JPH0489724A - Paper feed device - Google Patents
Paper feed deviceInfo
- Publication number
- JPH0489724A JPH0489724A JP2205694A JP20569490A JPH0489724A JP H0489724 A JPH0489724 A JP H0489724A JP 2205694 A JP2205694 A JP 2205694A JP 20569490 A JP20569490 A JP 20569490A JP H0489724 A JPH0489724 A JP H0489724A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- vertical
- horizontal
- tray
- stacking plate
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 43
- 210000000078 claw Anatomy 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、例えば複写機に備えられ、用紙を収容する回
転用紙トレイが用紙の縦送り位置と横送り位置とに回転
可能な給紙装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a paper feeding device that is provided in a copying machine, for example, and in which a rotary paper tray that accommodates paper can be rotated between a vertical paper feeding position and a horizontal paper feeding position. It is related to.
従来、例えば複写機には、用紙を供給するための給紙装
置が備えられている。この種の給紙装置には、用紙を収
容する用紙トレイが縦送り位置とこの縦送り位置から９
０°回転した横送り位置とに回転可能なものがある。こ
のような給紙装置では、給紙の際に、回転用紙トレイに
おける用紙の積載された用紙積載板が、駆動機構と連結
されたリフト板にて駆動されることにより用紙が上限検
知スイッチにて検知される上限位置まで上昇すると共に
、呼び込みローラ方式の給紙方式により給紙が行われる
ようになっている。2. Description of the Related Art Conventionally, for example, a copying machine is equipped with a paper feeding device for feeding paper. This type of paper feeding device has a paper tray that stores paper at a vertical feed position and a paper tray that holds paper at a vertical feed position.
There are some types that can be rotated to the horizontal feed position rotated by 0°. In such a paper feeding device, when feeding paper, the paper stacking plate on which paper is stacked in the rotating paper tray is driven by a lift plate connected to a drive mechanism, so that the paper reaches the upper limit detection switch. As soon as the paper is raised to the detected upper limit position, the paper is fed by a pull-in roller type paper feeding method.
ところが、上記従来の構成では、リフト板を駆動する駆
動機構に、電磁クラッチおよびギヤ等の多数の駆動伝達
手段が必要であると共に、駆動機構を制御するために用
紙の上限位置および下限位置等を検出する多数のセンサ
が必要となるため、構造の複雑化とコストアップを招来
するものとなっている。However, in the conventional configuration described above, the drive mechanism that drives the lift plate requires a large number of drive transmission means such as electromagnetic clutches and gears, and in addition, it is necessary to control the upper and lower limit positions of the paper in order to control the drive mechanism. Since a large number of sensors are required for detection, the structure becomes complicated and costs increase.
本発明の給紙装置は、上記の課題を解決するために、ト
レイ収容部材内に、用紙の縦送り位置および横送り位置
に回転可能な回転用紙トレイが設けられ、この回転用紙
トレイは用紙が積載される用紙積載板を用紙積載板収容
部材内に有し、上記の用紙積載板には、回転用紙トレイ
が縦送り位置に配されている場合の給紙方向とは反対側
の端縁部に縦送り側係合部が形成され、回転用紙トレイ
が横送り位置に配されている場合の給紙方向側とは反対
側の端縁部に横送り側係合部が形成され、これら縦およ
び横送り側係合部が、用紙積載板収容部材に形成された
対応する各係合受部にて回動自在かつ昇降自在に支持さ
れている給紙装置において、以下の手段を講じている。In order to solve the above-mentioned problems, the paper feeding device of the present invention includes a rotating paper tray that can be rotated to a vertical paper feeding position and a horizontal paper feeding position in a tray housing member, and this rotating paper tray is provided with a rotating paper tray that can rotate the paper to a vertical feeding position and a horizontal feeding position. A paper stacking plate to be loaded is included in the paper stacking plate housing member, and the paper stacking plate has an edge portion on the opposite side to the paper feeding direction when the rotating paper tray is arranged in the vertical feeding position. A vertical feed-side engaging portion is formed on the edge of the rotary paper tray on the opposite side to the paper feeding direction when the rotating paper tray is placed in the horizontal feed position. The following measures are taken in a paper feeding device in which the horizontal feed side engagement portion is supported rotatably and freely up and down by corresponding engagement receiving portions formed on the paper stacking plate housing member. .
