JP5057098B2 - Printer roll paper set structure - Google Patents

Description

  The present invention relates to a structure for setting roll paper in a printer. More specifically, in a printer mounted on a drawer that can be pulled out and stored in a housing such as an electronic cash register, the drawer is pulled out of the housing and rolled paper is removed. When setting, the front end of the roll paper is easily handled.

  An outline of a self-POS 81 such as a super store will be described with reference to FIG. A receipt discharge port 83 is provided on the front surface of the receipt printer 82, and the front portion of the receipt discharge port 83 is a barcode scan area 84.

  Because it is self-operated, customers who have not received training touch the receipt with their fingers. Since the barcode scan area 84 is arranged in front of the receipt discharge port 83, the product or the customer's finger becomes an obstacle to the receipt discharge and easily causes a paper jam.

  The stoppage of the printer due to a paper jam can only be dealt with by a trained salesperson level. Therefore, the receipt printer 82 equipped with the self-POS 81 needs to prevent paper jams from occurring during normal operation.

  As a first conventional technique, a paper set structure of a printer will be described with reference to FIGS.

  FIG. 7 is a perspective view of a state in which the drawer 22 is installed in the housing 21 such as an electronic cash register or the like so that the drawer can be stored and the printer 24 mounted on the drawer 22 is pulled out from the housing 21 as viewed from the front. . FIG. 8 is a perspective view showing a state in which the leading end portion of the roll paper 31 attached to the printer 24 is inserted through the front surface portion 23 of the drawer 22.

  As shown in FIG. 8, a front wall 23 a is provided on the upper portion of the front surface portion 23 of the drawer 22. A discharge port 23b for inserting the roll paper 31 is formed below the front wall 23a.

  A method for mounting the roll paper 31 to the printer 24 will be described.

  First, as shown in FIG. 7, the printer 24 is pulled out together with the drawer 22 from the housing 21 in the direction of a straight arrow.

  Next, the mechanism mounting device 25 on which the printing mechanism, the cutter unit, the transport mechanism of the roll paper 31 and the like are mounted is rotated 90 ° rightward in the direction of the arrow about the shaft 27 of the base 26 of the printer 24.

  Subsequently, the roll paper 31 is mounted on the roll paper mounting mechanism on the base 26 in the direction of the arrow.

  Further, as shown in FIG. 8, the leading end portion of the roll paper 31 is inserted into the discharge port 23b.

  As a second conventional technique, the main points of the merchandise sales data processing apparatus will be described with reference to publications distributed before the present application (for example, see Patent Document 1).

  A paper storage portion is formed below the keyboard in the main body case, and a receipt paper wound in a roll shape is stored in the paper storage portion. In addition, a discharge port for issuing a receipt cut after product data or the like is printed on the receipt paper is formed below the keyboard.

  By rotating the keyboard upward, the upper part of the paper storage unit is opened. Since the transport roller, the print head, and the cutter move upward together with the keyboard, the receipt paper can be easily replaced.

  As a conventional third technique, the main points of the merchandise sales registration data processing apparatus will be described with reference to publications distributed before the present application (see, for example, Patent Document 2).

  In a product sales registration data processing device that has a built-in printer and covers a plurality of lid members covering the opening of the top cover located above the printer, the lid members can be folded together. A receipt opening is provided on one lid member.

  As a conventional fourth technique, the main points of the roll paper holding structure will be described with reference to publications distributed before the present application (see, for example, Patent Document 3).

  After the roll paper is inserted into the holding rib of the roll paper cover, the roll paper is fed by the paper feed mechanism section, passes through the printing section, and is discharged out of the case.

Japanese Patent Laid-Open No. 6-111129 JP-A-6-348955 Japanese Utility Model Publication No. 5-95746

  In the first conventional technique, it is complicated to insert the roll paper into the narrow discharge port formed on the lower side of the front wall.

  Further, even in the conventional second to fourth techniques, it is complicated to insert the roll paper into the narrow discharge port.

  Accordingly, the present invention aims to improve the drawbacks of the above-mentioned conventional techniques so that the leading edge of the roll paper can be easily inserted through the front surface of the drawer.

  The present invention employs the following means in order to solve the above problems. In addition, the code | symbol attached | subjected to the member site | part of an Example is entered after the structure of this invention.

  1. The printer 4 is mounted on a drawer 2 that can be pulled out and housed in the housing 1, a cover 8 is installed on the housing 1, and a notch 3 a is formed on the upper periphery of the front surface portion 3 of the drawer 2. When the drawer 2 is pulled out from the housing 1, the cover 8 opens the notch 3 a, and the leading end of the roll paper 11 can be inserted into the notch 3 a from above. After setting in the printer 4, the cutout portion 3 a is covered with the cover 8, and the roll paper setting structure of the printer.

  2. 2. The roll paper set structure for a printer according to claim 1, wherein the cover 8 is rotatably installed on the front surface of the housing 1.

  3. The cover 8 is raised when the drawer 2 is pulled out of the housing 1 by the operation member 2 a provided on the drawer 2, and is lowered when the drawer 2 is stored in the housing 1. The roll paper set structure of the printer described.

  4). The roll paper set structure for a printer according to 1 above, wherein a reservoir 8a is formed inside the cover 8 when the paper jam of the roll paper 11 occurs.

  As is apparent from the description of the specification, the present invention has the following effects.

