JPS63208451A - Paper supply device - Google Patents
Paper supply deviceInfo
- Publication number
- JPS63208451A JPS63208451A JP62038854A JP3885487A JPS63208451A JP S63208451 A JPS63208451 A JP S63208451A JP 62038854 A JP62038854 A JP 62038854A JP 3885487 A JP3885487 A JP 3885487A JP S63208451 A JPS63208451 A JP S63208451A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- pad
- paper feed
- pad holder
- feed roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は複写機やプリンタ等の画像作成装置に適用され
る給紙装置に関し、特に給紙ローラにさばきパッドを圧
接して用紙を１枚づつ給紙するように構成された給紙装
置に関するものである。Detailed Description of the Invention (Industrial Application Field) The present invention relates to a paper feeding device applied to image creation devices such as copying machines and printers, and in particular, the present invention relates to a paper feeding device that is applied to image creation devices such as copying machines and printers, and in particular, the present invention relates to a paper feeding device that is applied to image creation devices such as copying machines and printers. The present invention relates to a paper feeding device configured to feed paper one at a time.
（従来の技術）
従来の複写機やプリンタ等における給紙方式としては、
給紙カセットに収容された用紙の先端部を圧接させて用
紙を送り出す給紙ローラと、用紙の先端両側に係合して
用紙を１枚づつ分離する分離爪とからなる分離爪方式と
、給紙ローラにさばきパッドを圧接させて用紙を１枚づ
つ分離するさばきパッド方式と、給紙ローラに接して逆
回転するローラを用いた逆転ローラ方式とがある。(Prior art) Paper feeding methods for conventional copiers, printers, etc.
The separation claw method consists of a paper feed roller that presses the leading edge of the paper stored in the paper feed cassette to feed the paper, and separation claws that engage both sides of the paper leading edge to separate the paper one by one. There is a sorting pad method in which a paper roller is pressed into contact with a sorting pad to separate sheets one by one, and there is a reverse roller method in which a roller that is in contact with a paper feed roller rotates in the opposite direction.
ところで、従来のさばきパッド方式の給紙装置は、例え
ば第９図に示すように構成されている。By the way, a conventional paper feeding device of the sorting pad type is configured as shown in FIG. 9, for example.
給紙カセット５１内に収納された用紙Ｐは、図示しない
押上機構により用紙押え板５２を介して給１＃ロー２５
３に先端を一定圧で押付けられている。The paper P stored in the paper feed cassette 51 is fed to the 1# row 25 via the paper presser plate 52 by a push-up mechanism (not shown).
3, the tip is pressed with constant pressure.
給紙ローラ５３が駆動されると、上端の用紙Ｐが給紙ロ
ーラ５３とさばきパッド５４との接点へと搬送される。When the paper feed roller 53 is driven, the upper end paper P is conveyed to the contact point between the paper feed roller 53 and the sorting pad 54 .
