JP2698965B2 - Printer Desk Paper Feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for placing printer paper on a shelf below a top plate of a printer desk and easily feeding the paper to a printer on the top plate.

[0002]

2. Description of the Related Art For example, paper for a printer placed on a desk is usually formed by folding a long continuous paper in a zigzag form on a shelf plate below a top plate of a desk, and placing the block at the rear of the top plate. The paper is continuously fed to the printer on the top plate.

As such a paper feeder, Japanese Utility Model Application Laid-Open No.
Japanese Patent Publication No. 18029 discloses a method in which a frame having a rectangular frame shape and having both side frame rods bendable near a rear portion is provided below a desk top plate so as to be movable back and forth, a paper block is placed, and the frame body is moved forward. After locking the end of the paper into the fishing support at the rear of the frame with the front hanging down, push the frame in and tilt the fishing support upward with the guide plate provided at the upper back of the desk. Thus, there is provided an apparatus for guiding an end of a locked sheet on a top plate and feeding the sheet to a printer.

[0004] Japanese Patent Publication No. 1-48003 discloses that
Under the tabletop, the front lower receiving plate and the rear upper guide plate are connected in a stepwise manner, and a mounting table provided with a rotating plate behind the guide plate is provided movably back and forth. Pull out and place the paper block on the receiving plate of the mounting table in which the receiving plate is below the front of the top plate, the guide plate is below the front of the top plate, and the rotating plate is horizontal and at the same height as the guide plate. After inserting the end of the paper through the guide plate to the rotating plate and pushing in the mounting table, the rotating plate automatically grips the end of the paper, and There is provided an apparatus which is inclined and protrudes rearward and upward from the rear end of the top plate so that the end of the sheet can be pulled out and fed to a printer.

[0005]

However, in the above-mentioned apparatus, since the shelf plate is fixed below the center of the top plate, it is difficult to place a heavy paper block, and the drawn-out frame is Since the front part and the center part hang down just before the paper block and the fishing support part is located immediately below the front part of the top plate, it is difficult to lock the end of the paper to the fishing support part.

In the latter device, even if the mounting table is pulled out forward, the guide plate and the rotating plate are located immediately below the front portion of the top plate. It is necessary to insert the paper into the sheet, and it takes much time and the position of the set paper end is unstable.

An object of the present invention is to provide an apparatus in which a paper block is easily placed on a shelf plate below a tabletop of a desk, and an end thereof can be easily fed to a printer on the tabletop. It is an object.

[0008]

In order to achieve the above-mentioned object, a paper feeding device for a printer desk according to the present invention comprises a pair of left and right hanging support plates on a top plate of a desk on which the printer is mounted. A guide rail that is substantially horizontal and has a rear portion curved upward and rearward is fixed on the upper surface of the opposing surfaces of both suspension support plates, and a shelf plate on which a block of printer paper is placed between the lower ends. At the upper ends of a pair of left and right links, which are mounted to be movable back and forth, and whose lower ends are pivotally attached to the lower portions of both suspension support plates, hang from both ends of a horizontal center rod of a guide frame for locking the ends of printer paper. The free ends of the side rods to be connected are connected, the upper ends of both side rods of the guide frame are slightly engaged with the guide rails so as to be able to slide along the guide rails, and the shelf board and both links are A linking means is provided for linking both links to rotate back and forth by the back and forth movement of the shelf. It is.

The linking means is provided with a vertically elongated hole formed in a support plate erected on both sides of the shelf plate, and the distal end of an arm extending from a part of each link is slidably engaged with the elongated hole. Can be combined.

[0010] The connecting means may be constituted by an auxiliary link having one end pivotally attached to a support plate erected on both sides of the shelf plate and the other end pivotally attached to an intermediate position between the links.

The center rod of the guide frame is preferably formed to bend slightly forward and upward with respect to both side rods.

[0012]

According to the apparatus of the present invention, since the drawn-out shelf plate projects forward from the top plate and the front and upper sides are open, a heavy paper block can be easily placed. And its center rod is located below the front end of the top plate, so that the end of the paper block can be easily locked.

When the shelf board is pushed in, the guide frame is inclined backward and retreats by the action of the link and the guide rail, and the end of the sheet locked on the central rod is lifted behind the printer on the top board. .

[0014]

1 to 5 show a first embodiment of the present invention, in which a desk (2) on which a printer (1) is mounted is slightly behind a printer (1) on a top plate (3). (To the right of 1) is a horizontally long insertion hole
A pair of left and right hanging support plates (5) extending in the front-rear direction and parallel to each other are vertically provided on the lower surface of the top plate (3).

A guide rail (6), which is inclined slightly upward and rearward and is curved upward and rearward, is fixedly provided above the opposing surfaces of both suspension support plates (5), and a shelf plate (7) is provided between the lower ends. ) Is mounted for free movement back and forth, and a lower end of a pair of links (9) parallel to the suspension support plate (5) is pivotally supported on a pivot pin (8) projecting inward at the lower center. I have.

A vertically long hole (11) is formed in the rear upper part of a pair of left and right support plates (10) which are parallel to each other and stand in the front-rear direction and erected on the shelf plate (7). The distal end of an arm (9a) extending rearward and upward from the lower end of the arm is slidably engaged in the vertical direction.

