JPH0315910B2 - - Google Patents

Description

[Detailed description of the invention] 【Technical field】

The present invention relates to a chair-type pine surgery machine, particularly to a pine surgery machine in which a footrest is connected to the seat.

[Background technology]

In chair-type pine surgery machines, an independent footrest called an ottoman is often used in conjunction with the chair to allow the patient to receive pine surgery in the most comfortable position possible. For this,
Japanese Patent Laid-Open No. 60-210260 proposes connecting this footrest to the front end of the seat of the chair. By the way, when connecting a footrest to the front end of the seat of a chair, if the footrest is fixed, space becomes a problem when not in use, and the footrest may be adjusted depending on the user's physique and preferences. Since the position of the footrest cannot be changed, even with the method shown in the above publication, the footrest can be rotated relative to the chair and fixed at any angle, and the inclination angle of the top surface of the footrest can be varied. This is what is being done. However, when making the footrest rotatable, the following problems remain. In other words, it is preferable that the front and back length of the footrest, or the length from the front end of the chair to the front end of the footrest, be as long as possible from the standpoint of supporting the feet. In a device with a built-in treatment means, it is preferable that the treatment device be as long as possible in order to enable the treatment range to be as wide as possible, that is, to be able to treat from the thigh to the calf. If the length is too long, it will not be possible to store the footrest in a state where it hangs vertically downward from the front edge of the seat. You will have to take the trouble of folding it downwards. In order to be able to store the footrest without this kind of effort, the length of the footrest must be shortened, and in this type of chair, the seat Since the height is set low, it is necessary to make it even shorter. On the other hand, in order to improve the convenience of storing the footrest, it is conceivable to make the footrest slidable back and forth with respect to the chair. This allows the footrest to be slid backwards and pulled under the seat. However, in this case, since the angle of inclination of the top surface of the footrest cannot be adjusted, the user can only keep his/her knees in a stretched position, which poses a problem in that the knees tend to get tired easily.

[Purpose of the invention]

The present invention has been made in view of these points, and its purpose is to provide a pine surge machine that allows the footrest to be placed in a comfortable position and also allows the footrest to be easily stored. It is on offer.

[Disclosure of the invention]

