JP6433239B2 - Shredder slot mechanism and shredder - Google Patents

Shredder slot mechanism and shredder Download PDF

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JP6433239B2
JP6433239B2 JP2014220449A JP2014220449A JP6433239B2 JP 6433239 B2 JP6433239 B2 JP 6433239B2 JP 2014220449 A JP2014220449 A JP 2014220449A JP 2014220449 A JP2014220449 A JP 2014220449A JP 6433239 B2 JP6433239 B2 JP 6433239B2
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passage
shredder
shredded
opening interval
restriction
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能澤　孝博
孝博 能澤
徹治 吉澤
徹治 吉澤
淳 江口
淳 江口
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合資会社オリエンタル
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Description

本発明は、廃棄用紙などの被細断物を細断するシュレッダーの投入口機構及びシュレッダーに関する。   The present invention relates to a shredder slot mechanism and a shredder for shredding an object to be shredded such as waste paper.

シュレッダーは、オフィス等で発生した不要文書等の被細断物をその内容の判別が不能までに細断刃で細断する機械である。   A shredder is a machine that shreds a shredded object such as an unnecessary document generated in an office or the like with a shredding blade until the contents cannot be identified.

最大細断枚数を多くし、１度に大量の枚数に細断可能なシュレッダーが開発されている。   A shredder has been developed that can increase the maximum number of shredded sheets and shred in large quantities at once.

これら大量枚数細断可能タイプのシュレッダーでは、被細断物を投入する投入口の隙間は、当然のことながら、１度に細断できる枚数が多ければ多いほど広げなければならない。   In these types of shredders capable of shredding a large number of sheets, it is natural that the larger the number of sheets that can be shredded at one time, the wider the gap between the inlets into which the object to be shredded is thrown.

そして、投入口の隙間は広ければ広い程、ユーザーにとっては危険性及び誤投入の可能性が増えることになる。   And the wider the gap of the slot, the greater the risk for the user and the possibility of erroneous insertion.

一方、例えば、シュレッダーの投入口の案内路の開口幅を紙葉類の移動方向に応じて変更し、送り方向開口幅を細断可能な最大枚数の紙葉類の厚さにほぼ等しく設定し、紙葉類を投入口側へ戻す場合には案内路の開口幅を送り方向開口幅より広くし戻り方向開口幅も変更できるようにしたシュレッダーが提案されている（特許文献１）。   On the other hand, for example, the opening width of the guide path of the shredder insertion port is changed according to the moving direction of the paper sheet, and the opening width in the feeding direction is set to be approximately equal to the thickness of the maximum number of paper sheets that can be shredded. A shredder has been proposed in which the opening width of the guide path is made wider than the opening width in the feeding direction and the opening width in the returning direction can be changed when returning the paper sheets to the insertion port side (Patent Document 1).

しかしながら、特許文献１の場合、送り方向開口幅は、細断方向（送り方向）からは固定されているため、大量枚数を細断する場合には、送り方向開口幅は常時広いままである。また、戻り方向開口幅を広くすることは、戻り方向からの力に対して開口幅切り換え手段が回転することにより行われるが、回転の力で開口幅を変更すると負荷の増大となってしまう。   However, in the case of Patent Document 1, since the feed direction opening width is fixed from the shredding direction (feed direction), the feed direction opening width always remains wide when shredding a large number of sheets. Further, widening the opening width in the return direction is performed by rotating the opening width switching means with respect to the force from the return direction. However, if the opening width is changed by the rotational force, the load increases.

特開２００２−１１３６７号公報JP 2002-11367 A

本発明は、上記従来技術の問題点に鑑みてなされたもので、少量枚数から大量枚数までの様々な枚数に対応でき、且つ安全性及び静音性、使い易さの向上を図ることができるシュレッダーの投入口機構及びシュレッダーを提供することを目的とする。   The present invention has been made in view of the above problems of the prior art, and is a shredder that can cope with various numbers of sheets from a small number of sheets to a large number of sheets, and can improve safety, quietness, and ease of use. It is an object to provide a slot mechanism and a shredder.