即ち、上記の用紙積載板と用紙積載板収容部材との間に
は、用紙積載板を上方へ押し上げる弾性部材、例えばコ
イルばねが配され、トレイ収容部材には縦送り側案内部
材と横送り側案内部材とが設けられ、用紙積載板収容部
材には、回転用紙トレイが縦送り位置に配されたときに
、縦送り側案内部材に案内されて変位する縦送り側変位
部材と、回転用紙トレイが横送り位置に配されたときに
、横送り側案内部材に案内されて変位する横送り側変位
部材とが設けられ、縦送り側変位部材と用紙積載板の縦
送り側係合部との間、および横送り側変位部材と横送り
側係合部との間には、それぞれ、これら対応する変位部
材と係合部とを連結する連結部材、例えばワイヤを備え
て変位部材の変位を係合部を下方へ引き下げる力として
伝達する変位伝達手段が設けられている。That is, an elastic member, such as a coil spring, for pushing up the paper stacking plate is disposed between the paper stacking plate and the paper stacking plate housing member, and the tray housing member has a vertical feed side guide member and a horizontal feed side guide member. A guide member is provided, and the paper stacking plate housing member includes a vertical feed side displacement member that is guided by the vertical feed side guide member and is displaced when the rotating paper tray is placed in the vertical feed position, and a rotating paper tray. A horizontal feeding side displacement member is provided which is guided by the horizontal feeding side guide member and displaced when the sheet is placed in the horizontal feeding position, and the vertical feeding side displacement member and the vertical feeding side engaging portion of the sheet stacking plate are connected to each other. A connecting member, such as a wire, for connecting the corresponding displacement member and the engaging portion is provided between the traversing side displacement member and the traversing side engaging portion, respectively, to engage the displacement of the displacement member. Displacement transmitting means is provided for transmitting a force that pulls down the joint.
上記の構成によれば、用紙積載板は弾性部材によって上
方へ押し上げられている。ここで、例えば、回転用紙ト
レイが横送り位置に配されると、用紙積載板収容部材に
設けられた横送り側変位部材が横送り側案内部材に案内
されて変位する。この横送り側変位部材の変位は、変位
伝達手段より用紙積載板の横送り側係合部を下方へ引き
下げる力として伝達される。従って、横送り側係合部が
、弾性部材による上方への付勢力に抗し、用紙積載板収
容部材の係合受部に案内されて下方へ引下げられる。そ
の結果、用紙積載板は給紙方向側が上昇し、給紙可能な
状態となる。以上の動作は回転用紙トレイが縦送り位置
に配された場合も同様である。According to the above configuration, the paper stacking plate is pushed upward by the elastic member. Here, for example, when the rotary paper tray is placed at the lateral feeding position, the lateral feeding side displacement member provided on the paper stacking plate housing member is guided by the lateral feeding side guide member and displaced. This displacement of the traverse-feed side displacement member is transmitted by the displacement transmission means as a force that pulls down the traverse-feed side engaging portion of the paper stacking plate. Therefore, the cross-feeding side engaging portion resists the upward biasing force of the elastic member and is guided by the engaging receiving portion of the paper stacking plate housing member and pulled downward. As a result, the paper stacking plate moves upward in the paper feeding direction, and becomes ready for paper feeding. The above operation is the same when the rotary paper tray is placed in the vertical feeding position.
また、変位伝達手段の連結部材に可撓性があり自由度の
大きいワイヤを使用した場合には、縦あるいは横送り側
変位部材の変位を確実に用紙積載板の縦あるいは横送り
側係合部に伝達することができると共に、変位伝達手段
の構造が簡単なものとなる。In addition, when a flexible wire with a large degree of freedom is used as the connection member of the displacement transmission means, the displacement of the displacement member on the vertical or horizontal feeding side can be reliably controlled by the vertical or horizontal feeding side engagement part of the paper stacking plate. In addition, the structure of the displacement transmitting means is simple.