Therefore, the present invention is a pine surgery machine in which a footrest whose upper surface is a footrest is connected to the seat of a chair which is equipped with treatment means at least on the back,
A first connecting member that allows the footrest to be freely rotated and fixed at an arbitrary angle relative to the chair, and a second connecting member that allows the footrest to be slid back and forth relative to the chair, The chair and the footrest are connected by mutually independent connecting members,
By making the footrest rotatable and fixable at any angle, the angle of inclination of the top footrest surface can be varied, and by making it slidable, the footrest can be adjusted in a wider range of positions and is easier to store. The aim is to improve The present invention will be described in detail below based on the illustrated embodiments. In the figure, 1 is a footrest whose upper surface is a footrest surface;
2 is a chair to which this footrest 1 is connected;
And the chair 2 here has its backrest 21
The seat frame has a built-in treatment means (not shown) that is movable in the vertical direction of the backrest 21, and is made up of a pair of leg frames 23 and a pipe installed between both leg frames 23. 24, a frame is formed by a backrest frame 25 connected to the seat frame 24 so as to be reclinable, and a seat cushion 26 is placed on the seat frame 24 to form the seat 20. In the figure, 27 is a control device for the treatment means in the backrest 21, and 28 is a seat cushion 26.
A pocket provided on the side of the control device 27
can be stored in this pocket 28. Now, the footrest 1 has a built-in vibrating pine surge device that vibrates the foot placed on the upper footrest, and as shown in FIGS. It is composed of an annular cushion part 13 arranged on the upper surface around the base plate 12, and a cloth cover 15 covering the upper surface.
A vibrator 3 is constructed by attaching eccentric weights 31 to output shafts protruding from both ends of the vibrator 3, and a cushion body 3 is fixed to the lower surface of the vibrator 3 and a cushion body 3 is attached to the upper surface of the vibrator 3.
The vibration plate 32 with the vibration exciter 3 on the bottom surface is supported in a floating state by a plurality of vibration-isolating coil springs 14 at the center of the substrate 12. The diaphragm 32 is surrounded by an annular cushion portion 13. The cover 15 covers both the cushion portion 13 and the cushion body 33. Both the annular cushion portion 13 with a hollow center and the cushion body 33 are composed of a relatively hard lower layer and a soft upper layer. The rear end of the footrest 1 configured in this way is connected to the front end of the seat 20 of the chair 2, but here, the footrest 1 is not directly connected to the chair 2. They are connected via a guide member 4. The guide member 4 here is rotatable relative to the chair 2, and the footrest 1 is slidably attached to the guide member 4. That is, the seat frame 2 of the seat 20 of the chair 2
Fixing plates 40, 40 are welded to the front part of the guide plate 4, and a fixing plate 43 is screwed to one of the fixing plates 40, and the guide is made of pipes so that the planar shape is H-shaped. By connecting the rear end of one of the side pieces 41, 41 of the member 4 and the fixing plate 40 with a pin 45, and connecting the other side piece 41 and the fixing plate material 43 with a center pin 50, The guide member 4 is rotatable relative to the chair 2. A brake mechanism 5 is provided at the connecting portion between the fixed plate 43 and the guide member 4 so that the guide member 4 can be fixed at any angle. As shown in FIG. 4, this includes a hollow center pin 50 that is welded to the rear end of the guide member 4, protrudes outward, and passes through the fixing plate 43, and a nut that is screwed into the tip of the center pin 50. Brake knob 54 with 55 inserted, brake knob 54
It consists of a plurality of brake pads 53 arranged between a holding plate 58 pressed by the brake pads 58 and the fixed plate material 43, and a movable guide plate 51 and a fixed guide plate 52 arranged alternately between each brake pad 53. , the center pin 50 is the presser plate 58
brake pads 53 and both guide plates 51,
52 and protruding from the guide member 4 passes through the holding plate 58 and the movable side guide plate 51, and a pin 57 protruding from the fixed plate 40 passes through the fixed side guide plate 52. The guide member 4 rotates around the center pin 50 and the pin 42, and the brake knob 5
4, the guide member 4 is fixed to the chair 2 at an arbitrary angle due to the frictional force generated between each brake pad 53 and the guide plates 51, 52. Further, the brake knob 54 here has a switch button 72 for a switch (not shown) for the vibrator 3 of the footrest 1 housed in the center. An operating rod 7 is housed between the brake knob 54 and the center pin 50, and has one end facing a switch housed in a switch cover 71 fixed to the inner surface of the guide member 4.
The switch button 72 is attached to the other end of 3, and when the switch button 72 is pushed in, the operating rod 73
The switch is driven via the Next, the attachment member 6 that connects the footrest 1 to the guide member 4 will be explained. A pair of mounting members 6, 6 disposed on the lower surface of the footrest 1 and engaged with each side piece 41, 41 of the guide member 4 are attached to the footrest 1, as shown in FIGS. 5 and 6. A mounting plate 60 having a U-shaped cross section and having both side edges fixed to the lower surface of the table 1 with screws;
It consists of a sleeve 62 that is held by the mounting plate 60 and slidably fits into the side piece 41 of the guide member 4, and a pair of rings 67, 67 that position the sleeve 62 with respect to the mounting plate 60 and provide vibration isolation. There is. In the figure, reference numeral 44 denotes a cap that is fixed to the end opening of the side piece of the guide member 4 to prevent the attachment member 6 from coming off. The sleeve 62, which is made of synthetic resin and has a cylindrical shape, has an annular rib 63 on its outer peripheral surface at its axial center, and an engaging rib 64 extending in the axial direction from the rib 63. An elastic piece 65 which is provided with elasticity by being provided with several slits and is divided into a plurality of pieces is integrally provided on one end side, and one of the plurality of elastic pieces 65 A hook 66 that protrudes toward the inner peripheral surface is provided at the tip. A ring 67 placed over the outer periphery of the sleeve 62
The sleeve 62 is made of elastic rubber and has an axially long groove 68 on the inner circumferential surface and an axially long rib 69 on the outer circumferential surface.
With the engagement rib 64 engaged with the groove 68,
Both rings 67, 67 are attached to the sleeve 62 so as to sandwich the rib 63 therebetween. Both rings 67, 67 are attached to the elongated holes 6 provided in the mounting plate 60.
1 by engaging the rib 69, and by both rings 67, 67,
The sleeve 62 is designed to prevent rotation and axial movement. As is clear from the above, the mounting member 6 allows the sleeve 62 to function as a thrust bearing and allows the footrest 1 to slide freely relative to the guide member 4. The sleeves 67, 67 cover only the center portion of the entire length of the sleeve 62, excluding both ends, so that a gap is created between both ends of the sleeve 62 and the mounting plate 60. In other words,
The elastic piece 65 formed at the end of the sleeve 62 is prevented from bending in the outer circumferential direction. A hook 6 provided on this elastic piece 65
6 at both ends of the slide area of the footrest 1 by engaging with annular grooves 42 formed on the outer peripheral surface of both ends of the side pieces 41 of the guide member 4.
It gives a click. The presence of the hook 66 that elastically contacts the guide member 4 allows the guide member 4 and the sleeve 66 to
This eliminates rattling between the sleeve 6 and the
To prevent "chattering noise" from occurring between the guide member 2 and the guide member 4. The presence of the rings 67, 67, which are made of elastic rubber and are interposed between the footrest 1 and the guide member 4, allows the vibrations of the vibrating pine surger provided on the footrest 1 to be transmitted to the guide member 4. Ya chair 2
Furthermore, even if there is axial vibration between the guide member 4 and the mounting plate 60, this is absorbed so that the footrest 1 can slide smoothly. In this pine surge machine configured as described above, the upper surface of the sheet 20 and the upper surface of the footrest 1, which are shown by solid lines in FIGS. 2 and 3, are almost the same surface, and the footrest is The footrest 1 can be placed in a separate state, and by sliding the footrest 1 with respect to the guide member 4, the footrest 1 can be moved to a position where the footrest 1 is continuous with the front end of the seat 20. In this state, if the brake knob 54 is loosened and the guide member 4 is rotated until it hangs downward, a footrest can be placed below the front end of the seat 20, as shown by the chain line in FIG. 1 can be stored. Further, the upper surface of the footrest 1 can be set to an arbitrary inclination angle by the brake mechanism 5, and the distance from the front end of the seat 20 to the footrest 1 at this time can also be adjusted to Since the footrest 1 can be set by sliding it, the user can take a posture according to his/her physique and preference, and the footrest 1 here has a vibrating pine surger Since it is built-in, it is possible to obtain vibrating pine surges to the thighs or calves. Furthermore, by stretching the connecting sheet 16 between the footrest 1 and the seat 20, there is no space between the footrest 1 and the seat 16 even when the footrest 1 is pulled forward. It's becoming fleeting. In the illustrated example, the rotation range of the guide member 4 is approximately 90 degrees, and the footrest 1 hangs downward from the front end of the seat 20 during storage. Footrest 1
It may also be possible to rotate and store it. FIG. 7 shows another embodiment. A mounting member 6 is fixed to the lower surface of the seat frame 24 of the chair 2, and a guide member 4 is attached to the mounting member 6 so as to be slidable back and forth, and the footrest 1 can be freely rotated on the guide member 4. The one attached to it is shown.
In this embodiment, the footrest 1 can be stored under the seat 20, so when the footrest 1 is not in use, it does not get in the way and is easy to use as a normal chair. It's summery. Note that the mounting member 6 and the rotational connection portion between the guide member 4 and the footrest 1 are the same as those in the above embodiment.