上記課題を解決するために、本発明のシュレッダーの投入口機構は、被細断物を細断するシュレッダーの投入口機構であって、被細断物が投入口される投入口と、前記投入口から平行に伸びる内側内側面及び外側内側面により形成される通路開口間隔を有する被細断物通路と、前記被細断物通路の途中に設けられ、前記通路開口間隔を制限するように、前記被細断物通路の内側内側面及び外側内側面のいずれかの内側面から他方の内側面への突出方向へと突出されることにより、制限開口間隔を形成する通路制限部材と、前記通路制限部材を付勢するための付勢手段と、を有し、前記通路制限部材は、水平方向に摺動可能とされ、且つ前記突出する方向に付勢されてなり、前記被細断物通路の通路開口間隔よりも厚みがなく、且つ前記制限開口間隔よりも厚みがある被細断物が前記投入口から投入されて前記被細断物通路を通過する際に、前記通過する被細断物によって前記通路制限部材が反付勢方向へと摺動せしめられて前記被細断物の厚み分だけ前記制限開口間隔が拡がるようにしてなる。   In order to solve the above-mentioned problems, the shredder inlet mechanism of the present invention is a shredder inlet mechanism for shredding an object to be shredded. A shredder passage having a passage opening interval formed by an inner inner surface and an outer inner surface extending in parallel from the mouth, and provided in the middle of the shredder passage, so as to limit the passage opening interval, A passage restricting member that forms a restricting opening interval by projecting in a projecting direction from one of the inner inner surface and the outer inner surface of the shredded object passage to the other inner surface; and the passage Urging means for urging the restricting member, and the passage restricting member is slidable in a horizontal direction and is urged in the protruding direction, and the shredder passage Less than the passage opening interval of the passage, and the limit opening When a shredded object having a thickness larger than the interval is introduced from the inlet and passes through the shredded object passage, the passage restricting member slides in the counter-biased direction by the passing shredded object. The restricted opening interval is increased by the thickness of the object to be shredded.

前記付勢手段が、バネ部材であり、前記バネ部材の弾性力によって前記通路制限部材が付勢されてなるのが好ましい。   Preferably, the urging means is a spring member, and the passage restriction member is urged by the elastic force of the spring member.

上述したように、本発明のシュレッダーの投入口機構では、被細断物の投入方向からは、その被細断物の厚み分だけ前記制限開口間隔が拡がる機構となっているが、かかる機構に加えて、前記被細断物の投入方向とは逆方向である被細断物の戻り方向（被細断物の排出方向）から前記通路制限部材に圧力がかかると、前記被細断物の厚み分だけ拡がった前記制限開口間隔よりもさらに前記制限開口間隔が拡がるようにしてなるのが好ましい。そして、被細断物の戻り方向（被細断物の排出方向）から取り出すのが、少量の被細断物の場合、低負荷にて取り出しを可能とし、大量の被細断物の場合には、そこから更に前記制限開口間隔が拡がるようにすれば、２段階で前記制限開口間隔が拡がるので好適である。   As described above, the shredder inlet mechanism according to the present invention has a mechanism in which the limit opening interval is increased by the thickness of the shredded object from the shredding direction of the shredded object. In addition, when pressure is applied to the passage restricting member from the return direction of the shredded object (the discharge direction of the shredded object) that is opposite to the direction in which the shredded object is charged, It is preferable that the restriction opening interval is further increased than the restriction opening interval that is increased by the thickness. And, when removing from the return direction of the shredded object (the discharge direction of the shredded object) is a small amount of shredded object, it can be taken out with a low load, and in the case of a large amount of shredded object It is preferable that the restricted opening interval is further increased from there, because the restricted opening interval is increased in two stages.

本発明のシュレッダーは、前記シュレッダーの投入口機構を有するものである。さらに詳しくは、本発明のシュレッダーは、前記シュレッダーの投入口機構を筐体に設け、前記筐体内部に細断屑を収容する屑収容部を設け、前記投入口から投入された被細断物を細断するための細断刃を備えた細断機構部と、を含むものである。細断刃は正逆回転可能とされるのが好適である。   The shredder of the present invention has the inlet mechanism for the shredder. More specifically, the shredder of the present invention is provided with a shredder inlet mechanism in a housing, a waste container for storing shredded waste inside the housing, and a shredded object thrown from the inlet. And a shredding mechanism having a shredding blade for shredding. It is preferable that the chopping blade can be rotated forward and backward.