用紙Ｐが重送された場合には、給紙ローラ５３と用紙Ｐ
間、用紙Ｐ相互間および用紙Ｐとさばきパッド５４間の
摩擦係数の差によって１枚の用紙が分離されて搬送経路
Ａを経て搬送される。前記さばきパッド５４は、給紙ロ
ーラ５３の側方位置に配置された支持軸５６にて揺動自
在に支持された略し字状のパッドレバー５５の道端部に
接着されており、このバッドレバー５５を引張ばね５７
にて給紙ローラ５３側に付勢することによってさばきパ
ッド５４を給紙ローラ５３に一定荷重で圧接させている
。また、これら給紙ローラ５３及びパッドレバー５５の
外側部は、用紙Ｐのガイド部を有するとともに下端部を
回動可能に支持されたカバー５８で開閉可能に覆われで
おり、給紙ローラ５３とさばきパッド５４間あるいは搬
送経路Ａの途上で紙詰まりが発生すると、カバー５８を
Ｂ方向に開いて紙詰まり処理をするように構成されてい
る。又、図示は省略しているが、給紙カセット５１の装
着によって作動する作用片を給紙カセット装着空間の下
部に配置し、この作用片の動きを前記パッドレバー５５
に連動させ、給紙カセット５１を取り出したときにさば
きパッド５４が給紙ローラ５３から離間するように構成
し、給紙ローラ５３とさばきパッド５４間に用紙Ｐが挟
まった状態で紙詰まりを生じた場合に、給紙カセット５
１を抜ぎ出すことによって容易に用紙Ｐを取り出すこと
ができるように構成されている。When the paper P is fed in duplicate, the paper feed roller 53 and the paper P
During this time, one sheet of paper is separated and conveyed through the conveyance path A due to the difference in the coefficient of friction between the sheets P and between the sheets P and the handling pad 54. The sorting pad 54 is bonded to the end of an abbreviated pad lever 55 that is swingably supported by a support shaft 56 disposed on the side of the paper feed roller 53. tension spring 57
By urging the paper feed roller 53 at , the sorting pad 54 is pressed against the paper feed roller 53 with a constant load. Further, the outer parts of the paper feed roller 53 and the pad lever 55 are covered so as to be openable and closable by a cover 58 which has a guide part for the paper P and whose lower end is rotatably supported. When a paper jam occurs between the handling pads 54 or along the transport path A, the cover 58 is opened in the direction B to clear the paper jam. Although not shown in the drawings, an operating piece that is activated when the paper feed cassette 51 is mounted is arranged at the lower part of the paper feeding cassette mounting space, and the movement of this action piece is controlled by the pad lever 55.
The system is configured such that the sorting pad 54 is moved away from the paper feed roller 53 when the paper feed cassette 51 is taken out, and paper jams occur when the paper P is caught between the paper feed roller 53 and the sorting pad 54. paper cassette 5.
It is configured such that the paper P can be easily taken out by pulling out the paper P.
（発明が解決しようとする問題点）
ところで、上記さばきパッド方式において、給紙ロー２
５３とさばきパッド５４の寿命を比較すると、給紙ロー
２５３は全周面が摩擦接触するが、さばきパッド５４は
一箇所が摩擦接触するために、さばきパッド５４の摩耗
が激しく、摩耗によってさばき性能が低下するために寿
命が短く、給紙ロー２５３を含む装置全体の耐用年数の
途中でさばきパッド５４の交換が必要となることがあり
、特にプリンタは複写機に比して耐用年数が長いために
、さばきパッド５４の交換が不可欠となる。しかしなが
ら、上記構成において、さばきパッド５４を交換するた
めには、支持軸５６や引張ばね５７を取り外してバッド
レバー５５を取り出す必要があって、その作業は大変煩
雑である。そのため、ユーザーが簡単に交換するという
ことができず、さばきパッド５４の交換に多くの費用が
かがるという問題があった。また、紙詰り処理を行う場
合にも支持軸５６やパッドレバー５５等があるため、処
理スペースが小さく、作業がし難いという問題もあった
。(Problem to be solved by the invention) By the way, in the above-mentioned handling pad method, the paper feed row 2
53 and the handling pad 54, the paper feed row 253 has frictional contact on the entire circumference, but the handling pad 54 has frictional contact at one place, so the handling pad 54 is heavily worn, and the handling performance deteriorates due to wear. The lifespan is short due to the decrease in the paper feed row 253, and the handling pad 54 may need to be replaced during the lifespan of the entire device including the paper feed row 253. Especially since printers have a longer lifespan than copying machines. In this case, it becomes essential to replace the handling pad 54. However, in the above configuration, in order to replace the handling pad 54, it is necessary to remove the support shaft 56 and the tension spring 57 and take out the bad lever 55, which is a very complicated operation. Therefore, there was a problem in that the user could not easily replace the cutting pad 54, and that replacing the cutting pad 54 required a lot of cost. In addition, since the support shaft 56, pad lever 55, etc. are required when handling paper jams, there is also the problem that the handling space is small and the work is difficult.