本発明の一実施例を第１図ないし第５図に基づいて以下
に説明する。An embodiment of the present invention will be described below with reference to FIGS. 1 to 5.
本発明に係る給紙装置は、第１図に示す回転用紙トレイ
ユニット１を備えている。この回転用紙トレイユニット
１は、回転用紙トレイユニット１の筐体部をなすトレイ
収容部材としてのトレイ収容箱３、およびこのトレイ収
容箱３内に収容された回転用紙トレイ４を有し、給紙装
置本体２に対してＡ−Ａ′力方向着脱自在に設けられて
いる。A paper feeding device according to the present invention includes a rotary paper tray unit 1 shown in FIG. This rotary paper tray unit 1 has a tray housing box 3 as a tray housing member forming a housing of the rotary paper tray unit 1, and a rotary paper tray 4 housed in this tray housing box 3, It is detachably attached to the device main body 2 in the A-A' force direction.
上記の給紙装置本体２は、回転用紙トレイ４を回転させ
るための動力源となるモータ５を有し、このモータ５の
動力がギヤ６・７、減速機構８、回転軸９およびカップ
リングクラッチ１０を介して、回転用紙トレイユニット
１側の回転送り軸１１へ伝達されるようになっている。The paper feeding device main body 2 has a motor 5 that serves as a power source for rotating a rotating paper tray 4, and the power of this motor 5 is transmitted to gears 6 and 7, a reduction mechanism 8, a rotating shaft 9, and a coupling clutch. 10, it is transmitted to the rotary feed shaft 11 on the rotary paper tray unit 1 side.
回転用紙トレイユニット１のトレイ収容箱３におけるＡ
方向側、即ち給紙装置本体２側の端面には、装着時の案
内軸１２が設けられ、回転送り軸１１の一端部が、上記
のカップリングクラッチ１０と嵌合可能に突設されてい
る。上記の回転送り軸１１は、表面に後述の移動片１３
送り用のねじを有し、トレイ収容箱３の給紙側であるＢ
方向側の端部において、回転可能にＡ−Ａ’力方向設け
られている。回転送り軸１１には回転送り軸１１の回転
に伴って回転送り軸ｌｌ上を移動する移動片１３が螺着
され、この移動片１３は回転用紙トレイ４の一角部と連
結されている。移動片１３には第２図にも示す遮光板１
４が設けられ、この遮光板１４が、回転送り軸１１に沿
って設けられた同図に示す光学式の横送り位置センサ１
５あるいはこの横送り位置センサ１５とは反対のＡ方向
側に設けられた第５図に示す縦送り位置センサ１６によ
って検出されることにより、回転用紙トレイ４が横送り
位置あるいは縦送り位置にあるのが検出されるようにな
っている。A in the tray storage box 3 of the rotating paper tray unit 1
A guide shaft 12 at the time of installation is provided on the end surface on the direction side, that is, on the paper feeder main body 2 side, and one end of the rotary feed shaft 11 is provided to protrude so as to be able to fit with the above-mentioned coupling clutch 10. . The rotary feed shaft 11 has a moving piece 13 (described later) on the surface thereof.
B has a feeding screw and is on the paper feed side of the tray storage box 3.
At the end on the direction side, it is rotatably provided in the AA' force direction. A movable piece 13 that moves on the rotary feed shaft 11 as the rotary feed shaft 11 rotates is screwed onto the rotary feed shaft 11, and this movable piece 13 is connected to one corner of the rotary paper tray 4. The movable piece 13 has a light shielding plate 1 shown in FIG.
4 is provided, and this light shielding plate 14 connects to the optical transverse feed position sensor 1 shown in the figure, which is provided along the rotation feed shaft 11.
5 or the vertical feed position sensor 16 shown in FIG. is now detected.
