JPWO2009047861A1 - Paper shredder with automatic paper feeder - Google Patents

Abstract

A shredder body having a cutter, a driving device for driving the cutter, and a storage portion for storing the shredded paper piece, and pivotally attached to the shredder body so as to be openable and closable. A first cover on which the shredded paper stack can be placed so as to sequentially feed the shredded paper toward the cutter in the open position; and a second cover attachable to the first cover; And a third cover that can cover the upper region of the cutter.

Description

  The present invention relates to a paper shredder, and more particularly to an office paper shredder capable of automatically feeding shredded paper.

  In general, a conventional paper shredder for office use is provided with a paper feeding port for feeding shredded paper at the top of the main body, and is configured to manually feed shredded paper into the paper feeding port. Was normal (see, for example, JP-A-2007-98190).

  As described above, the conventional paper shredder for office use requires manual work even if it is shredded, so it is not economical, and when the shredded paper is jammed in the cutter, it is directly connected to the paper feed opening. Since it was possible to insert fingers, it is dangerous, and in the case of shredding confidential documents, it is necessary to pay attention not to touch the eyes of a third party, and there are many disadvantages in usability. It was.

  The present invention has been made in view of the problems of such conventional products. The purpose of the present invention is to eliminate the need for manual work during shredding and to prevent the contents of shredded paper from being exposed to the human eye. An object of the present invention is to provide a paper shredder with an automatic paper feeder capable of performing shredding and having high safety.

  In order to achieve the above object, a paper shredder with an automatic paper feeder according to the present invention includes a cutter, a driving device for driving the cutter, a shredder body including a storage portion for storing shredded paper pieces, and the shredder. A shredded paper stack is placed on the main body so as to be openable and closable so as to cover the upper part of the shredder main body in the closed position and sequentially feed the shredded paper toward the cutter in the open position. A first cover to be obtained.

  According to the present invention, the first cover is composed of a paper receiving sub-plate that can cover an upper portion of the shredder main body and a paper receiving plate that can constitute a part of the side wall of the shredder main body, which are hinged. The hinge connecting portion is provided with a restricting means for preventing relative movement of the paper receiving sub-plate and the paper receiving plate in the hinge axis direction.

  The paper shredder with an automatic paper feeder according to the present invention further includes a second cover that can be attached to the first cover and can cover the shredded paper stack placed on the first cover.

  The paper shredder with an automatic paper feeder according to the present invention is pivotally attached to the shredder body so as to be openable and closable, and has a manual insertion port for shredded paper. A third cover is provided for covering and opening the cutter region in the open position.

  According to the present invention, since the upper part of the shredder body is covered with the first cover when not in use, it is convenient as equipment suitable for the atmosphere such as the reception room by appropriately devising the surface form of the first cover. An office paper shredder can be provided that can be used in the future. Further, by using the second cover, it is possible to automatically shred confidential documents without exposing them to the public. Furthermore, since the third cover is provided with a manual insertion port for shredded paper, there is an advantage that the conventional shredding operation can be performed even during automatic shredding, and by opening the third cover. There is an advantage that a piece of paper jammed in the cutter part can be easily removed.

FIG. 1 is a side view when the embodiment of the present invention is not in use. FIG. 2 is a side view when the embodiment of the present invention is in use. FIG. 3 is a side view similar to FIG. 2 with a second cover attached. 4A is a plan view when the embodiment of the present invention is in use, and FIG. 4B is a cross-sectional view of the hinge portion. FIG. 5 is a partially broken side view of the third cover opened.

  Embodiments of the present invention will be described below with reference to the drawings.

  1 is a side view when the embodiment of the present invention is not in use, FIG. 2 is a partially cutaway side view when in use (the first cover is opened), and FIG. 3 is provided with a second cover. 2 is a side view similar to FIG. 2, FIG. 4 (a) is a plan view in use, FIG. 4 (b) is a cross-sectional view of the hinge portion, and FIG. 5 is a state in which the third cover is opened. FIG.

  In the drawing, as clearly shown in FIG. 2, 100 cooperates with a known cutter 101, a driving device 102 for driving the cutter 101, paper feeding rollers 103 and 104, and paper feeding rollers 103 and 104. The shredder body 200 including the guide 105 for guiding the shredded paper to the area of the cutter 101 and the storage portion 106 (FIG. 1) for storing the shredded paper piece is hinged to each other and in the closed position. A paper receiving sub-plate 201 that can cover the top of the shredder body 100, and a paper receiving plate that is pivotally attached to the shredder body 100 at both ends and can form part of the vertical wall of the shredder body 100 in the closed position. One end of the first cover 203 combined with 202 is pivotally attached to a hinge shaft 201 d that connects the paper receiving sub-plate 201 and the paper receiving plate 202. The other end is connected to a slot 107 formed on the inner wall of the shredder body 100 and is connected to a slot 107 to hold the first cover 200 in the open position of FIG. The second link is pivotally attached to the side of the first link 203 and is connected to the first link 203 by pins and slots. The link mechanism composed of the first link 203 and the second link 204 is provided on both sides of the first cover 200, and the first cover 200 is brought into the closed position shown in FIG. 1 and the open position shown in FIG. Each is configured to be stably held.