【Effect of the invention】

As described above, in the present invention, since the footrest is rotatable, the user can adjust the inclination angle of the top surface of the footrest according to his/her physique and preference. Since the foot rest can be slid freely relative to the chair, the user can set the foot rest in the position of his/her preference. Even if the footrest is long, this length can be shortened by sliding the footrest, making storage easier.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of one embodiment of the present invention, FIG. 2 is a left side view of the same, FIG. 3 is a broken right side view of the same, FIG. 4 is a broken plan view of the same, and FIG. 6 is an exploded perspective view of the same mounting member as above, and FIG. 7 is a broken right side view of another embodiment, in which 1 is a footrest, 2 is a chair, 4 is a guide member, and 5 is a broken bottom view. 6 is a brake mechanism, 6 is a mounting member, 42 is a groove, 60 is a mounting plate, 62 is a sleeve, 66 is a hook, and 67 is a ring as an elastic body.

Claims (1)

[Scope of Claims] 1. A pine surgery machine in which a footrest whose upper surface serves as a footrest is connected to the seat of a chair that is equipped with treatment means at least on the back, and the footrest is connected to the seat of a chair that is equipped with treatment means at least on the back. The first part is rotatable and can be fixed at any angle.
and a second connecting member that allows the footrest to slide forward and backward with respect to the chair, and the chair and the footrest are connected by both mutually independent connecting members. Pine surge machine. 2. The footrest has a built-in treatment means such as vibrating pine surge, and has a guide member attached to the front end of the seat of the chair so as to be rotatable and fixable at any angle, and a footrest. The pine surge according to claim 1, wherein the pine surge is connected to the chair by a mounting member that is fixed to the platform and slidably engages with the guide member via an elastic body. Machine. 3. The mounting member consists of a mounting plate fixed to the footrest, a sleeve held by the mounting plate and slidably fitted to the guide member, and an elastic body interposed between the mounting plate and the sleeve, 3. The pine surgery machine according to claim 2, wherein the sleeve has a hook on its inner circumferential surface that can be elastically engaged with a groove formed on the outer circumferential surface of the guide member.