回転用紙トレイ４は、第１図に示すように、用紙積載板
収容部材としての外箱１７の中に用紙積載板１８を有し
ている。この用紙積載板１８は、上記の移動片１３との
連結部位と対向する一角部に形成された支持部１９にて
外箱１７に一点支持されている。この支持部１９は、第
３図に示すように、用紙積載板１８の立上り突片１８ａ
と、この立上り突片１８ａ上に設けられたコイルばね５
１およびワッシャ５２と、これらワッシャ５１、コイル
ばね５２および立上り突片１８ａに挿通され、外箱１７
に螺着された支持ねじ５３等から構成されている。また
、用紙積載板１８は、用紙の縦送りおよび横送りの際の
給紙方向（Ｂ方向）とは反対側であるＢ′力方向端縁部
が、それぞれ、縦送り支持部２０および横送り支持部２
１にて上下方向へ回動自在かつ摺動自在に支持されてい
る。As shown in FIG. 1, the rotary paper tray 4 has a paper stacking plate 18 in an outer box 17 that serves as a paper stacking plate housing member. This paper stacking plate 18 is supported at one point on the outer box 17 by a support portion 19 formed at one corner opposite to the connection portion with the movable piece 13 described above. As shown in FIG.
And the coil spring 5 provided on this rising protrusion 18a
1 and the washer 52, and the outer box 17
The support screw 53 is screwed into the support screw 53 and the like. Further, the paper stacking plate 18 has edges in the B' force direction opposite to the paper feeding direction (B direction) when vertically feeding and horizontally feeding the paper, respectively, at the vertical feeding support portion 20 and the horizontal feeding direction. Support part 2
1 so as to be rotatable and slidable in the vertical direction.
即ち、これら縦および横送り支持部２０・２１において
は、用紙積載板１８に形成された対向片１８ｂ・１８ｂ
間に縦送り側係合部および横送り側係合部としての回転
支持軸２５が横設され、この回転支持軸２５が外箱１７
に対向配置に設けられた係合受部としての軸支持部材２
６の切欠き部２６ａに回動自在かつ摺動自在に支持され
たものとなっている。That is, in these vertical and horizontal feed support parts 20 and 21, opposing pieces 18b and 18b formed on the paper stacking plate 18
A rotary support shaft 25 serving as a vertical feed side engaging portion and a horizontal feed side engaging portion is installed horizontally between them, and this rotary support shaft 25 is connected to the outer box 17.
A shaft support member 2 serving as an engagement receiving portion provided oppositely to the
It is rotatably and slidably supported by the notch 26a of No. 6.
回転用紙トレイ４の外箱１７には、第１図に示すように
、用紙を位置決めするための３個の用紙位置決め板５４
・・・が設けられ、これら各用紙位置決め板５４には、
回転用紙１−レイ４が縦および横送り位置に配された場
合の用紙のＢ方向側の両角部に対応する部位に、用紙の
角部を係止する爪部材５５が上下方向へ摺動自在に設け
られている。As shown in FIG. 1, the outer box 17 of the rotating paper tray 4 has three paper positioning plates 54 for positioning the paper.
... are provided, and each of these paper positioning plates 54 has a
A claw member 55 that locks the corner of the paper is slidable in the vertical direction at a portion corresponding to both corners of the paper in the B direction when the rotating paper 1-ray 4 is placed in the vertical and horizontal feeding positions. It is set in.
また、外箱１７の裏面には、回転支持板２３の一端部が
連結され、この回転支持板２３の他端部はトレイ収容箱
３上の取付は板２４と連結されている。Further, one end of a rotary support plate 23 is connected to the back surface of the outer box 17, and the other end of this rotary support plate 23 is connected to a plate 24 mounted on the tray storage box 3.
外箱１７と用紙積載板１８との間には弾性部材としての
３個のコイルばね２７〜２９が設けられ、これらコイル
ばね２７〜２９によって用紙積載板１８が上方へ押し上
げられている。コイルばね２７は、はぼ移動片１３と支
持部１９とを結ぶ仮想直線上における支持部１９寄り部
位に設けられ、コイルばね２８は、回転用紙トレイ４が
第１図に示す横送り位置にある場合におけるＡ“方向側
端部付近のＢ゛方向寄り部位に設けられ、コイルばね２
９は、回転用紙トレイ４が第５図に示す縦送り位置にあ
る場合におけるＢ方向側端部付近のＡ“方向寄り部位に
設けられている。Three coil springs 27 to 29 as elastic members are provided between the outer box 17 and the paper stacking plate 18, and the paper stacking plate 18 is pushed upward by these coil springs 27 to 29. The coil spring 27 is provided at a position closer to the support part 19 on the virtual straight line connecting the movable piece 13 and the support part 19, and the coil spring 28 is installed when the rotating paper tray 4 is in the horizontal feeding position shown in FIG. In this case, the coil spring 2
Reference numeral 9 is provided at a position closer to the A" direction near the end on the B direction when the rotary paper tray 4 is in the vertical feeding position shown in FIG.
