently throughout the day.

<Moon phase car>
The moon phase wheel 40 will be explained. In FIG. 10, the movement 2 includes a moon phase wheel 40, a moon phase wheel guide seat 54, and a moon phase wheel 52. A lunar wheel guide seat 54 serving as a second display wheel guide seat is positioned by a cylindrical portion 6B formed as a guide portion on the date jumper 6 so as to be coaxial with the sun star wheel 63. The moon wheel 40 is positioned so as to be slidable and rotatable outside the rising portion 54A of the moon wheel guide seat 54. The axial positioning of the lunar wheel 40 is performed by a lunar wheel guide seat 54 and a lunar jumper 7. The shaft 58 of the date star wheel 63 passes through the cylindrical portion 6B on the date jumper 6 and the rising portion 54A of the moon phase wheel guide seat 54, thereby connecting the date star wheel 63, the moon phase wheel guide seat 54, and the moon phase wheel 40. are installed so that they are coaxial. With this configuration, the date wheel 63 and the moon phase wheel 40 are arranged with a gap in the axial direction and can rotate independently of each other. Furthermore, since the date star wheel 63 and the moon phase wheel 40 are configured coaxially, the moon phase wheel 40 and the date indicator hand 22 are made coaxial in the small window 14 of FIG. 22, etc. are arranged at different positions in the axial direction, making it possible to display a three-dimensional display with depth, thereby increasing the decorativeness.

<Moon phase wheel and date wheel>
As shown in FIG. 10, the moon phase wheel 52 is placed on the date wheel 62, and the center shaft 75, which is supported in the guide hole 5C of the second base plate 5, is positioned as a common rotation axis with the date wheel 62. Then, as shown in FIG. 6, the dowel 62B of the date wheel 62 is inserted and attached to the dowel receiving hole 52B. In this way, the moon phase wheel 52 is coaxially and rotatably attached to the date wheel 62.

The moon phase wheel 52 can rotate at the same time as the date wheel 62, and the relative positions of the moon phase wheel 52 and the date wheel 62 in the rotation direction are determined by the dowel 62B and the dowel receiving hole 52B, so the assembly is performed. Since the operator does not need to be aware of the phase difference (difference in rotational position) between the moon phase wheel 52 and the date wheel 62, the operator is also aware of the phase difference between the feeding position of the sun wheel 63 and the feeding position of the moon phase wheel 40. It is possible to assemble it without any trouble. Also, in the past, during the hand installation process during assembly, it was necessary to check the time (feeding time) from when the date hand changed to when other display wheels such as the moon phase changed, but with this configuration, In this embodiment, since the phase difference between the moon phase wheel 52 and the date wheel 62 is fixed, it is possible to eliminate the need to confirm the feeding time of each display wheel, thereby improving manufacturing efficiency. becomes possible.

Furthermore, by changing the position of either the dowel receiving hole 52B of the date wheel 62 and the moon phase wheel 52, the phase difference between the moon phase wheel 52 and the date wheel 62 can be changed. It becomes possible to adjust the feeding positions of the wheel 63 and the moon wheel 40 in the feeding direction. That is, depending on the positions of the dowel 62B and the dowel receiving hole 52B, it becomes easy to adjust the timing of switching the date hand and the timing of switching the moon phase. Furthermore, in this embodiment, the switching of the date hand and the switching of the moon phase are adjusted to the same timing. Incidentally, the axial positioning is performed by combining both the date wheel 62 and the moon phase wheel 52 with the second base plate 5 and the moon phase jumper 7, including gaps.

In addition, the moon phase wheel 52 receives rotational force from the date wheel 62 which is engaged with the date intermediate wheel 71 at the toothed portion 62F through the dowel 62B, and when the date intermediate wheel 71 rotates twice a day, the moon phase rotates. The turning wheel 52 rotates once. As shown in FIG. 6, the moon phase wheel 52 is provided with a moon phase rotation pawl 52C, which engages with the teeth of the moon phase wheel 40 to rotate the moon phase wheel 40 by one tooth per day. It is possible to advance by rotating for one day. One period of the moon phase is approximately 29.5 days, and as shown in FIG. 3, the moon phase wheel 40 has two moon marks 43 every 180 degrees and makes one revolution every 59 days, which is two periods of the moon phase. Further, the moon phase jumper 7 is provided with a jump control portion 7A, which engages with the teeth of the moon phase wheel 40 to position the moon phase wheel 40 in the rotational direction and to enable it to rotate intermittently on a daily basis. As shown in FIG. 6, the date wheel 62 includes a toothed portion 62F that meshes with the intermediate date wheel 71, but the moon phase wheel 52 does not include such a toothed portion. This is because the moon phase wheel 52 is rotated by the rotational force transmitted from the date wheel 62 through the dowels 62B, so that a toothed portion is not necessary. With this configuration, the moon phase wheel 52
It is no longer necessary to mesh with the date intermediate wheel 71, and since there is no need to provide a meshing portion, it is possible to make the moon phase driving wheel 52 thinner. Therefore, it is possible to contribute to making the movement 2 thinner. In the present embodiment, the toothed portion 62F is provided on the date wheel 62, but the toothed portion may be provided on either the date wheel 62 or the moon phase wheel 25.
5 may be provided with a toothed portion, and the toothed portion of the moon phase wheel 25 may mesh with the date intermediate wheel 71. In this embodiment, the toothed portion 62F meshes with the date intermediate wheel 71 as another gear, but it may also be configured to mesh with another gear in the time display wheel train to transmit rotational force. good.