本発明は、上記従来の問題点に鑑み、簡単にさばきパッ
ドを交換することができるとともに、紙詰まり処理も容
易に行える給紙装置の提供を目的とする。SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, it is an object of the present invention to provide a paper feeding device in which the handling pad can be easily replaced and paper jams can be easily cleared.
（問題点を解決するための手段）
本発明は、上記目的を達成するため、回転駆動可能な給
紙ローラと、給紙ローラの周面に接するさばきパッドと
、さばきパッドを保持するパッドホルダーと、パッドホ
ルダーの背面を押圧しで前記さばきパラｒを前記給紙ロ
ーラの周面に押圧する圧縮手段とを備え、前記パッドホ
ルダーの給紙ローラ回転方向の一端部に、このパッドホ
ルダーを揺動可能にかつ着脱可能に係止する係止部を設
けたことを特徴とする。(Means for Solving the Problems) In order to achieve the above object, the present invention includes a paper feed roller that can be driven to rotate, a sorting pad that contacts the circumferential surface of the paper feed roller, and a pad holder that holds the sorting pad. , compression means for pressing the rear surface of the pad holder to press the separation parameter r against the circumferential surface of the paper feed roller, and the pad holder is swung at one end of the pad holder in the rotation direction of the paper feed roller. It is characterized in that it is provided with a locking part that can be locked in a detachable and detachable manner.
（作用）
本発明は上記構成を有するので、パッドホルダーをその
一端部の係止を外すだけで簡単に取り出すことができる
ため、さばきパッドの交換をユーザーにおいても簡単に
行うことができる。また、パッドホルダーを係止によっ
て取付けているのでスペースをとらず、そのため紙詰ま
り処理をスペースの制約を受けずに容易に行うことがで
きる。(Function) Since the present invention has the above-described configuration, the pad holder can be easily taken out by simply releasing the lock at one end thereof, so that the user can easily replace the handling pad. Further, since the pad holder is attached by locking, it does not take up much space, so paper jams can be easily cleared without being subject to space constraints.
（実施例）
以下、本発明の一実施例を第１図及び第２図を参照しな
がら説明する。１はプリンタの本体ケースで、その下端
部に給紙カセット２が装着されている。この給紙カセッ
ト２の一端部の上方位置に給紙ロー２３が配設され、が
っこの給紙ローラ３の下端部に対して、前記給紙カセッ
ト２内に収容された用紙の一端部を図示しない押上げ手
段にて一定圧で圧接させるように構成されている。また
、この給紙ローラ３と用紙との接触部から給紙ローラ３
回転方向に適当間隔離れた位置において、給紙ロー２３
の周面にパッドホルダー４に保持されたさばきパッド５
が接線状態で圧接されている。(Example) An example of the present invention will be described below with reference to FIGS. 1 and 2. Reference numeral 1 denotes a main body case of the printer, and a paper feed cassette 2 is attached to the lower end of the main body case. A paper feed row 23 is disposed above one end of the paper feed cassette 2, and is configured to push one end of the paper stored in the paper feed cassette 2 against the lower end of the paper feed roller 3. It is configured to be brought into contact with a constant pressure by a push-up means (not shown). In addition, the paper feed roller 3 is
At a position separated by an appropriate distance in the rotation direction, the paper feed row 23
Judging pad 5 held by pad holder 4 on the circumferential surface of
are tangentially pressed together.