  Referring to FIG. 3, 300 can cover a shredded paper stack (not shown) (for example, a stack of about 300 shredded papers) placed on the first cover 200 set in the open position. The second cover is attached to the shredder body 100 so as to be detachable and rotatable. The second cover 300 can cover the entire first cover 200 as indicated only by the chain line in FIG. 4A, and can be fixed to the first cover 200 by the locking means 301 operated by the key 301a. It is like that. The second cover 300 is made of an opaque material so that the description content of the shredded paper is not visible from the outside.

  As shown in FIG. 4A, the inner side of the first cover 200 is configured to sufficiently withstand the weight of the shredded paper stack even though it is lightweight. That is, the paper receiving sub-plate 201 is made of reinforced plastic, and a plurality of pairs of vertical beams 201a facing each other with a narrow interval S extending in the vertical direction are attached to the inner side of the paper receiving sub-plate 201 in an integral manner. A horizontal beam 201b that connects the beam pair 201a is provided. Further, inside the paper receiving plate 202, vertical and horizontal beams are integrally formed in a lattice shape.

  In addition, for the hinge connection between the paper receiving sub-plate 201 and the paper receiving plate 202, a link mechanism composed of the first link 203 and the second link 204 that restricts the opening / closing operation of the paper receiving sub-plate 201 and the paper receiving plate 202 is used. Special measures are taken to make the exercise smooth. That is, an arc portion 202a having a width slightly narrower than the interval S between the vertical beam pairs 201a is formed on the upper edge of the paper receiving plate 202 corresponding to the vertical beam pair 201a of the paper receiving sub-plate 201 (see FIG. 4B). Are formed on the pivots 201c (see FIG. 4B) fixed between the pair of longitudinal beams 201a, and the upper edges of both sides of the paper receiving plate 202 are formed. The paper receiving sub-plate 201 and the paper receiving plate 202 are hinge-connected in a state in which the cylindrical portion 202b formed in the state is fitted to the pivots 201d fixed to both side walls of the paper receiving sub-plate 201.

  2 and 3 again, 400 is rotatably attached to the shredder body 100 by a pivot 401 so as to be continuous with the paper receiving plate 202, and is adjusted according to the width size of the shredded paper. The leading edge of the shredded paper at the top of the shredded paper stack having left and right butting plates 402, 403 of known construction and loaded on the paper receiving sub-plate 201 and the paper receiving plate 202 A paper feed tray 404 useful for feeding the edge between the paper feed rollers 103 and 104 is pivotally attached to the shredder body 100 by a pivot 405, and the operation unit 404 a is attached to a part of the top wall of the shredder body 100. A paper feed set lever 406 that is exposed as it is, one end of which is fixed to the paper feed set lever 404 and the other end is pivotally attached to the side wall of the front end of the paper feed tray 400. When the lever 404 is moved from the lock position (the operation unit 404a is the position (A) in FIG. 2) to the set position (the operation unit 404a is the position (B) in FIG. 2), the paper feed tray 400 is moved from the solid line position to the chain line position. 407 is a coil spring attached to the spring receiving plate 408 to repress the paper feed tray 400 in the clockwise direction.

  The paper feed set lever 404 is configured to be held at the set position by a well-known click means (not shown) when moved to the set position. 108 (FIG. 4) is a locking means provided on the shredder body 100, 109 is a power switch button, 110 is an automatic paper feed button, 111 is a forward rotation button, and 112 is a reverse rotation button.

  Next, referring to FIGS. 4A and 5, 500 is attached to the shredder main body 100 so as to be pivotable by a pivot 501, and is a hand that can insert shredded paper toward the cutter 101. This is a third cover having an insertion slot 502. The third cover 500 covers the upper area of the cutter 101 in the closed position shown in FIG. 4, and can remove, for example, shredded paper jammed in the cutter 101 in the open position shown in FIG. Yes. The third cover 500 can be locked in the closed position by the locking device 108.

  Since the paper shredder with an automatic paper feeder according to the present invention is configured as described above, the first cover 200 can be manually opened from the closed position shown in FIG. 1 to the open position shown in FIG. 2 before use. For example, the paper receiving sub-plate 201 and the paper receiving plate 202 are connected to a vertical angle of the shredder main body 100 through a link mechanism including links 203 and 204 (in the embodiment, a horizontal plane). Are aligned in a single line and take a posture such that the shredded paper placed between the paper receiving sub-plate 201 and the paper receiving plate 202 can be fed toward the cutter 101. become.