<Main plate, second main plate, day jumper, etc.>
The fixing structure of members such as the base plate 4, second base plate 5, and sun jumper 6 will be explained. FIG. 7 is a perspective view of the movement 2 with the date jumper 6, month jumper 7, and decorative plate 8 removed. FIG. 8 is a plan view of the movement 2 with the second base plate 5 removed. The second base plate 5 is fixed to the base plate 4 by inserting the screw 61 shown in FIG. 7 into a screw insertion hole (not shown) of the second base plate 5 and screwing it into the screw hole 93. Note that the screw hole 93 may be formed by directly cutting a screw hole in the second base plate 5, or may be provided by attaching a separate member having a screw hole to the base plate. In addition, the screw hole 93 serves as a screw hole for attaching the second base plate 5 in this way, and can also be used as a screw hole for attaching other conventional members such as a presser plate to the watch without attaching the second base plate 5. may also be made available for common use. By making the screw holes 93 common in this manner, there is no need to change the design of the base plate 4 depending on whether or not the second base plate 5 is attached, so that specifications can be easily changed.

FIG. 5 is a perspective view of the movement 2 with the moon phase jumper 7 removed. By inserting the screw 51 of FIG. 5 into the screw insertion hole (not shown) of the date jumper 6 and screwing it into the screw hole 91 provided in the second base plate 5 of FIG. It is fixed at 5.

The moon phase jumper 7 is attached to the movement 2 using the screw 41 shown in FIG. 3 and the screw receiving member 68 shown in FIG. As shown in FIG. 10, the screw receiving member 68 is fixed to the second base plate 5 by press-fitting its lower part 68B into a screw receiving hole 5D provided in the second base plate 5. Next, the lunar jumper 7 is positioned in the axial direction by the step portion 68A at the top of the screw receiving member 68 and the screw 41, and is fixed to the screw receiving member 68 by the screw 41. In addition to the parts shown in the cross-sectional view of FIG. 10, screw receiving members 68 are attached at three locations as shown in FIG. The jumper 6 is provided with an insertion hole or a notch.

By inserting the screw 42 shown in FIG. 3 into the screw insertion hole (not shown) of the decorative board 8 and screwing it into the screw hole 90 of the second base plate 5 shown in FIG. Fixed to. As shown in FIG. 13, a dial holder ring 18 (see FIG. 2) is attached to the main plate 4, and a dial 10 is installed on the upper surface side of the dial holder ring 18. An exterior case (not shown) is attached to the dial support ring 18 and the dial 10.

In FIG. 7, on the second main plate 5, there is a date star wheel 63 which is a first display wheel, date correction wheels 64 and 65 for configuring a correction wheel train of the date star wheel 63, a calendar correction wheel 66, A second calendar correction wheel 67 is provided. These gears are positioned in the axial direction by the date jumper 6 and the second base plate 5. Further, the second base plate 5 has a role of guiding the date star wheel 63 and the rotation axis for positioning the corrected wheel train of the date star wheel 63. Further, like the base plate 4 that functions as a base frame, the second base plate 5 only needs to have unevenness for guiding and attaching members such as gears, and members and wheel trains different from those of this embodiment may be attached. Furthermore, by providing the second base plate 5, functions such as a display mechanism can be added to the watch 1 by adding or changing the second base plate 5 without changing the design of the base plate 4, which is relatively easy. It also becomes possible to increase added value in a variety of ways. Further, parts equivalent to those of the main plate 4 can be attached to the second base plate 5, and more various parts can be attached to the second base plate 5 than a general presser plate. In this embodiment, the second base plate 5 is made of a metal material, and screw holes are provided in the second base plate 5, which is a metal material, but the second base plate 5 is not limited to being made of metal. If the base plate is made of resin, the second base plate made of resin may be provided with a separate member attachment hole, and a separate member having a screw hole may be attached to the attachment hole.

<Moon phase correction mechanism>
The moon phase correction mechanism will be explained. FIG. 5 is a perspective view of the movement 2 with the decorative plate 8 and moon phase jumper 7 removed as described above, and FIG. 9 is a bottom view of the second base plate 5 viewed from the back side. 13 is a diagram showing the lunar age correction transmission lever 56, lunar age correction lever 57, and button 55 as the lunar age correction mechanism, and FIG. 14 shows the lunar age correction transmission lever 56 and the lunar age correction lever 57 with the button 55 pressed. 4 is a diagram showing a moon phase wheel 40. FIG.

FIG. 15 is a diagram showing the movement 2 with the date jumper 6 removed, similar to FIG. 2, and shows cutting lines JK, JL, and IC. As shown in Fig. 15, the cutting line J-K includes the button 55, the receiving hole 57B of the moon phase correction lever 57, the screw 51 lever, the screw receiving member 68 (screw 41), the date correction wheel 65, the correction lever seat 94 (Fig. (see Figure 14). Cutting line JL passes through pin 59 (see FIG. 9) and screw 81 (see FIG. 9). The cutting line I-C is transmitted to the second calendar correction wheel 67, the calendar correction wheel 66, the date correction wheels 64 and 65, and passes through the date and star wheel 63. 16 is a sectional view taken along two cutting lines, the front side of the second base plate 5 is a sectional view of the movement 2 along the cutting line JK in FIG. FIG. FIG. 17 is a sectional view of the movement 2 taken along section line I--C in FIG. 15.