本発明のシュレッダーの投入口機構は、以下のような機構とすることができる。
（１）被細断物が投入される投入口における通路開口間隔を、被細断物の厚みによって自動的に調整できる投入口の機構（適量枚数を細断する場合は、投入口における通路開口間隔は狭いままであり、大量枚数を細断する場合はその厚さに応じて拡がる。）。
（２）通路開口間隔は、０ｍｍ以上から任意の幅まで調整可能な機構（未使用時には常時投入口における通路開口間隔は閉じたままであり、被細断物に応じて拡がる機構。被細断物の厚さ分だけ拡がる機構であるため、細断機構部からの騒音が低減される。）。
（３） 被細断物の厚みによって調整される機構を利用し、細断される被細断物の量を細断前に把握することも可能。
（４） 被細断物の投入方向からは、通路開口間隔がその被細断物の厚み分広がる機構。被細断物の戻り方向からは、通路開口間隔がそれよりも更にもう１段拡がり、細断物を取り出し易い機構。これにより、細断の途中で引っかかってしまった文書等の被細断物を投入口から引っ張り出すことが容易にできる。 The inlet mechanism of the shredder of the present invention can be the following mechanism.
(1) A mechanism of an inlet that can automatically adjust the passage opening interval at the inlet into which the object to be shredded is introduced according to the thickness of the object to be shredded. The interval remains narrow, and if you cut a large number of sheets, it will increase according to its thickness.)
(2) A mechanism in which the passage opening interval can be adjusted from 0 mm or more to an arbitrary width (the passage opening interval in the charging port is always closed when not in use, and expands according to the object to be shredded. This is a mechanism that expands by the thickness of, so noise from the shredding mechanism is reduced.)
(3) Using a mechanism that is adjusted according to the thickness of the object to be shredded, it is possible to grasp the amount of the object to be shredded before shredding.
(4) A mechanism in which the passage opening interval is increased by the thickness of the shredded object from the direction in which the shredded object is introduced. From the return direction of the object to be shredded, a mechanism in which the passage opening interval is further expanded by one step so that the shredded object can be easily taken out. Thereby, it is possible to easily pull out a shredded object such as a document that has been caught in the middle of shredding from the insertion port.

本発明によれば、少量枚数から大量枚数までの様々な枚数に対応でき、且つ安全性及び静音性、使い易さの向上を図ることができるシュレッダーの投入口機構及びそれを組み込んだシュレッダーを提供することができるという著大な効果を奏する。   According to the present invention, there is provided a shredder slot mechanism capable of dealing with various numbers of sheets from a small number to a large number, and capable of improving safety, quietness, and ease of use, and a shredder incorporating the shredder. There is a great effect that you can.

また、被細断物の厚さに応じて投入口の隙間が自動的に調整される機構のため、被細断物の誤投入の機会は大幅に低減され、ユーザーへの安全性も向上される。そして、ある一定の細断枚数以上からかかる調整機構が作動するので、使用者は調整機構の動作感覚が伝わり、大量の枚数を細断するという意思を持つことが出来、意識的にも安全性が向上すると考えられる。さらに、被細断物の厚さに沿って投入口の通路開口間隔が拡がるので、前記通路制限部材が防音壁の役割を果たすことになり、投入口の隙間から漏れる細断時の騒音も低減され静音性が向上する。さらに視覚的にも、被細断物の厚さに応じて投入口の隙間が自動的に調整される機構のため、従来よりも細断機構部の回転する細断刃が見えにくくなることから、使用時のユーザーの恐怖感も低減されると考えられる。   In addition, the mechanism that automatically adjusts the clearance of the slot according to the thickness of the shredded object greatly reduces the chance of erroneous throwing of the shredded object and improves safety for users. The And since the adjustment mechanism operates from a certain number of shredded sheets or more, the user can feel the operation feeling of the adjusting mechanism and can have a willingness to shred a large number of sheets. Is thought to improve. Furthermore, since the passage opening interval of the inlet is increased along the thickness of the shredded object, the passage restricting member serves as a sound barrier, and noise during shredding leaking from the gap of the inlet is reduced. Silence is improved. Furthermore, visually, the mechanism that automatically adjusts the gap of the slot according to the thickness of the object to be shredded makes it easier to see the rotating shredder blade of the shredding mechanism than before. The fear of the user during use is also expected to be reduced.