前記パッドホルダー４の一端部には、前記本体ケース１
側の係止突部７を上下両側から挟持する係止部８が形成
されている。前記係止突部７は、本体ケース１の一端部
に配設された取付板６の上端部から前記給紙ローラ３と
用紙の接触部に向かうように突設されている。そして、
これら係止突部７と係止部８の係合によってパッドホル
ダー４は上下揺動可能に係止されでいる。また、前記係
止部８の幅方向中央部には、切欠部９が形成され、係止
突部７の幅方向中央部に形成された垂直突起１０に係合
してパッドホルダー４をその幅方向に位置決めするよう
に構成されでいる。１１はパッドホルダー４に突設され
た用紙ガイドである。又、前記パッドホルダー４のさば
きパッド５の背部位置には、前記取付板６に形成された
ばね受は筒部１２に保持された圧縮ばね１３が当接して
おり、この圧縮ばね１３の付勢力にてさばきパッド５が
給紙ローラ３に向かって圧接されている。さらに、前記
パッドホルダー４の背面にはＬ字状の突起１４が突設さ
れ、この突起１４に、本体ケース１下部の給紙力セット
２装着空間の奥に揺動可能に配置された作用片１５の爪
１５ａが係合可能に構成されている。この作用片１５は
、給紙カセット２が装着されていない状態では図示しな
いばね等の付勢手段にて時計方向に回動した姿勢となり
、その結果前記爪１５ａにてＬ字状の突起１４を圧縮ば
ね１３に抗して押し下げ、給紙ローラ３とさばきパッド
５との間に隙間が形成されるように構成されている。本
体ケース１の前記給紙ローラ２上部の側部にはカバー１
６が開閉回動可能に配設されている。The body case 1 is attached to one end of the pad holder 4.
A locking portion 8 is formed that clamps the side locking protrusion 7 from both upper and lower sides. The locking protrusion 7 is provided so as to protrude from the upper end of the mounting plate 6 disposed at one end of the main body case 1 toward the contact portion between the paper feed roller 3 and the paper. and,
The engagement between the locking projections 7 and the locking portions 8 locks the pad holder 4 so that it can swing up and down. A notch 9 is formed at the center of the locking portion 8 in the width direction, and engages with a vertical protrusion 10 formed at the center of the locking protrusion 7 in the width direction to hold the pad holder 4 across its width. The device is configured to be positioned in the direction. Reference numeral 11 denotes a paper guide provided protruding from the pad holder 4. Further, a compression spring 13 held by a cylindrical portion 12 is in contact with a spring receiver formed on the mounting plate 6 at the back position of the cleaning pad 5 of the pad holder 4, and the biasing force of the compression spring 13 is applied to the spring receiver formed on the mounting plate 6. A handling pad 5 is pressed against the paper feed roller 3. Furthermore, an L-shaped protrusion 14 is protruded from the back surface of the pad holder 4, and an operating piece is attached to the protrusion 14 so as to be swingable at the back of the paper feeding force set 2 installation space at the bottom of the main body case 1. Fifteen claws 15a are configured to be engageable. When the paper feed cassette 2 is not installed, the action piece 15 is rotated clockwise by a biasing means such as a spring (not shown), and as a result, the L-shaped protrusion 14 is rotated by the claw 15a. It is configured to be pushed down against the compression spring 13 to form a gap between the paper feed roller 3 and the sorting pad 5. A cover 1 is provided on the upper side of the paper feed roller 2 of the main body case 1.
6 is arranged so that it can be rotated to open and close.
以上の構成において、給紙カセット２を装着して給紙ロ
ーラ３を回転駆動すると、給紙カセット２内の上端の用
紙が給紙ローラ３との摩擦により送り出される。用紙が
重送された場合には、給紙ローラ３と用紙とさばきパッ
ド５の間の摩擦係数の差によって用紙が１枚づつ分離さ
れ、給紙ローラ３と用紙ガイド１１の間を通って搬送さ
れる。In the above configuration, when the paper feed cassette 2 is attached and the paper feed roller 3 is driven to rotate, the upper end of the paper in the paper feed cassette 2 is sent out due to friction with the paper feed roller 3. When multiple sheets of paper are fed, the sheets are separated one by one due to the difference in the coefficient of friction between the paper feed roller 3, the paper, and the sorting pad 5, and are transported between the paper feed roller 3 and the paper guide 11. be done.