As shown in FIG. 13, the moon phase correction mechanism operates the moon phase wheel 40 by engaging and interlocking the moon phase correction transmission lever 56 and the moon phase correction transmission lever 56 for transmitting the force of pressing the button 55 as a pressing member. A moon phase correction lever 57 is provided as a rotation correction lever.

The moon age correction transmission lever 56 includes a transmission lever body plate portion 56E provided parallel to a plane perpendicular to the axial direction, an elastic portion 56A that generates an elastic force, and a button 55 that comes into contact with the button when the button is pressed. It includes a receiving part 56B and an engaging part 56D for engaging with the moon phase correction lever 57. Further, as shown in FIG. 9, the moon age correction transmission lever 56 is rotatably attached to the recess 5E for installation on the back side of the second base plate 5, with the screw 60 serving as the first fixing member as the center of rotation. . Further, in the moon age correction transmission lever 56, the elastic portion 56A is bent toward the screw 60 by the pin 59. In FIG. 9, a counterclockwise rotational force is generated by the elastic force of the elastic portion 56A, and the positioning portion 56C hits the second base plate 5, thereby achieving two-dimensional positioning.

The moon phase correction lever 57 includes a correction lever main body plate portion 57D provided parallel to a plane perpendicular to the axial direction, a receiving hole 57B for engaging with the engagement portion 56D of the moon phase correction transmission lever 56, and a moon phase wheel 40. It is provided with a modification part 57A for contacting the teeth of the tooth, and an insertion hole 57C which will be described later. Further, as shown in FIG. 16, the screw receiving member 68 as a second fixing member near the moon phase correction lever 57 has a stepped portion that is in contact with the moon phase correction lever 57 and serves as a rotation axis of the moon phase correction lever 57. The position in the axial direction is determined by the stepped portion and the moon jumper 7. Further, as shown in FIGS. 16 and 17, the correction lever seat 94 guided by the date jumper 6 positions the moon phase correction lever 57 in the axial direction, and inserts its dowel 94C into the insertion hole 57C of the moon phase correction lever 57. This ensures a gap in the axial direction for operating the moon phase correction lever 57.

A structure for preventing inclination of the moon age correction lever 57 and the moon age correction transmission lever 56 will be explained. As shown in FIG. 16, the transmission lever body plate portion 56E of the moon age correction transmission lever 56, the insertion hole 56F of the screw 60 that is the rotation center provided in the lever body plate portion 56E, and the button 55 are arranged in the axial direction (up and down in FIG. 16). direction) at approximately the same position. Further, the correction lever body plate portion 57D of the moon phase correction lever 57, the insertion hole 57E of the screw receiving member 68 as a rotation center provided in the correction lever body plate portion 57D, the receiving hole 57B, and the moon phase wheel 40 are arranged in the axial direction. They are arranged at approximately the same position in the vertical direction of FIG. 16. An engaging portion 56D for transmitting the force of the moon age correction lever 57 from the moon age correction transmission lever 56 is formed to extend beyond the second base plate 5 toward the receiving hole 57B of the moon age correction lever 57. In this way, when the button 55 is pressed, the axial direction of the lunar age correction transmission lever 56 changes because the lunar age correction transmission lever 56 transmission lever body plate part 56E and the insertion hole 56F, which is the center of rotation thereof, are on the same plane. The generation of the moment is suppressed, and the tilting of the moon phase correction lever 56 is prevented. In addition, since the correction lever body plate portion 57 of the moon phase correction lever 57, the insertion hole 57E which is the rotation center thereof, the receiving hole 57B, and the moon phase wheel 40 are on substantially the same cross section, the button 55 is pressed. At this time, the generation of a moment in the axial direction of the moon phase correction lever 57 can be suppressed. The engaging portion 56D transmits rotational force from the moon age correction transmission lever 56 to the moon age correction lever 57 at a different position in the axial direction. Therefore, even if there is a difference in the axial positions of the button 55 and the moon wheel 40, it is possible to suppress the generation of axial moments in each member when the button 55 is pressed. Therefore, the lunar age correction transmission lever 56 and the lunar age correction lever 57 are prevented from being tilted, and it is possible to prevent malfunctions such as insufficient operation due to the inclination of the members.

The operation of this moon phase correction mechanism will be explained. As shown in FIG. 13, when the button 55 is pressed in the direction of the arrow S by the user, the button 55 presses the receiving part 56B, and rotational force is transmitted to the moon phase correction transmission lever 56, causing it to rotate in the direction of the arrow T. do. Then, due to the engagement between the engaging portion 56D and the receiving hole 57B, the moon age correction lever 57 is rotated in the direction of the arrow U. As shown in FIG. 14, when the moon phase correction lever 57 is rotated in this direction, the correction portion 57A near the tip comes into contact with the gear of the moon phase wheel 40, so that the moon phase wheel 40 rotates by one tooth.