本発明のシュレッダーの投入口機構の一つの実施の形態を示す概略断面図である。It is a schematic sectional drawing which shows one embodiment of the inlet opening mechanism of the shredder of this invention. 図１の状態から制限開口間隔が拡がった状態を示す概略断面図である。It is a schematic sectional drawing which shows the state which the restriction | limiting opening space | interval expanded from the state of FIG. 本発明のシュレッダーの投入口機構の一つの実施の形態を背面側から示す概略斜視図である。It is a schematic perspective view which shows one embodiment of the inlet mechanism of the shredder of this invention from the back side. 図２の状態よりもさらに間隔が拡がった拡大制限開口間隔が形成された状態を示す概略断面図である。It is a schematic sectional drawing which shows the state in which the expansion | swelling restriction | limiting opening space | interval which the space | interval expanded further than the state of FIG. 2 was formed.

以下に本発明の実施の形態を説明するが、これら実施の形態は例示的に示されるもので、本発明の技術思想から逸脱しない限り種々の変形が可能なことはいうまでもない。図示において、同一部材は同一符号であらわされる。   Embodiments of the present invention will be described below, but these embodiments are exemplarily shown, and it goes without saying that various modifications can be made without departing from the technical idea of the present invention. In the drawing, the same members are denoted by the same reference numerals.

図１〜図４に本発明のシュレッダーの投入口機構の一つの実施の形態を示す。図１〜図４において、符号１０は本発明のシュレッダーの投入口機構を示す。   1 to 4 show one embodiment of a shredder slot mechanism according to the present invention. 1-4, the code | symbol 10 shows the inlet mechanism of the shredder of this invention.

シュレッダーの投入口機構１０は、被細断物を細断するシュレッダーの投入口機構であって、被細断物が投入口される投入口１２と、前記投入口１２から平行に伸びる内側内側面１４及び外側内側面１６により形成される通路開口間隔Ｄ１を有する被細断物通路１８と、前記被細断物通路１８の途中に設けられ、前記通路開口間隔Ｄ１を制限するように、前記被細断物通路１８の内側内側面１４及び外側内側面１６のいずれかの内側面から他方の内側面への突出方向Ａへと突出されることにより、制限開口間隔Ｄ２を形成する通路制限部材２０と、前記通路制限部材２０を付勢するための付勢手段２２と、を有し、前記通路制限部材２０は、水平方向に摺動可能とされ、且つ前記突出する方向Ａに付勢されてなり、
前記被細断物通路１８の通路開口間隔Ｄ１よりも厚みがなく、且つ前記制限開口間隔Ｄ２よりも厚みがある被細断物が前記投入口１２から投入されて前記被細断物通路１８を通過する際に、前記通過する被細断物によって前記通路制限部材２０が反付勢方向Ｂへと摺動せしめられて前記被細断物の厚み分だけ前記制限開口間隔Ｄ２が拡がるようにしてなるように構成されている。 The shredder inlet mechanism 10 is a shredder inlet mechanism for shredding a shredded object, and includes an inlet 12 through which the shredded object is inserted, and an inner inner surface extending in parallel from the inlet 12. 14 and a shredded object passage 18 having a passage opening interval D1 formed by the outer inner surface 16 and the shredded object passage 18 provided in the middle of the shredded object passage 18 so as to limit the passage opening interval D1. The passage restricting member 20 that forms the restricting opening interval D2 by projecting in the projecting direction A from one of the inner inner surface 14 and the outer inner surface 16 of the shredded material passage 18 to the other inner surface. And an urging means 22 for urging the passage restriction member 20, and the passage restriction member 20 is slidable in the horizontal direction and is urged in the protruding direction A. Become
A shredded object having a thickness smaller than the passage opening interval D1 of the shredded object passage 18 and having a thickness larger than the limited opening interval D2 is introduced from the charging port 12 to pass through the shredded object passage 18. When passing, the passage restricting member 20 is slid in the counter-biasing direction B by the passing shredded object so that the limited opening distance D2 is increased by the thickness of the shredded object. It is comprised so that it may become.