さばきパッド５が摩耗した場合には、カバー１６を開き
、パッドホルダー４の一端部を給紙ローラ３側に押圧し
で係止突部７と係止部８の係止を解除すれば、簡単にパ
ッドホルダー４を取り出すことができ、さばきパッド５
を取り替えることができる。また、再びパッドホルダー
４を挿入して−ｉ部の係止部８を係止突部７に係止させ
ることによって給紙可能となる。If the sorting pad 5 is worn out, it is easy to do so by opening the cover 16 and pressing one end of the pad holder 4 toward the paper feed roller 3 to release the lock between the locking protrusion 7 and the locking portion 8. The pad holder 4 can be taken out and the handling pad 5 can be removed.
can be replaced. In addition, paper can be fed by inserting the pad holder 4 again and locking the locking portion 8 of the -i portion with the locking protrusion 7.
一方、用紙の搬送中に紙詰まりが生じた場合には、カバ
ー１６を開いて容易′に取り出すことができる。さらに
、紙詰まりを生じた用紙が給紙ローラ３とさばきパッド
５の間に挾まれでいる場合にも、給紙カセット２を引き
抜くことによって、作用片１５が回動してその爪１５ａ
にでパッドホルダー４が押し下げられて給紙ローラ３と
の間に隙間があくため容易に取り出すことができる。ま
た、用紙の先端が給紙ローラ３とさばきパッド５の接触
部近傍まで送り出された状態となっていても、給紙カセ
ット２を引き出すときには、上記の如く必ずパッドホル
ダー４が押し下げられて給紙ローラ３との開に隙間があ
くので、給紙カセット２を抜き出すとこの用紙も内部に
残ることなく引き出され、従って次に給紙カセット２を
装着する際に内部に残った用紙のために給紙不良や紙詰
まりを生ずるということもない。さらに、前記作用片１
５を給紙カセット装着空間の奥部に配置して底部に配設
していないので、この底部に用紙のサイズを検出する検
出器を配設することができる。従って、プリンタがホス
シコンピユータの入力ボードから離れた位置に配置され
ていても、この検出器からの信号によって作動する表示
器で用紙サイズを確認した上でプリンタを作動させるこ
とができ、誤ってサイズの異なる用紙に印字してしまう
というようなことも無くすことができる。On the other hand, if a paper jam occurs while conveying the paper, the cover 16 can be opened and the paper can be easily removed. Furthermore, even if a jammed sheet of paper is caught between the paper feed roller 3 and the sorting pad 5, by pulling out the paper feed cassette 2, the action piece 15 rotates and its claw 15a
Since the pad holder 4 is pushed down and a gap is created between it and the paper feed roller 3, the pad holder 4 can be easily taken out. Furthermore, even if the leading edge of the paper has been fed out to the vicinity of the contact area between the paper feed roller 3 and the sorting pad 5, when the paper feed cassette 2 is pulled out, the pad holder 4 is always pushed down as described above and the paper is fed. There is a gap between the paper feed cassette 2 and the roller 3, so when the paper feed cassette 2 is removed, this paper will also be pulled out without remaining inside. There is no possibility of paper defects or paper jams. Furthermore, the working piece 1
5 is disposed at the back of the paper feed cassette mounting space and not at the bottom, a detector for detecting the size of the paper can be disposed at the bottom. Therefore, even if the printer is located far from the input board of the Hosshi computer, the printer can be operated after checking the paper size on the display that is activated by the signal from this detector. It is also possible to eliminate the problem of printing on paper of different sizes.
本発明は上記実施例に限定されるものではない。The present invention is not limited to the above embodiments.