In this way, since the moon phase correction transmission lever 56 and the moon phase correction lever 57 are provided as the moon phase correction mechanism, the display wheels for displaying the date and moon phase (the date star wheel 63 and the moon phase wheel 40) and their rotating wheels (the date and time wheels) are provided. While rotating the turning wheel 62 and the moon phase turning wheel 52) coaxially at the same time, correction of the moon phase can be input independently without being linked to the date display.

Further, when the user stops pressing the button 55, the button 55 is returned to the designated position by a return spring (not shown) formed on the button, and the force applied to the receiving portion 56B is released, and as shown in FIG. The counterclockwise rotational force returns the lunar age correction transmission lever 56 to the degree setting position, and the lunar age correction lever 57, which is interlocked with the lunar age correction transmission lever 56, also returns to its normal position.
Thereby, the number of teeth of the moon phase wheel 40 is corrected according to the number of times the button 55 is pressed. Furthermore, when the button 55 is pressed, the rotation of the moon phase correction transmission lever 56 is restricted by the edge 56E coming into contact with the second base plate 5, so that excessive force is transmitted to the moon phase correction lever 57. Never. In addition, since the number of teeth on the month wheel 40 is configured to be corrected according to the number of times the button 55 is pressed, the number of days to be sent can be adjusted by the number of times the button is pressed. It can be done easily. For example, if the user obtains information on the difference in how many days the moon age on the date to be corrected is different from the new moon or the moon age, the user can change the position of the moon phase wheel 40 to the new moon or full moon when making corrections. In addition, it is possible to press the button while counting the number of days that are different from the current moon phase, and this can be done reliably and without mistakes.

In this embodiment, the lunar age correction mechanism includes two levers, the lunar age correction transmission lever 56 and the lunar age correction lever 57, but it may also be configured with one lever. That is, a lunar phase correction mechanism may be formed by rotatably providing a lunar phase correction lever, and providing one of the lunar phase correction levers with a receiving portion that receives the force from the button and a correction portion that comes into contact with the lunar phase wheel.

<About the first layer correction mechanism>
As shown in FIG. 9, a pinion of the second calendar correction wheel 67 is arranged on the back side of the second base plate 5. A jumper 69 engages with the pinion teeth of the second calendar correction wheel 67, and controls the position of the teeth of the second calendar correction wheel 67 so that the tips of the teeth do not touch each other. This prevents tension when engaged with a calendar correction transmission wheel which is integrated with the small iron wheel 85 of No. 11 and rotates. As shown in FIG. 11, the second calendar correction wheel 67 has a pinion rotatably disposed on the back side of the second calendar correction wheel 67 via the second base plate 5, and a gear rotatably disposed on the front side. In FIG. 9, a calendar correction transmission wheel that is integrated with the small iron wheel 85 and rotates is shown as a hypothetical, and a manner in which the calendar correction transmission wheel that is integrated and rotated with the small iron wheel 85 meshes with the second calendar correction wheel 67 is shown.

In addition, as shown in FIGS. 8 and 11, the layer (first layer) between the main plate 4 and the second main plate 5 is provided with a pusher 81 that interlocks with the winding stem 80, a back holding plate 82, a bolt 83, and a small iron wheel 85. A small iron lever 84 is provided. FIG. 18 is a diagram showing the positional relationship between the oshidori 81 and the bolt 83 in the vicinity of the oshidori 81, with the back pressing plate 82 and the like omitted. FIG. 19 is a diagram showing the oshidori 81 and the small iron lever 84.

As shown in FIG. 8, the winding stem 81 includes a winding stem 81C that engages with the winding stem 80, and swings around the winding shaft 102 when the winding stem 80 is pulled in two steps. In addition, as shown in FIG. 8, the winding stem 80 is pulled and moves because the winding stem 81 is in contact with the winding regulating shaft 81A of the winding regulating shaft 82A of the backing plate 82, and the winding stem 81 swings around the winding shaft 102. At the same time, the winding regulating shaft 81A moves on the winding regulating portion 82A, and at this time, the back pressing plate 82 is elastically deformed, giving the user a click feeling when the winding stem 80 is pulled.

As shown in FIG. 18, the bolt 83 includes a bolt operating portion 83B, a clutch wheel 86 that engages with the clutch wheel 86, and an elastic portion 83C that biases the bolt 83 by a spring force. , is in contact with the bolt operating portion 83B of the bolt 83. When the winding stem 80 is pulled and the locking lever 81 swings, the lower end of the locking lever 81 moves on the bolt operating part 83B, and the bolt 83 swings around the bolt shaft 83A according to the unevenness of the bolt operating part 83B. do.

As shown in FIG. 19, the small iron lever 84 includes a small iron wheel 85, a small iron lever shaft 84B, and a small iron lever operating hole 84A into which the small iron lever operating shaft 81B, which is formed to protrude from the back side of the cage 81, is inserted. When the winding stem 80 moves, the oshidori 81 swings, and as the small iron lever operating shaft 81B moves to the left, the small iron lever 84 swings around the small iron lever shaft 84B according to the shape of the small iron lever operating hole 84A. do.

When the winding stem 80 is pulled one step, the lock 81 swings clockwise in FIG. The clutch wheel 86 moves downward in FIG. 18 by the operating portion 83D, and the clutch wheel 86 and the small iron wheel 85 mesh with each other. At this time, as the small iron wheel 85 is virtually shown in FIG. 9, the small iron wheel 85 and the second calendar correction wheel 67 are in an engaged state, so that when the winding stem 80 engaged with the crown 25 rotates to the left, the rotational force This is transmitted to the stop wheel 86, the small iron wheel 85, the second calendar correction wheel 67, the calendar correction wheel 66, and the date correction wheels 64 and 65, and the date and star wheel 63 rotates. These allow the date indicator hand 22 to be corrected.