図示例では、図１及び図２によく示される如く、前記突出方向Ａは、前記被細断物通路１８の内側内側面１４から外側内側面１６へ突出されようにした例を示した。また、図示例において、被細断物は、被細断物の投入方向Ｐから投入される。被細断物の戻り方向Ｑは、投入方向Ｐとは逆方向となる。また、図示例において、符号２４ａ，２４ｂはフレーム部材であり、フレーム部材２４ａ，２４ｂを介してシュレッダーの筐体へとシュレッダーの投入口機構１０が取り付けられる。   In the illustrated example, as well shown in FIGS. 1 and 2, the projecting direction A is illustrated as projecting from the inner inner surface 14 of the shredded object passage 18 to the outer inner surface 16. Moreover, in the example of illustration, a to-be-chopped object is thrown from the throwing direction P of a to-be-chopped object. The return direction Q of the object to be shredded is opposite to the input direction P. In the illustrated example, reference numerals 24a and 24b denote frame members, and the shredder inlet mechanism 10 is attached to the shredder housing via the frame members 24a and 24b.

前記付勢手段２２としては、バネ部材の例を示した。前記付勢手段２２である前記バネ部材の弾性力によって前記通路制限部材２０は、突出方向Ａへと付勢されている。前記付勢手段２２である前記バネ部材の作用する力の３つの向きを図２に矢印Ｓで示した。   An example of a spring member is shown as the urging means 22. The passage restriction member 20 is urged in the protruding direction A by the elastic force of the spring member which is the urging means 22. Three directions of the force acting on the spring member which is the urging means 22 are indicated by arrows S in FIG.

フレーム部材２４ａ，２４ｂには、ガイド棒２６が横架されており、通路制限部材２０の長孔２８が係合せしめられる。通路制限部材２０は前記長孔２８の作用と当接フレーム３４と当接するスライドレール３０の作用によって、水平方向に摺動可能とされている。符号３２は、マイクロスイッチであり、前記制限開口間隔Ｄ２が大きく開いた場合（例えば設定上限以上の間隔開いた場合）、マイクロスイッチ３２が動作して、シュレッダーの細断刃の正回転を停止するようにする。これにより、シュレッダーの安全性が向上する。   A guide rod 26 is horizontally mounted on the frame members 24a and 24b, and the long hole 28 of the passage restriction member 20 is engaged therewith. The passage restricting member 20 is slidable in the horizontal direction by the action of the long hole 28 and the action of the slide rail 30 in contact with the contact frame 34. Reference numeral 32 denotes a micro switch. When the limited opening interval D2 is greatly opened (for example, when the interval is larger than the set upper limit), the micro switch 32 is operated to stop the normal rotation of the shredder blade. Like that. Thereby, the safety of the shredder is improved.

上述した構成により、投入方向Ｐからの力により、前記通路制限部材２０が水平方向の反付勢方向Ｂに摺動し、前記被細断物の厚み分だけ前記制限開口間隔Ｄ２が拡がるようにされている。   With the above-described configuration, the passage restriction member 20 slides in the horizontal counter-biasing direction B by the force from the charging direction P, and the restriction opening interval D2 is increased by the thickness of the shredded object. Has been.

このようにすれば、設定により、例えば、(i)通常時（非細断時）には、前記制限開口間隔Ｄ２を定格枚数分程度の隙間にしておき、大量枚数細断時にその厚さ分だけ拡がるように設定できる。このように、常に大量枚数分の制限開口間隔Ｄ２が開いているわけではないため、前記通路制限部材２０が防音壁となり細断機構部からの騒音を低減することができる。
また、設定により、例えば、(ii)通常時（非細断時）には、前記制限開口間隔Ｄ２を限りなくゼロに近づけることで、前記通路制限部材２０が防音壁となり細断機構部からの騒音をさらに低減するように設定することもできる。
但し、これらの場合であっても、投入方向Ｐからの前記制限開口間隔Ｄ２が拡がる大きさは、ユーザーの安全を考慮した大きさまでとする。 In this way, depending on the setting, for example, (i) In the normal time (non-chopping), the limit opening interval D2 is set to a gap of about the rated number of sheets, and when the large number of sheets is shredded, the thickness thereof It can be set to expand only. As described above, since the restriction opening interval D2 for a large number of sheets is not always opened, the passage restriction member 20 serves as a soundproof wall, and noise from the shredding mechanism can be reduced.
Further, by setting, for example, (ii) in normal time (non-chopping), the passage restriction member 20 becomes a soundproof wall by making the restriction opening interval D2 as close to zero as possible. It can also be set to further reduce noise.
However, even in these cases, the size of the limited opening interval D2 from the insertion direction P is set to a size that takes into account user safety.