  In this opened state, the operation unit 404a of the paper feed set lever 404 is fully pushed in the direction of the arrow in FIG. 4, and is locked at that position (position (B) in FIG. 2) by a click means (not shown). In the example, about 300 sheets of plain paper) are placed on the paper receiving sub-plate 201, the paper receiving plate 202, and the paper feed tray 400 rotated to the chain line position in FIG. Then, the positions of the left and right abutting plates 402 and 403 are adjusted, and the shredded paper stack is set at the center on the paper receiving sub-plate 201, the receiving plate 202 and the paper feed tray 400.

Next, if necessary, cover the second cover 300 on top of the cover and lock it with the key 301a of the locking means 301 so that the contents of the shredded paper cannot be seen from the outside. Try to prevent loss of documents inside. If the latching state of the paper feed set lever 404 is released against the latching force of the click means (not shown), the paper feed tray 400 is pushed in the clockwise direction by the elastic force of the compressed coil spring 407. As a result, only the top shredded paper at the top of the shredded paper stack sequentially faces between the paper feed rollers 105 and 106, and can be sent to the upper area of the cutter 101. .
Thus, when the power switch button 109 and the automatic paper feed button 110 are pressed, the shredded paper is drawn by the paper feed rollers 103 and 104, guided by the guide 105, and automatically fed one after another toward the cutter 101. It is. The shredded paper is shredded and dropped into the storage unit 106, and the shredded paper stack is automatically shredded. During this time, the operation unit 404a of the paper feed set lever 404 gradually moves in the direction of the opposite arrow in FIG. 4, reaches the position (A) in FIG. 2, and stops.

  In this way, when the shredding of the shredded paper stack is finished, the power supply circuit is turned off by a well-known detection means, and the cutter 101 is automatically stopped. Therefore, the key 301a is inserted into the locking means 301, the second cover 300 is opened, the next shredded paper stack is set again in the above-described procedure, the second cover 300 is closed, and shredding work is performed in the same manner. Repeat it. In this way, when the scheduled shredding operation is completed, the second cover 300 is removed, and the first cover 200 is pushed in the direction of the arrow in FIG. 2, the paper receiving plate 202 is shredded via the link mechanism. The paper receiving sub-plate 201 is accommodated as a part of the side wall of the main body 100, and covers the shredder main body 100 and returns to the state shown in FIG.

  According to the present invention, in the hinge connection between the paper receiving sub-plate 201 and the paper receiving plate 202, the vertical beam pair 201a and the arc that prevent the relative movement of the paper receiving sub-plate 201 and the paper receiving plate 202 in the hinge axis direction. Since the restricting means including the portion 202a is provided, the link mechanism is rotated in the rotation direction during the opening / closing operation of the first cover 200 by the backlash of the paper receiving sub-plate 201 and the paper receiving plate 202 in the lateral direction. There is an advantage that an orthogonal lateral force is not applied, and the opening and closing movement of the first cover 200 can always be performed smoothly.

  Further, according to the present invention, since the third cover 500 is provided with the manual insertion port 502, the manual insertion port 402 is used to cut the manual paper feed even during the automatic cutting as described above. Can be used in combination. When trouble such as paper jam occurs in the cutter 101 during shredding, the paper jam or the like can be easily eliminated by opening the third cover 500 via the locking means 108. That is, when the third cover 500 is opened, a tool or the like can be easily inserted around the cutter. Therefore, even when a trouble such as a paper jam occurs like a conventional shredder, the parts around the cutter can be removed. There is no inconvenience that you have to remove it.

  The paper shredder with an automatic paper feeder according to the present invention can be used both as an automatic paper feeder and a manual paper feeder, and is extremely useful in practical use. You can also.

Claims (4)

  A shredder body having a cutter, a driving device for driving the cutter, and a storage portion for storing the shredded paper piece, and being connected to the shredder body so as to be openable and closable. A paper shredder with an automatic paper feeder, comprising: a first cover that covers and covers the shredded paper stack so that the shredded paper can be sequentially fed toward the cutter in the open position.   The first cover includes a hinge-connected paper receiving sub-plate capable of covering an upper portion of the shredder main body and a paper receiving plate capable of constituting a part of a side wall of the shredder main body. The paper shredder with an automatic paper feeding device according to claim 1, further comprising a restricting means for preventing relative movement of the paper receiving sub-plate and the paper receiving plate in the hinge axis direction.   The paper shredder with an automatic paper feeding device according to claim 1, further comprising a second cover that can be attached to the first cover and can cover a shredded paper stack placed on the first cover.   The shredder body is pivotally mounted to be openable and closable, has a manual insertion port for shredded paper, substantially covers the cutter area in the closed position, and can open the cutter area in the open position. The paper shredder with an automatic paper feeder according to any one of claims 1 to 3, comprising three covers.

Images