例えば、前記パッドホルダー４の係止構造として、第３
図（ａ）〜（Ｃ）に示すように、パッドホルダー４の一
端中央部から下向トにＬ字状の係止片２１を突出させる
とともに、本体ケース１側の取付板２３の一端に係合軸
部２４を形成し、前記係止片２１に係合軸部２３を抱持
するように係合部２２ａ、２２ｂを突出させた構造でも
よい。又、第４図（、）〜（ｃ）に示すように、パッド
ホルダー４の一端部の下面から弾性的に縮径可能な係止
軸３１を垂設し、支持板２３にこの係止軸３１が嵌入係
合する係合穴３２を穿設した構造でもよい。さらに、上
記実施例ではパッドホルダー４は本体ケース１側に支持
させ、その上部に形成した開口をカバー１６で覆うよう
にしているが、第５図〜第８図に示すように、本体ケー
ス１の一側を下端部まで開口させてこれを開閉回動自在
なカバー４１で覆うようにし、このカバー４１にパッド
ホルダー４及び圧縮ばね１３を保持させるようにしても
よい。具体的には、第７図及び第８図に示すように、本
体ケース１側に給紙ローラ３の周面との間に間隔をあけ
て通紙〃イド４２を配設するとともにこの通紙がイド４
２にパッドホルダー４が嵌入する開口４３を形成し、か
つこの開口４３の両側に案内突部４４を形成し、一方パ
ッドホルダー４の両側に前記案内突部４４に係合する突
起４５を突設している。そして、カバー４１を開くとそ
れに伴って第８図に示すようにパッドホルダー４が移動
し、パッドホルダー４を簡単に取り出すことができる。For example, as the locking structure of the pad holder 4, a third
As shown in Figures (a) to (C), an L-shaped locking piece 21 projects downward from the center of one end of the pad holder 4, and is engaged with one end of the mounting plate 23 on the main body case 1 side. A structure may be adopted in which a mating shaft portion 24 is formed and the engaging portions 22a and 22b protrude so as to hold the engaging shaft portion 23 on the locking piece 21. Further, as shown in FIGS. 4(a) to (c), a locking shaft 31 that can be elastically contracted in diameter is vertically provided from the bottom surface of one end of the pad holder 4, and this locking shaft is attached to the support plate 23. 31 may be provided with an engagement hole 32 into which the engagement hole 31 is fitted and engaged. Further, in the above embodiment, the pad holder 4 is supported on the main body case 1 side, and the opening formed in the upper part of the pad holder 4 is covered with the cover 16. However, as shown in FIGS. One side of the pad holder 4 may be opened to the lower end and covered with a cover 41 which can be rotated to open and close, and the pad holder 4 and the compression spring 13 may be held by the cover 41. Specifically, as shown in FIGS. 7 and 8, a paper passing id 42 is provided on the main body case 1 side with a space between it and the circumferential surface of the paper feed roller 3, and this paper passing is id 4
An opening 43 into which the pad holder 4 fits is formed in the pad holder 2, and guide protrusions 44 are formed on both sides of the opening 43, and protrusions 45 that engage with the guide protrusions 44 are provided on both sides of the pad holder 4. are doing. When the cover 41 is opened, the pad holder 4 moves as shown in FIG. 8, and the pad holder 4 can be easily taken out.
その際、突起４５が案内突部４４にて案内されることに
よってパッドホルダー４は圧縮ばね１３にて付勢されで
いるにも拘わらず給紙ローラ３や通紙ガイド４２と干渉
することはない。At this time, since the protrusion 45 is guided by the guide protrusion 44, the pad holder 4 does not interfere with the paper feed roller 3 or the paper passing guide 42 even though it is biased by the compression spring 13. .
又、カバー４１を閉じるときにも同様にパッドホルダー
４が通紙〃イド４２や給紙ローラ３に干渉することなく
移動し、かつ閉じた状態で給紙ローラ３に対して圧縮ば
ね１３にてさばきパッド５を圧接させることができる。Also, when the cover 41 is closed, the pad holder 4 similarly moves without interfering with the paper passing id 42 or the paper feed roller 3, and is held against the paper feed roller 3 by the compression spring 13 in the closed state. The handling pad 5 can be brought into pressure contact.