シュレッダーの投入口機構１０は、前記被細断物の投入方向Ｐとは逆方向である被細断物の戻り方向Ｑからの力でも、投入方向Ｐと同様に前記通路制限部材２０が反付勢方向Ｂの水平方向へと摺動せしめられて制限開口間隔Ｄ２が拡がる。少量の被細断物であれば、拡がった制限開口間隔Ｄ２から低負荷にて引っ張りだすことができる。   The shredding inlet mechanism 10 causes the passage restricting member 20 to rebound even in a force from the return direction Q of the shredded object, which is opposite to the throwing direction P of the shredded object. By sliding in the horizontal direction B, the limit opening interval D2 is expanded. If it is a small amount of shredded object, it can be pulled out with a low load from the expanded restricted opening interval D2.

しかし、大量の被細断物が引っかかってしまった場合、引っ張りだそうとする力によって、戻り方向Ｑからの力が増大する。この場合、図４によく示される如く、シュレッダーの投入口機構１０は、前記被細断物の投入方向Ｐとは逆方向である被細断物の戻り方向Ｑから前記通路制限部材２０に前記通路制限部材２０が回動するだけの圧力がかかると、前記スライドレール３０の当接が外れて、前記通路制限部材２０が前記ガイド棒２６を支点として回動する。これは前記付勢手段２２である前記バネ部材の作用でもある。すなわち、前記付勢手段２２である前記バネ部材は、水平方向と上下方向の力を同時に作用されるように傾斜して設けられている。これにより、前記被細断物の厚み分だけ拡がった前記制限開口間隔よりもさらに前記制限開口間隔が拡がった拡大制限開口間隔Ｄ３が形成されるようにされている。   However, when a large amount of shredded objects are caught, the force from the return direction Q increases due to the force to be pulled. In this case, as well shown in FIG. 4, the shredder inlet mechanism 10 is configured so that the passage restricting member 20 moves from the shredding object return direction Q to the shredding object reverse direction P. When a pressure sufficient to rotate the passage restriction member 20 is applied, the contact of the slide rail 30 is released, and the passage restriction member 20 rotates about the guide rod 26 as a fulcrum. This is also the action of the spring member which is the urging means 22. That is, the spring member which is the urging means 22 is provided so as to be inclined so that horizontal and vertical forces can be applied simultaneously. As a result, an enlarged restricted opening interval D3 is formed in which the restricted opening interval is further expanded from the restricted opening interval that is expanded by the thickness of the shredded object.

上述のように構成することで、被細断物の戻り方向（被細断物の排出方向）から取り出すのが、少量の被細断物の場合、低負荷にて取り出しを可能とし、大量の被細断物の場合には、そこから更に前記制限開口間隔が拡がるため、２段階で前記制限開口間隔が拡がるようになる。   By configuring as described above, it is possible to take out from the return direction of the object to be shredded (the discharge direction of the object to be shredded) in the case of a small amount of object to be shredded, with a large load. In the case of an object to be shredded, the limited opening interval is further expanded from there, and thus the limited opening interval is expanded in two stages.

そして、かかるシュレッダーの投入口機構１０をシュレッダーに組み込むことで、少量枚数から大量枚数までの様々な枚数に対応でき、且つ安全性及び静音性、使い易さの向上を図ることができるシュレッダーとなる。   By incorporating such a shredder inlet mechanism 10 into the shredder, the shredder can cope with various numbers from a small number to a large number, and can improve safety, quietness, and ease of use. .