In this embodiment, the shelf plate (7) and both links (9) are connected to the shelf plate (7) by the support plate (10), the vertically long hole (11), the arm (9a), and the like. Link (9)
Are formed so as to rotate forward and backward.

The two guide rails (6) are provided with both ends of a support rod (13) which is provided slightly above the left and right side rods (12a) of the guide frame (12) whose front shape is bent substantially in an inverted U-shape. The lower ends of both side rods (12a) are pivotally attached to the distal ends of both links (9), and the center rod (12b) of the guide frame (12) is opposed to the both side rods (12a). As shown, it is formed in a zigzag manner so as to bend slightly upward and forward.

The above-described apparatus is provided with a shelf (7) as shown in FIG.
The guide frame (12) stands up and its center rod
(12b) is located immediately below the front end of the top plate (3).

In this state, a block of printer paper (14) is placed on a shelf plate (7) protruding forward, and its end is folded and locked on a central rod (12b) of a guide frame (12). When the shelf (7) is pushed in as shown in FIG.
By the action of (9) and the two guide rails (6), the sheet retreats while tilting backward, and the end of the sheet (14) together with the center rod (12b) is
Since the paper (14) fits into the insertion hole (4), the end of the paper (14) can be pulled out upward and fed to the printer (12). (15) is a storage box for printed paper (14).

FIGS. 6 and 7 show a second embodiment of the present invention. The same members as those described above are denoted by the same reference numerals and description thereof will be omitted.

In this embodiment, the shelf (7) and both links
Instead of the linking means for linking (9) with that of the first embodiment, one end is pivotally mounted on the upper part of the support plate (10) with a shaft (17), and the other end is an intermediate part of the link (16). It consists of an auxiliary link (16a) pivotally mounted in place.

This embodiment operates in the same manner as the previous embodiment, and has the same functions and effects.

[0024]

According to the apparatus of the present invention, the drawn shelf board protrudes forward from the top plate, and the front and upper sides are open, so that a heavy block of printer paper can be easily placed thereon. At this time, the guide frame stands up and its central rod is located below the front end of the top plate, so that the end of the paper block can be easily locked.

When the shelf plate is pushed in, the guide rods recede while tilting backward by the action of the links and the guide rails, and the end of the sheet projects together with the central rod thereof to the rear of the printer on the top plate. This is extremely convenient because the user can pinch the paper and pull it out for easy feeding to the printer.

[Brief description of the drawings]

FIG. 1 is a partially omitted longitudinal side view when a shelf board of a printer desk to which a first embodiment of the present invention is applied is drawn out.

FIG. 2 is a partially omitted longitudinal side view when the shelf board is pushed in.

FIG. 3 is a partially omitted perspective view showing a main part when the shelf board is pulled out.

FIG. 4 is a partially omitted perspective view showing a main part when the shelf board is pushed in.

FIG. 5 is a partially omitted front view showing the shelf board when it is pulled out and when it is pushed in.

FIG. 6 is a partially omitted perspective view showing a main part of a second embodiment of the present invention when the shelf board is pulled out.

FIG. 7 is a partially omitted perspective view showing a main part when the shelf board is pushed in.

[Explanation of symbols]

 (1) Printer (2) Desk (3) Top plate (4) Insertion hole (5) Suspension plate (6) Guide rail (7) Shelf plate (8) Pivot pin (9) Link (9a) Arm (10 ) Support plate (11) Vertical hole (12) Guide frame (12a) Side rod (12b) Center rod (13) Support frame (14) Printer paper (15) Storage box (16) Link (16a) Auxiliary link (17) Circular hole

Claims (4)

(57) [Claims] 1. A pair of left and right hanging support plates facing in the front-rear direction are vertically installed on a top plate of a desk on which a printer is mounted, and a substantially horizontal rear portion is formed on an upper surface of each of the hanging support plates. A guide rail curving rearward and upward is fixed, a shelf for mounting a block of printer paper is erected between the lower ends so as to be movable back and forth, and lower ends are pivotally attached to the lower portions of both suspension supports. At the upper ends of the pair of links, the free ends of the side rods hanging down from both ends of the horizontal center rod of the guide frame that locks the end of the printer paper are connected, and the upper ends of both side rods of the guide frame are slightly A linking means is provided for engaging the guide rail so as to be slidable along the rail, and for linking the shelf and both links such that both links rotate back and forth by the forward and backward movement of the shelf. Paper feeder for a printer desk. 2. A linking means, wherein a vertically elongated hole is formed in a support plate erected on both sides of a shelf, and a distal end portion of an arm extending from a part of each link is slidable in the elongated hole. 2. The paper feeder for a printer desk according to claim 1, wherein said paper feeder is engaged with said paper feed. 3. The linking means according to claim 1, wherein said linking means comprises an auxiliary link having one end pivotally connected to a support plate erected on both sides of the shelf plate, and the other end pivotally connected to an intermediate position of each link. Paper feeder for printer desk. 4. The sheet feeding device for a printer desk according to claim 1, wherein a center rod of the guide frame is formed to bend slightly forward and upward with respect to both side rods.