Further, when the winding stem 80 is pulled two steps, the small iron lever 84 moves the small iron wheel 85 to the small iron wheel 74 and engages with it, and the bolt 83 moves the ratchet wheel 86 to the small iron wheel 85. Because they mesh, it is possible to correct the time display. In the time adjustment state, the small iron wheel 85 moves toward the date wheel 74, so it is disengaged from the second calendar adjustment wheel 67, and date adjustment is not performed.

In addition, when the winding stem 80 is not pulled, the closing wheel 87 meshes with a circular hole wheel (not shown), and the circular hole wheel rotates to wind the barrel wheel 76, which will be described later.

As shown in FIG. 11, the minute wheel 74 meshes with the cylinder pinion 73 and the hour wheel 70, whose gear rotates once per hour, and decelerates the rotation of the cylinder pinion 73 and transmits it to the hour wheel 70. FIG. 12 is a sectional view of the movement 2 taken along line OG in FIG. As shown in FIG. 12, a power reserve transmission gear 44, which is a component of a power reserve display mechanism that indicates the amount of winding of the barrel wheel 76, is provided between the base plate 4 and the second base plate 5. Furthermore, the power reserve hand 24 shown in FIG. 1 is provided at the tip of the power reserve display cylinder 45. A barrel wheel 76 is provided on the back side of the main plate 4, and the rotation of the barrel wheel 76 is transmitted to the second wheel & pinion 72 which meshes with the gear 76A of the barrel wheel. The mechanism is such that they rotate simultaneously except in the following cases.

<First elastic part and second elastic part>
As shown in FIG. 6, the date wheel 62 includes a first elastic portion 62D. When adjusting the date by operating the crown 25 engaged with the winding stem 80, even if the teeth of the date star wheel 63 come into contact with the date dial pawl 62C, the elastic portion 62D is elastically deformed and the date dial 62 is adjusted. Releases the force that tries to rotate it. Therefore, damage to the date wheel 62 can be prevented.

Moreover, as shown in FIG. 6, the moon phase wheel 52 includes a second elastic portion 52D. When the moon phase wheel 40 is rotated by pressing the button 55 to correct the moon phase, even if the teeth of the moon phase wheel 40 come into contact with the moon phase wheel 52C, the elastic portion 52D is elastically deformed and the moon phase wheel 52 is rotated. Releases the force that tries to rotate it. Therefore, damage to the lunar phase wheel 52 can be prevented. Furthermore, due to these first elastic portions 62D and second elastic portions 52D, the date wheel 62 and the moon phase wheel 52 do not rotate during date adjustment and moon phase adjustment, so that the date wheel 63 and the moon phase wheel do not rotate. 40 can be modified independently without interlocking with each other.

<Partial skeleton part>
The partial skeleton portion 16 in which the back side member of the main plate 4 in FIG. 1 is visible from the front side is a decoration for showing the unique mechanism of the watch to the user. In FIG. 8, the base plate 4 includes a first notch 4A. Further, as shown in FIG. 3, the second base plate 5 includes a second base plate opening 5A that overlaps with the first notch 4A. Furthermore, as shown in FIG. 2, the decorative board 8 attached to the second base plate 5 is provided with a second notch 8A so as to overlap the first notch 4A. Further, as shown in FIG. 1, the dial 10 is provided with an opening 10B that overlaps the first notch 4A. The balance wheel 36 located on the back side of the main plate 4 can be seen from the front side through the first notch 4A, the second main plate opening 5A, and the second notch 8A.

As shown in FIG. 2, in a plan view, inside the opening 10A of the dial 10, the inner periphery of the first notch 4A of the main plate 4 is such that the decorative plate 8 covers at least a part of the main plate 4. At least a portion of the inner periphery of the notch 8A of the decorative plate 8 is located inside the opening 10A of the dial 10.

As shown in FIG. 4, a second bridge 32 to be attached to the main plate 4 is attached to the back side of the main plate 4, and a first bridge 31 is attached below the second bridge 32. Further, a balance cock 33 is attached to the lower part of the second bridge 32. Further, a balance wheel 36 as one of the driving members is attached to the back side of the main plate 4. The balance 36 includes a balance spring 34, a balance wheel 35, and an earthquake-resistant bearing 39 as components. Note that the parts shown on the front side by this partial skeleton part 16 may be parts other than the balance wheel 36, but in order to give a watch-like impression and improve the appearance, members related to hand movement, speed regulation, or escapement are preferable. .

According to this embodiment, the sun wheel 63 and the moon phase wheel 40 are guided coaxially, so that space can be saved in plan view. In addition, by making the date wheel 62 and the moon phase wheel 52 coaxial, it is possible to save a lot of space. Therefore, as shown in Fig. 1, a partial skeleton part 16 is provided at the 9 o'clock position, a small power reserve display window 15 is provided at the 12 o'clock position, and a small display window 15 is provided at the 3 o'clock position. It becomes possible to realize a configuration without providing a window.