このような構成によれば、さばきパッド５の交換性、紙
詰まり時の作業性、給紙ローラ３の清掃時の作業性が向
上する。According to such a configuration, the replaceability of the handling pad 5, the workability when a paper jam occurs, and the workability when cleaning the paper feed roller 3 are improved.
又、上記実施例できパッドホルダー４の背面にＬ字状の
突起１４を突出させたものを例示したが、パッドホルダ
ー４に作用片１５の爪１５ａが係合する凹部を形成して
も同様の作用が得られることはいうまでもない。Further, although the above embodiment is illustrated in which the L-shaped protrusion 14 protrudes from the back surface of the pad holder 4, the same effect can be obtained even if the pad holder 4 is formed with a recessed portion in which the claw 15a of the action piece 15 engages. Needless to say, it is effective.
（発明の効果）
本発明の給紙装置によれば、以上のようにパッドホルダ
ーをその係止を外すだけで簡単に取り出すことができる
ため、さばきパッドの交換をユーザーにおいても簡単に
、かつ低コストで行うことができる。また、パッドホル
ダーを係止によって取付けているのでスペースをとらず
、そのため紙詰まり処理をスペースの制約を受けずに容
易に行うことができる等、大なる効果を発揮する。(Effects of the Invention) According to the paper feeding device of the present invention, as described above, the pad holder can be easily taken out by simply releasing its lock, so that the user can easily and inexpensively replace the handling pad. It can be done at a cost. Further, since the pad holder is attached by locking, it does not take up much space, and therefore paper jams can be easily cleared without being restricted by space, which provides great effects.
第１図及び第２図は本発明の一実施例を示し、第１図は
側面図、第２図はパッドホルダーの係止部の分解斜視図
、第３図は本発明の第２実施例を示し、同図（、）はパ
ッドホルダーの斜視図、同図（１〕）は取付板の斜視図
、同図（ｃ）は係止状態の断面図、第４図は本発明の第
３実施例を示し、同図（ａ）はパッドホルダーの斜視図
、同図（Ｉ））は取付板の斜視図、同図（ｃ）は係止状
態の断面図、第５図〜第８図は本発明の第３実施例を示
し、第５図は側面図、第６図はパッドホルダーの斜視図
、第７図は通紙〃イドの斜視図、第８図は動作状態の側
面図、第９図は従来例の側面図である。
３・・・・・・・・・給紙ローラ
４・・・・・・・・・パッドホルダー
５・・・・・・・・・さばきパッド
８・・・・・・・・・係止部
１３・・・・・・・・・圧縮ばね
２１・・・・・・・・・係止片
３１・・・・・・・・・係止軸。1 and 2 show one embodiment of the present invention, FIG. 1 is a side view, FIG. 2 is an exploded perspective view of the locking part of the pad holder, and FIG. 3 is a second embodiment of the present invention. , FIG. 4 is a perspective view of the pad holder, FIG. 1 is a perspective view of the mounting plate, FIG. Embodiments are shown; Figure (a) is a perspective view of the pad holder, Figure (I) is a perspective view of the mounting plate, Figure (c) is a sectional view of the locked state, and Figures 5 to 8. 5 shows a third embodiment of the present invention, FIG. 5 is a side view, FIG. 6 is a perspective view of the pad holder, FIG. 7 is a perspective view of the paper feeder, and FIG. 8 is a side view of the operating state. FIG. 9 is a side view of the conventional example. 3... Paper feed roller 4... Pad holder 5... Handling pad 8... Locking part 13......Compression spring 21...Latching piece 31...Latching shaft.