  1. A cover is installed on the housing, and a notch is formed on the upper peripheral edge of the front part of the drawer. When the drawer is pulled out from the housing, the cover opens the notch and the leading edge of the roll paper from above to the notch It can be easily inserted, and after the roll paper is set in the printer, the notch is covered with a cover, which is convenient. Moreover, since the intended purpose can be achieved by remodeling to the extent that a cover is added, the increase in the number of parts is slight.

  2. Since the cover is rotatably installed on the front surface of the housing, the structure is simple.

  3. The cover is raised when the drawer is pulled out of the housing by the operation member provided on the drawer, and is lowered when the drawer is stored in the housing, so that the cover can be easily moved.

  4). Since a reservoir when a paper jam occurs on the roll paper is formed inside the cover, a slight paper jam can be allowed, which is advantageous in handling an electronic cash register or the like.

  An embodiment of the roll paper set structure of the printer of the present invention will be described.

  The roll paper set structure of the printer according to the first embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 is a perspective view of a state in which a cover 8 covers a front surface portion 3 of a drawer 2 installed on the front surface side of a housing 1 such as an electronic cash register, as viewed from the front. FIG. 2 is a perspective view of the printer 4 mounted on the drawer 2 pulled out from the housing 1. However, the state where the cover 8 opens the notch 3a of the front surface 3 of the drawer 2 is shown. FIG. 3 is the same as FIG. 2, but shows a state in which the mechanism mounting device 5 stands and the roll paper 11 is mounted on the base 6.

  As shown in FIG. 1, the notch 3 a formed on the upper peripheral edge of the front surface portion 3 of the drawer 2 is covered with a cover 8. In the state of FIG. 4, the cover 8 has an inclination of about 10 ° with respect to the vertical line, similar to the inclination of the front surface portion 3. Further, the cover 8 has an inclination of about 110 ° with respect to the vertical line in the state of FIG. The cover 8 is supported on the housing 1 by a shaft 9 (refer to the state when the roll paper 11 is replaced as shown in FIG. 5) so as to be rotatable about 100 °.

  When the printer 4 is in use (the state shown in FIGS. 1 and 4), the substantially trapezoidal operation member 8 a provided on the cover 8 is inserted into the groove 3 b provided on one end side of the front surface portion 3 of the drawer 2. Has been. When the finger 2 is pulled out of the housing 1 by placing a finger on the finger hook 3c formed at the lower part of the front surface portion 3 of the drawer 2, the upper surface portion 2a on one end side of the drawer 2 pushes up the operating member 8a. Rotates about 100 ° about the axis 9, resulting in the state of FIG. 2.

  As shown in FIGS. 2 and 3, the printer 4 includes a mechanism mounting device 5 on which a part of a printing mechanism, a part of a cutter unit, a part of a paper transport mechanism, and the like are mounted, and various mechanisms. It comprises a base 6 that supports the device 5 by a shaft 7 so that it can rotate 90 ° right.

  In the state of FIG. 2, when the mechanism mounting device 5 is rotated 90 degrees to the right to stand up, the state of FIG. 3 is reached. In this state, the cutout portion 3a of the front surface portion 3 of the drawer 2 is open.

  Therefore, in the state of FIG. 3, the leading end portion of the roll paper 11 can be easily inserted into the cutout portion 3a from above.

  Since the reservoir 8b when the paper jam of the roll paper 11 occurs is formed inside the cover 8, a slight paper jam can be allowed, which is convenient in handling an electronic cash register or the like. .

It is the perspective view which looked at the state where the cover had covered the notch part of the front part of the drawer installed in the front side of the housing concerning the roll paper set structure of the printer of Example 1 of the present invention from the front. It is a perspective view of the printer mounted on the drawer pulled out from the housing. However, it is a perspective view which shows the state which the cover opened the notch. FIG. 3 is a perspective view similar to FIG. 2, but showing the state in which the various mechanism mounting apparatuses of the printer stand up and the roll paper is mounted on the base. It is sectional drawing seen from the side which shows the state (use condition of a printer) in which the cover has covered the front part of the drawer. It is sectional drawing seen from the side which shows the state (state at the time of replacement | exchange of roll paper) where the drawer was pulled out from the housing. It is sectional drawing which shows the outline of self POSs, such as a super store. FIG. 7 is a perspective view of a state in which a drawer is installed in a housing such as an electronic cash register or the like of the first conventional technology so that the drawer can be stored and the printer mounted in the drawer is pulled out from the housing. . FIG. 4 is a perspective view showing a state in which a front end portion of roll paper mounted on the printer is inserted through a front surface portion of the drawer.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Housing 2 Drawer 2a Upper surface part 3 Front surface part 3a Notch part 3b Groove 3c Finger hook 4 Printer 5 Various mechanism mounting apparatuses 6 Base 7 Axis 8 Cover 8a Operation member 8b Reservoir part 9 Axis 11 Roll paper

Claims (4)

The printer is mounted on a drawer that can be pulled out and stored in the housing,
A cover is installed on the housing;
A notch is formed on the upper periphery of the front portion of the drawer,
When the drawer is pulled out from the housing, the cover opens the notch,
The tip of the roll paper can be inserted into the notch from above,
After the roll paper is set in the printer, the cutout portion is covered with the cover.   2. The roll paper set structure for a printer according to claim 1, wherein the cover is rotatably installed on a front surface of the housing.   The cover is raised when the drawer is pulled out from the housing by an operation member provided in the drawer, and is lowered when the drawer is stored in the housing. Printer roll paper set structure.   2. The roll paper set structure for a printer according to claim 1, wherein a reservoir is formed inside the cover when the paper jam of the roll paper occurs.

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