In addition, since the second base plate 5 is provided with unevenness for guiding and attaching parts such as gears, more parts can be attached using the strength and unevenness than a simple holding plate, so it is possible to add functions. becomes easier.

The lunar age correction mechanism includes a lunar age correction transmission lever 56 and a lunar age correction lever 57. The lunar age correction transmission lever 56 receives force from the button 55, and the edge 56E facing the second main plate 5 is connected to the second main plate 5. come into contact with Therefore, since the movable range of the moon phase correction transmission lever 56 is restricted, excessive force is not transmitted to the moon phase correction lever 57 that engages with the moon phase correction transmission lever 56, so that the moon phase correction lever 57 and the moon phase wheel 40 damage can be prevented.

<Second embodiment>
FIG. 20 is a diagram showing a schematic configuration of the second embodiment of the present invention. Members and elements having the same functions as those in the first embodiment are denoted by the same reference numerals, and explanations thereof will be omitted. Further, like the first embodiment, although not shown in FIG. 20, the timepiece 1 includes an exterior case, a cover glass, and a back cover. The cover glass is attached to the outer case so as to cover the disc-shaped dial 10. The dial 10 is included in the watch 1 as a display section that displays information to the user.

<Small window for day of day display>
In the second embodiment, as shown in FIG. 20, in addition to the first embodiment, a small window 17 for day display is provided as a third display at the 3 o'clock position on the dial 10. This small window 17 is provided with a display area 27 that divides the outer circumference into seven parts. Although not shown, these display areas display the days of the week from Sunday to Saturday, such as "SU", "MO", "TU", "WE", "TH", "FR", and "SA". It is written to indicate its meaning. The day hand 26 indicates the day of the year by pointing to one of these characters.

<Year wheel>
FIG. 21 is a diagram of the movement 2 with the moon phase jumper 7 removed. FIG. 22 is a perspective view of the movement 2. In FIG. 21, the movement 2 includes a day indicator wheel 112 as a third indicator wheel, and a day indicator wheel 130 as a third turning wheel for rotating the day indicator wheel 112.

FIG. 25 is a sectional view of the movement 2 taken along cutting line MO in FIG. 21. FIG. 23 is a perspective view of the day turning gear 110 and the day turning pawl 111 that constitute the day turning wheel 130, with the shaft 120 added. As shown in FIG. 23, the day wheel 130 is composed of two members: a day turning gear 110 and a day turning pawl 111. The day turning pawl 111 includes a dowel 111B formed to protrude in the direction of the day turning gear 110, a locking portion 111C, a day turning engaging portion 111D, an elastic portion 111E, and a central protrusion 111A. The day turning pawl 111 guides the day turning gear 110 by inserting its central protrusion 111A into the center hole 110A of the day turning gear 110, and inserts the dowel 111B into the dowel receiving hole 110B of the day turning gear 110. Then, by inserting the locking portion 111C into the locking portion receiving hole 110C, it is combined with the day rotating gear 110. The shaft 120 guides the day turning pawl 111 by being inserted into the central hole 111F of the day turning pawl 111. As shown in FIG. 25, the shaft 120 is pivotally supported by the second base plate 5. The day wheel 130 is rotatably positioned with a gap by the day jumper 6 and moon phase jumper 7.

<Yosheisha>
As shown in FIG. 21, the teeth of the day rotation gear 110 of the day rotation wheel 130 mesh with the date rotation intermediate wheel 71, and when the date rotation intermediate wheel 71 rotates, the day rotation gear 110 is inserted into the dowel receiving hole 110B and locked. The date turning pawl 111 is rotated by the part receiving hole 110C pushing the dowel 111B and the locking part 111C of the day turning pawl 111. Further, the intermediate date wheel 71 is decelerated so that it makes one turn in 12 hours, and the day wheel 130 makes one turn in 24 hours. When the day wheel 130 rotates once, the day wheel engaging portion 111D of the day wheel pawl 111 engages with the teeth of the day star wheel 112 and advances the day star wheel 112 by two teeth. The day star wheel 112 has a day hand 26 attached to its shaft, and when the day star wheel 112 advances by two teeth, the day indication advances by one day. Further, as shown in FIG. 21, the jump control portion 6C of the date jumper 6 engages with the teeth of the day star wheel 112 to position the day star wheel 112 in the rotational direction. Therefore, the day star wheel 112 can rotate intermittently every day. Further, as shown in FIG. 26, the jump control portion 6C is positioned with a gap between the jumper 6 and the jumper seat 131.

