JP3338759B2 - Cash register - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a cash register having a printing wheel type printing mechanism as a receipt / journal printer.

[0002]

2. Description of the Related Art Generally, in a cash register (including a POS terminal) of this type, a receipt / journal printer is integrated with a receipt / journal printer in order to print and issue the contents associated with sales registration processing as a receipt or record the receipt on a journal sheet. Many are built-in. Here, as a method of the receipt / journal printer, there are various methods such as a thermal method.
As an example, there is a printing wheel system in which a printing portion is formed by a printing wheel and a hammer. FIG. 3 and FIG. 4 show an example of such a cash register.
Is installed. The apparatus main body 2 includes a keyboard 3 provided with keys and the like necessary for sales registration processing, a display unit 4 for a cashier, and a display unit 5 for a customer. The left and right sides of the display sections 4 and 5 are set as printer mounting sections, and a printing mechanism 6 of a printing wheel type as shown in FIG. 4 is built in as a receipt / journal printer.

The printing mechanism 6 is, for example, a printing wheel 7 which is hollow and made of rubber and has a large number of characters for each digit on the outer peripheral surface, and is built in the printing wheel 7 and independently has a desired type for each digit. And a platen 9 provided on the outer peripheral surface side of the printing wheel 7 facing the hammer 8 to form a printing unit 10. Therefore, the paper transport path 11 is formed so that the roll-shaped receipt paper or journal paper passes through the printing unit 10 between the printing wheel 7 and the platen 9.
Are printed on the paper when the characters are hit by the hammer 8 when passing through. The printing mechanism 6 is configured so that the supply and replenishment of ink required for printing without a ribbon is performed by an ink replenishing roller 12 which contacts the printing wheel 7 and rotates following the rotation. Since such an ink supply roller 12 is a consumable item, the printing mechanism 6
It is provided detachably with respect to the holding part 13 inside. Therefore, in order to facilitate holding and replacement, the ink replenishing roller 12 is prepared, for example, in a state of being rotatably attached to a roller holding arm 15 having a grip portion 14 at the center.

In this type of apparatus, the outer surface of the apparatus is entirely covered by an integrated apparatus housing 16, but the ink supply roller 12 described above is a consumable item for the printing mechanism 6. In addition to the necessity of replacement, roll-shaped receipt paper and journal paper are also consumables and require replacement and replenishment at the time of paper end, so that they can be freely opened and closed by a printing unit cover 17 separate from the apparatus housing 16. Become. The cover surface of the printing unit cover 17 is a front-sloping inclined surface like the other surfaces. In this case, the fulcrum 18 of the printing unit cover 17 is usually set at the lower part on the back side in consideration of opening and closing operability. A handle 19 for opening and closing the printing unit cover 17 is formed so as to protrude outside the side surface. Therefore, when replacing the ink supply roller 12 and paper, the operator (cashier) handles the handle 1.
The printing portion cover 17 is opened by grasping and lifting the nine portions upward, thereby exposing the printing mechanism 6 portion entirely.

Further, the ink supply roller 12 described above
In order to improve the operability of attachment / detachment, the attachment / detachment direction is set obliquely from the near side as shown in FIG. 4 instead of the previous vertical direction. In accordance with this, the printing mechanism 6
A space A is secured between the device housing 16 and the mounting unit wall surface 20. This is because when the ink replenishment roller 12 is replaced, the finger can be sufficiently inserted into the inside of the printer mounting portion in order to grip the grip portion 14 so that the replacement operation for the holding portion 13 can be easily performed. is there.

[0006]

However, according to such a conventional example, a handle 19 for opening and closing the printing unit cover 17 is provided on the side surface, and the force does not act evenly. When the grip 19 is to be opened by grasping, the printing unit cover 17 may be deformed by an excessive force. In the printing mechanism 6 covered by the printing unit cover 17, the holding unit 1
The left and right internal frame structures such as 3 are made of sheet metal,
Since the burrs remain on the end surface, the fingertip moving while gripping the handle 19 passes near the sheet metal portion, and may be injured by rubbing the sheet metal or the like.

Although it is preferable to attach and detach the ink supply roller 12 in an oblique direction in order to improve operability, it is necessary to secure a considerably large interval A between the printing mechanism 6 and the mounting section wall surface 20. However, the size in the front-rear direction is increased, which hinders downsizing as a whole.

Therefore, the present invention is required to prevent the deformation of the printing unit cover and the injury of the finger when opening and closing the printing unit cover, and to operate the ink supply roller in the oblique direction with good operability. It is an object to provide a cash register that does not require the above space.

[0009]

According to the present invention, there is provided a printing unit having a printing wheel and a hammer, wherein ink is supplied to an outer peripheral surface of the printing wheel by an ink replenishing roller and the printing unit conveys ink to a sheet conveyed through the printing unit. A cash register including a printing mechanism for printing the type of characters hit by the hammer, and a printing unit cover that is provided to be openable and closable about the back side of the apparatus housing and covers the printing mechanism. In the machine, the ink supply roller is provided detachably in the oblique direction from the vicinity of the leading end of the printing unit cover with respect to the printing wheel. A concave portion forming an operation space for the printing unit cover and the ink supply roller was formed.