１０：本発明のシュレッダーの投入口機構、１２：投入口、１４：内側内側面、１６：外側内側面、１８：被細断物通路、２０：通路制限部材、２２：付勢手段、２４ａ，２４ｂ：フレーム部材、２８：長孔、３０：スライドレール、３２：マイクロスイッチ、３４：当接フレーム、Ａ：通路制限部材の突出方向、Ｂ：反付勢方向、Ｄ１：通路開口間隔、Ｄ２：制限開口間隔、Ｄ３：拡大制限開口間隔、Ｐ：被細断物の投入方向、Ｑ：被細断物の戻り方向、Ｓ：バネ部材の作用する力の向き。 10: inlet mechanism of shredder of the present invention, 12: inlet, 14: inner inner surface, 16: outer inner surface, 18: shredder passage, 20: passage restriction member, 22: biasing means, 24a, 24b: frame member, 28: long hole, 30: slide rail, 32: micro switch, 34: abutment frame, A: protruding direction of the passage restriction member, B: counter-biasing direction, D1: passage opening interval, D2: Restriction opening interval, D3: Enlargement restriction opening interval, P: Direction of throwing object, Q: Return direction of object to be shredded, S: Direction of force acting on spring member.

Claims (3)

被細断物を細断するシュレッダーの投入口機構であって、
被細断物が投入口される投入口と、
前記投入口から平行に伸びる内側内側面及び外側内側面により形成される通路開口間隔を有する被細断物通路と、
前記被細断物通路の途中に設けられ、前記投入口の幅方向の全幅に亘って前記通路開口間隔を制限するように、制限開口間隔を形成する通路制限部材と、
前記通路制限部材を付勢するための付勢手段と、
を有し、
前記被細断物通路の内側内側面及び外側内側面のいずれかの内側面から他方の内側面への突出方向へと前記付勢手段で付勢されて突出されることにより、未使用時には前記通路開口間隔は前記通路制限部材によって閉じたままであり、
前記投入口から被細断物が投入されると、前記被細断物通路の通路開口間隔よりも厚みがなく、且つ前記制限開口間隔よりも厚みがある被細断物が前記投入口から投入されて前記被細断物通路を通過する際に、前記通過する被細断物の厚みに応じて前記通路制限部材が反付勢方向の水平方向に摺動することで前記被細断物の厚み分だけ前記制限開口間隔が拡がるようにされてなり、
前記被細断物の投入方向とは逆方向である被細断物の戻り方向から前記通路制限部材に圧力がかかると、前記付勢手段の作用によって、前記通路制限部材が反付勢方向の水平方向に摺動するとともに前記通路制限部材が回動せしめられて前記被細断物の厚み分だけ拡がった前記制限開口間隔よりもさらに前記制限開口間隔が拡がった拡大制限開口間隔が形成されるようにしてなる、シュレッダーの投入口機構。 A shredder slot mechanism for shredding objects,
An input port through which an object to be shredded is input;
A shredded object passage having a passage opening interval formed by an inner inner surface and an outer inner surface extending in parallel from the charging port;
A passage restriction member that is provided in the middle of the shredded object passage and that forms a restriction opening interval so as to restrict the passage opening interval over the entire width in the width direction of the input port ;
Biasing means for biasing the passage restriction member;
Have
Wherein by being protruded is biased by the biasing means from either the inner surface of the inner internal surface and the outer inner surface of the shred passage to the extended direction to the other inner side surface, wherein when not in use The passage opening interval remains closed by the passage restriction member,
When a shredded object is thrown from the inlet, a shredder having a thickness less than the passage opening interval of the shredder passage and thicker than the limit opening interval is thrown from the inlet port. When passing through the shredded object passage, the passage restricting member slides in the horizontal direction in the counter-biasing direction according to the thickness of the shredded object passing therethrough, thereby The limited opening interval is increased by the thickness,
When pressure is applied to the passage restricting member from the return direction of the shredded object that is opposite to the direction in which the shredded object is charged, the passage restricting member is moved in the counter-biasing direction by the action of the urging means . The expansion restriction opening interval is formed in which the restriction opening interval is further expanded from the restriction opening interval that is slid in the horizontal direction and is rotated by the passage restriction member and is expanded by the thickness of the shredded object. A shredder slot mechanism. 前記付勢手段が、バネ部材であり、前記バネ部材の弾性力によって前記通路制限部材が付勢されてなる、請求項１記載のシュレッダーの投入口機構。   The shredder inlet mechanism according to claim 1, wherein the urging means is a spring member, and the passage restriction member is urged by an elastic force of the spring member. 請求項１又は２記載のシュレッダーの投入口機構を有する、シュレッダー。 Having inlet mechanism shredder according to claim 1 or 2 wherein, shredder.
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