<Day correction mechanism>
As shown in FIGS. 21 and 25, the day star wheel 112 meshes with the day correction wheel 113. Figure 2
4 is a diagram showing the movement of the calendar correction wheel 66 with the date jumper 6 removed.
As shown in FIG. 24, the calendar correction wheel 66 is guided by the long hole 5F by inserting its shaft 66A into the long hole 5F of the second base plate 5. What is the mechanism of the oshidori etc. when the winding stem 80 of the first layer is pulled? This is similar to the first embodiment shown in FIG. 8, and when the winding stem 80 is pulled out, the gear wheel 86 meshes with the small iron wheel 85, and the small iron wheel 85 (integrated with the calendar correction transmission wheel) is engaged with the second calendar correction wheel 67. Then, when the winding stem 80 is turned clockwise, the second calendar correction wheel 67 is moved through the small iron wheel 85 in a plan view (on the paper of FIG. 24).
As the calendar correction wheel 66 rotates clockwise, the calendar correction wheel 66 moves toward the date correction wheel 65 as shown by the solid line in FIG. Corrections will be made. When the winding stem 80 is turned counterclockwise, the second calendar correction wheel 67 is rotated counterclockwise via the small iron wheel 85 in a plan view. Second calendar correction car 6
7 rotates counterclockwise in a plan view, the calendar correction wheel 66 moves toward the day correction wheel 113 and rotates while meshing with the day correction wheel 113, as shown by the imaginary line in FIG. At this time, the day correction wheel 113 engages with the calendar correction wheel 66 and the day star wheel 112 at the same time, so that the day star wheel rotates clockwise. These operations make it possible to adjust the day of the month.

When the day adjustment wheel 113 is corrected and rotates clockwise, when the day rotation engaging portion 111D of the day rotation pawl 111 of the day rotation wheel 130 comes into contact with the teeth of the day adjustment wheel 113, the elastic portion 111E rotates the day rotation. The pawl 111 is elastically deformed toward the shaft side to release the rotational force from the day wheel 130. Therefore, when the day adjustment wheel 113 is corrected, no force is transmitted from the day adjustment wheel 113 to the day wheel 130 to cause it to rotate in the opposite direction. Therefore, the elastic portion 111E prevents the day adjustment wheel 113 and its meshing members from breaking. Furthermore, the locking portion receiving hole 110C is formed to be large enough to allow movement of the locking portion 111C even if the elastic portion 111E is elastically deformed during day adjustment. In addition, in FIG. 21, the date jumper 6 includes an elastic part 114 that presses the calendar correction wheel 66 from the front side and positions it in the axial direction.

<Mark>
FIG. 27 is a diagram showing a state in which the movement 2 is being assembled and immediately after the date wheel 62 has been assembled. The date wheel 62 needs to be phase-aligned with the intermediate date wheel 71 so that the date star wheel 63 rotates at a desired timing. The date wheel 62 has a mark 62E on its front side. If the date wheel 62 is set so that the mark 62E faces the axis of the intermediate date wheel 71, the position of the mark is displayed in advance so that the desired phase alignment can be achieved. With this mark 62E, the assembly worker can perform phase alignment by simply aligning the position of the mark 62E during assembly work, without having to be strictly conscious of phase alignment. Therefore, assembly work becomes easy. In this embodiment, the mark 62E is used as a mark to direct the axis of the date intermediate wheel 71, but the target to which the mark 62E is directed may be any part that does not move when the movement 2 is driven. The mark 62E may be set so as to direct the user toward the target.

FIG. 28 is a diagram immediately after the day wheel 130 is assembled during assembly of the movement 2. Since the day wheel 130 also needs to rotate the day star wheel 112 at a desired timing, it is necessary to align the phase with the date intermediate wheel 71. In order to achieve this desired phase alignment, the end portion 111G of the day turning pawl 111 is provided as a mark. This end portion 111G is a counterclockwise end portion of the day rotation engaging portion 111D that is visible from above through the locking portion receiving hole 110C of the day rotation gear 110, and the central protrusion of the moon phase wheel 52 is located on the straight line By setting the day turning claw 111 so that the portion 52E is positioned, the phase can be adjusted. By using this end 111G as a mark during setting, the assembly worker can align the phase by simply aligning the position of the end 111G as a mark during assembly work, without having to be strictly conscious of phase alignment. Become. Therefore, assembly work becomes easy. Note that the end portion 111G used as a mark may be displayed as a mark instead of being engraved or printed.

FIG. 29 is a sectional view corresponding to FIG. 10 described above in an embodiment in which the moon phase guide seat 54 is fixed to the date jumper 6. (In other words, this is a diagram corresponding to a cross-sectional view of the movement 2 taken along the O-B-C-D-E cutting line in FIG. 2.) In FIG. 29, the guide portion 6X provided on the date jumper 6 is A hole coaxial with the wheel 63 is formed. The moon phase guide seat 54 includes a rising portion 54A extending toward the back side of the moon phase guide seat 54 and a falling portion 54X. The falling part 54X of the moon phase guide seat 54 fits into this guide portion 6X, whereby the moon phase guide seat 54 is fixed to the date jumper 6. The moon phase wheel 40 is guided by the rising portion 54A so as to be slidable on the moon phase guide seat 54, and is attached coaxially with the sun star wheel 63. In this way, even if the moon phase guide seat 54 is fixed to the date jumper 6 and the moon phase wheel 40 is slidable relative to the moon phase guide seat 54, the date star wheel 63 and the moon phase wheel 40 are separated in the axial direction. It is possible to rotate them individually and coaxially.