Therefore, a recess is formed in a part of the apparatus housing at a position nearer to the front end of the printing unit cover.
With respect to the printing unit cover, the tip corresponding to the concave portion can be gripped by a finger as a handle, and becomes an operation space for opening and closing the printing unit cover. In this case, since the printing unit cover is not located on the side surface of the printing unit cover, the printing unit cover is not deformed at the time of opening / closing operation, and the finger is not injured by the internal frame sheet metal or the like. When the ink supply roller is attached or detached in an oblique direction, the concave portion formed in the apparatus housing expands a path through which a finger enters, and forms a part of an operation space for attaching / detaching the ink supply roller. The distance between the printing mechanism and the wall of the mounting portion can be reduced.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. 3 and 4 are denoted by the same reference numerals, and description thereof is omitted. First, in the present embodiment, the handle 19 in the printing unit cover 17 is omitted. A concave portion 2 cut out toward the mounting unit wall surface 20 is provided at a boundary portion that is a part of the device housing 16 and that corresponds to the front side of the printing unit cover 17.
1 is formed. The recess 21 is provided in the printing unit cover 17.
Of the print unit cover 17 corresponding to the recess 21 as a result of the opening / closing handle 2.
2 are formed. The position of the concave portion 21 in the left-right direction is a position corresponding to the holding position of the holding portion 14 in relation to the ink supply roller 12.

In such a configuration, when the printing unit cover 17 is opened for exchanging the paper, replacing the ink supply roller 12, or the like, a finger is inserted into the concave portion 21 and the handle portion 22 is inserted.
And lifting the print unit cover 17 upward. In other words, the printing unit cover 17 itself does not originally have a handle portion structure, but the tip corresponding to the concave portion 21 formed in the apparatus housing 16 can be gripped by a finger as the handle portion 22. It can be used as an operation space for opening and closing the cover 17. In this case, since the operation is performed not at the side of the printing unit cover but at the center in the left-right direction, the printing unit cover 17 is not deformed at the time of opening / closing operation. Fingers are not injured because they cannot pass by. In addition, since there is no protrusion on the side of the printing unit cover 17, the appearance is improved. When replacing the ink replenishing roller 12, the concave portion 21 formed at a position corresponding to the gripping position of the gripping portion 14 immediately adjacent to the mounting / removing position when the ink replenishing roller 12 is mounted / removed diagonally widens the path through which the finger enters. become. That is, since the concave portion 21 forms a part of the operation space for the attachment / detachment operation of the ink supply roller 12, the interval B between the printing mechanism 6 and the wall surface 20 of the mounting portion can be reduced to the minimum dimension. As a result, this is advantageous in reducing the size of the entire apparatus.

In this embodiment, as a printing wheel type printing mechanism 6, a hammer 8 is located on the inner side of the printing wheel 7 and a printing section is provided between the printing wheel 7 corresponding to the hammer 8 and the platen 9. Although the description has been made of the structure in which the number 10 is formed, the present invention is not limited to this. For example, a printing portion is formed by a combination of a printing wheel made of a rigid body and also serving as a platen and a hammer facing the printing wheel on the outer peripheral surface side. It may have a structure.

[0014]

According to the present invention, there is provided a printing section having a printing wheel and a hammer, wherein ink is supplied to an outer peripheral surface of the printing wheel by an ink supply roller and the hammer is applied to a sheet conveyed through the printing section. A cash register provided with a printing mechanism that prints the character type of the place struck by, and a printing unit cover that is provided to be openable and closable with the back side of the apparatus housing as a fulcrum and covers the printing mechanism. An ink replenishing roller is provided detachably with respect to the printing wheel in the oblique direction from the vicinity of the leading end of the printing unit cover, and the printing unit cover and Since the concave portion forming the operation space for the ink supply roller is formed, the leading end corresponding to the concave portion can be grasped by a finger as a handle for the printing portion cover, and the operation for opening and closing the printing portion cover can be performed. It can be used as a space, and the handle is not located on the side of the printing unit cover.Therefore, the printing unit cover will not be deformed during opening and closing operations, and there will be no injuries to fingers due to the inner frame sheet metal. With regard to the printing mechanism, since the concave portion formed in the apparatus housing when attaching and detaching in an oblique direction expands a path into which a finger enters, and forms a part of an operation space for attaching and detaching an ink supply roller, the printing mechanism and The distance from the mounting portion wall surface can be reduced, and the operability of attaching and detaching the ink supply roller can be maintained without hindering downsizing of the entire device.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view showing one embodiment of the present invention.

FIG. 2 is an external perspective view schematically showing the entire configuration.

FIG. 3 is an external perspective view schematically showing the entire configuration of a conventional example.

FIG. 4 is a schematic sectional view showing a part of the internal structure.

[Explanation of symbols]

 Reference Signs List 6 printing mechanism 7 printing wheel 8 hammer 10 printing section 12 ink supply roller 16 device housing 17 printing section cover 18 fulcrum 21 recess

Claims (1)

(57) [Claims] 1. A printing section having a printing wheel and a hammer, wherein ink is supplied to an outer peripheral surface of the printing wheel by an ink supply roller, and the paper conveyed through the printing section is hit by the hammer. A cash register provided with a printing mechanism for printing the type of a part and a printing unit cover that is provided to be openable and closable with the back side of the apparatus housing as a fulcrum and covers the printing mechanism; The printing unit cover and the ink replenishing roller are provided on the printing wheel so as to be removably provided obliquely from the vicinity of the front end of the printing unit cover in the oblique direction. A cash register having a concave portion forming an operation space for use.