Claims (1)
に接するさばきパッドと、さばきパッドを保持するパッ
ドホルダーと、パッドホルダーの背面を押圧して前記さ
ばきパッドを前記給紙ローラの周面に押圧する圧縮手段
とを備え、前記パッドホルダーの給紙ローラ回転方向の
一端部に、このパッドホルダーを揺動可能にかつ着脱可
能に係止する係止部を設けたことを特徴とする給紙装置
。(1) A paper feed roller that can be rotated, a cutting pad that contacts the circumferential surface of the paper feed roller, a pad holder that holds the paper feed roller, and a pad holder that holds the paper feed roller, and presses the back surface of the pad holder to move the paper feed roller to the paper feed roller. and a compression means for pressing against the peripheral surface, and a locking portion for rockably and detachably locking the pad holder is provided at one end of the pad holder in the rotational direction of the paper feed roller. paper feed device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62038854A JPS63208451A (en) | 1987-02-20 | 1987-02-20 | Paper supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62038854A JPS63208451A (en) | 1987-02-20 | 1987-02-20 | Paper supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63208451A true JPS63208451A (en) | 1988-08-29 |
Family
ID=12536789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62038854A Pending JPS63208451A (en) | 1987-02-20 | 1987-02-20 | Paper supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63208451A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02127333A (en) * | 1988-11-02 | 1990-05-16 | Minolta Camera Co Ltd | Sheet supply device |
| US5269506A (en) * | 1992-09-29 | 1993-12-14 | Hewlett-Packard Company | Paper pick-up system for printers |
| JP2006315832A (en) * | 2005-05-13 | 2006-11-24 | Canon Inc | Sheet feeding device and image forming device |
| JP2009203071A (en) * | 2007-11-08 | 2009-09-10 | Ricoh Co Ltd | Paper feeder, and image forming device |
| US20110127710A1 (en) * | 2009-11-27 | 2011-06-02 | Kyocera Mita Corporation | Feed assembly and image forming apparatus incorporating feed assembly |
| JP2011236042A (en) * | 2010-05-13 | 2011-11-24 | Ricoh Co Ltd | Sheet feeder |
| US9248985B2 (en) | 2013-03-29 | 2016-02-02 | Brother Kogyo Kabushiki Kaisha | Sheet feeding apparatus and image reading apparatus |
| CN110687762A (en) * | 2018-07-06 | 2020-01-14 | 佳能株式会社 | Sheet conveying apparatus, image reading apparatus, and image forming apparatus |
-
1987
- 1987-02-20 JP JP62038854A patent/JPS63208451A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02127333A (en) * | 1988-11-02 | 1990-05-16 | Minolta Camera Co Ltd | Sheet supply device |
| US5269506A (en) * | 1992-09-29 | 1993-12-14 | Hewlett-Packard Company | Paper pick-up system for printers |
| JP2006315832A (en) * | 2005-05-13 | 2006-11-24 | Canon Inc | Sheet feeding device and image forming device |
| JP2009203071A (en) * | 2007-11-08 | 2009-09-10 | Ricoh Co Ltd | Paper feeder, and image forming device |
| US8240657B2 (en) | 2007-11-08 | 2012-08-14 | Ricoh Company, Ltd. | Sheet feeding device and image forming apparatus |
| US20110127710A1 (en) * | 2009-11-27 | 2011-06-02 | Kyocera Mita Corporation | Feed assembly and image forming apparatus incorporating feed assembly |
| US8500115B2 (en) * | 2009-11-27 | 2013-08-06 | Kyocera Mita Corporation | Feed assembly and image forming apparatus incorporating feed assembly |
| US8757613B2 (en) | 2009-11-27 | 2014-06-24 | Kyocera Document Solutions Inc. | Feed assembly and image forming apparatus incorporating feed assembly |
| JP2011236042A (en) * | 2010-05-13 | 2011-11-24 | Ricoh Co Ltd | Sheet feeder |
| US9248985B2 (en) | 2013-03-29 | 2016-02-02 | Brother Kogyo Kabushiki Kaisha | Sheet feeding apparatus and image reading apparatus |
| CN110687762A (en) * | 2018-07-06 | 2020-01-14 | 佳能株式会社 | Sheet conveying apparatus, image reading apparatus, and image forming apparatus |
| CN110687762B (en) * | 2018-07-06 | 2022-05-31 | 佳能株式会社 | Sheet conveying apparatus, image reading apparatus, and image forming apparatus |
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