FIG. 30 is a sectional view corresponding to FIG. 10 in an embodiment in which the moon phase guide seat 54 rotates together with the moon phase wheel 40. (In other words, this is a diagram corresponding to a cross-sectional view of the movement 2 taken along the O-B-C-D-E cutting line in FIG. 2.) In FIG. 30, the guide portion 6X provided on the date jumper 6 is A hole coaxial with the wheel 63 is formed. The moon phase guide seat 54 includes a cylindrical falling part 54Y with a rising part 54A extending toward the back side. A falling portion 54Y of the moon phase guide seat 54 is guided by the guide portion 6X, and the moon phase guide seat 54 is slidably attached to the date jumper 6. The moon phase wheel 40 is fitted into the rising portion 54A of the moon phase guide seat 54 and is attached coaxially with the sun star wheel 63. The moon phase wheel 40 and the moon phase guide seat 54 are mounted so as not to rotate relative to each other. Regarding the method of fixing the moon phase wheel 40 and the moon phase guide seat 54, for example, they may be welded together so that they rotate together, or they may be fixed together using engagement means such as fixing claws or dowels. It may be made to rotate, or the moon phase wheel 40 and the moon phase guide seat 54 may be integrally molded from the molding stage. In this way, even if the moon phase guide seat 54 is slidably rotatable with the date jumper 6 and the moon phase wheel 40 and the moon phase guide seat 54 rotate together, the date star wheel 63 and the moon phase wheel 40 can be rotated in the axial direction. It is possible to rotate them individually and coaxially in a separate state.

Note that in this embodiment, the date hand changes and the moon phase changes at the same timing. The phase of the switching of the day hand is adjusted so that the timing is shifted from the switching of the day hand and the moon phase. This is because if these three switches are performed at the same time, a large load will be applied to the barrel wheel 76 via the date drive intermediate wheel 71, so it is preferable to avoid this. For example, in the present embodiment, the day hand is set so that it is shifted by one tooth of the date intermediate wheel 71 after the day hand and moon phase are switched. Since the date intermediate wheel 71 has 18 teeth, a shift of one tooth corresponds to a shift of 40 minutes.

According to this embodiment, since the day correction mechanism including the day correction wheel 113 is provided, day correction can be performed independently of the day correction and moon age correction mechanisms.

In this embodiment, the first display wheel is the date star wheel 63, the second display wheel is the moon phase wheel 40, and the third display wheel is the day star wheel 112, but these may be replaced. , other display vehicles may also be used.

The present invention can be applied not only to mechanical watches but also to watches driven by motors. Further, the present invention is not limited to the above-described embodiments, and various changes and additions can be made to the specific configuration within the scope of the gist of the present invention.

DESCRIPTION OF SYMBOLS 1... Clock, 2... Movement, 4... Main plate, 4A... Notch, 4B... Outer edge, 5... Second main plate, 5A... Second main plate opening, 6... Date jumper (first pressing member), 6B... Cylindrical part (guide part), 7... Month jumper (second holding member), 8... Decorative board, 8A... Notch part (second notch part), 8C... Inclined surface, 8D... Extension piece, 10 ... Dial plate, 10A... Opening, 10B... Opening, 16... Partial skeleton part, 36... Balance, 39... Earthquake-resistant bearing, 40... Moon phase wheel (second display wheel), 52 Month phase wheel (second wheel) wheel), 52C... Moon phase turning claw (second turning claw), 52D... Second elastic part, 55... Button (pressing member), 57... Moon phase correction lever (correction lever), 62... Date wheel (first 62C...Date dial (first rotation pawl), 62D...First elastic part, 62E...Marker, 63...Date star wheel (first display wheel).

Claims (4)

a first display vehicle for a first display;
a second display car for a second display;
a first rotating wheel that engages with and rotates the first display wheel;
a second rotating wheel that engages with and rotates the second display wheel;
a first pressing member provided between the first display wheel and the second display wheel;
a second pressing member for pressing the second display wheel from the front side;
Equipped with
The first display wheel and the second display wheel are arranged coaxially,
The first rotating wheel and the second rotating wheel are coaxially arranged ,
The second display wheel is controlled by the first pusher by a guide section provided on the first pusher member.
The first display wheel is guided coaxially between the holding member and the second holding part, and the first display wheel is guided coaxially with the first display wheel.
The display vehicle is placed apart from the display vehicle in the axial direction, and
A timepiece movement , wherein the first display wheel and the second display wheel rotate independently . A second display wheel guide seat is provided on the first pressing member side of the second display wheel, and is provided so as to be slidable on at least one of the first pressing member and the second display wheel,
The first holding member has a cylindrical portion serving as the guide portion that protrudes in the axial direction and is provided in a cylindrical shape coaxially with the first display wheel,
The second display car guide seat is guided coaxially with the first display car by the cylindrical part,
The timepiece movement according to claim 1 , wherein the second display wheel is coaxially attached to the second display wheel guide seat. The second indicator wheel is provided on the first pressing member side of the second indicator wheel so as to be slidable with the second indicator wheel.
Equipped with a second display car guide seat,
The second display car guide seat has a rising part extending toward the second display car side and a raised part extending toward the second display car side, and a raised part extending toward the second display car side, and
It has a falling part extending toward the vehicle indicating side,
The falling part is guided by the guide part,
According to claim 1, the second display wheel is fitted in the rising portion.
clock movement. The second display wheel is provided on the first pressing member side so as to be slidable with the first pressing member.
Equipped with a second display car guide seat that can be
The second display car guide seat has a rising part extending toward the second display car side and a raised part extending toward the second display car side, and a raised part extending toward the second display car side, and
It has a falling part extending toward the vehicle indicating side,
The falling part is guided by the guide part,
2. The second display wheel according to claim 1, wherein the second display wheel is fitted into the rising portion.
clock movement.

Images