外箱１７の底壁における横送り支持部２１の近傍部位に
は、第１図に示すように、回転用紙トレイ４が横送り位
置にある状態においてＢ−Ｂ’力方向延びる横送り側第
１案内穴３６が形成され、この横送り韮１１第１案内穴
３６の側方には、はぼＡＡ′方向へ延びる横送り側第２
案内穴３７が形成されている。上記の横送り側第１案内
穴３６には横送り側変位部材である横送り側リフトスラ
イド板３８の一端部に設けられた第１案内ピン３９が配
され、横送り側第２案内穴３７には、横送り側リフトス
ライド板３８のほぼ中央部に設けられた第２案内ピン４
０が配されている。横送り側リフトスライド板３８の他
端部には係合ピン４１が設けられている。上記の第１案
内ピン３９には、第２図および第４図にも示すように二
連活部材であるワイヤ４２の一端部が接続され、このワ
イヤ４２の他端部はローラ４３を介して引張りばね４４
の一端部と接続されている。これらワイヤ４２、ローラ
４３および引張りばね４４によって変位伝達手段５７が
構成されている。上記の引張りばね４４の他端部は横送
り支持部２１の回転支持軸２５と連結されている。そし
て、横送り側リフトスライド板３Ｂは、回転用紙トレイ
４が回転して横送り位置に配されたときに、係合ピン４
１がトレイ収容箱３の底壁上のＡ−Ａ”方向に設けられ
た横送り側案内部材としての案内リブ４９に沿って移動
することにより、横送り側第１および第２案内穴３６・
３７に案内されてＣ方向へ回動するようになっている。As shown in FIG. 1, in a portion of the bottom wall of the outer box 17 near the cross-feeding support portion 21, there is a first cross-feeding side which extends in the B-B' force direction when the rotary paper tray 4 is in the cross-feeding position. A guide hole 36 is formed, and on the side of the first guide hole 36 of the cross-feeding bar 11, a second cross-feed side hole extending in the direction AA' is formed.
A guide hole 37 is formed. A first guide pin 39 provided at one end of the traversing side lift slide plate 38 which is a traversing side displacement member is disposed in the above-mentioned lateral feeding side first guide hole 36 , and the lateral feeding side second guide hole 37 , a second guide pin 4 provided approximately in the center of the traverse-feed side lift slide plate 38 is provided.
0 is placed. An engagement pin 41 is provided at the other end of the traverse-side lift slide plate 38. As shown in FIGS. 2 and 4, one end of a wire 42 is connected to the first guide pin 39, and the other end of the wire 42 is connected to the first guide pin 39 via a roller 43. Tension spring 44
is connected to one end of the These wires 42, rollers 43, and tension springs 44 constitute a displacement transmitting means 57. The other end of the tension spring 44 is connected to the rotation support shaft 25 of the lateral feed support section 21 . Then, when the rotating paper tray 4 is rotated and placed in the horizontal feeding position, the horizontal feeding side lift slide plate 3B holds the engaging pin 4.
1 moves along a guide rib 49 as a traverse-feeding guide member provided in the A-A'' direction on the bottom wall of the tray storage box 3, thereby opening the first and second traverse-feeding guide holes 36 and 36.
37 to rotate in the C direction.
同様に、外箱１７の底壁における縦送り支持部２０の近
傍部位には、第５図に示すように、回転用紙トレイ４が
縦送り位置にある状態においてＢＢ”方向へ延びる縦送
り側第１案内穴３０と、はぼＡ−Ａ”方向へ延びる縦送
り側第２案内穴３１とが形成され、縦送り側第１案内穴
３０には縦送り側変位部材である縦送り側リフトスライ
ド板３２の第１案内ピン３３が配され、縦送り側第２案
内穴３１には第２案内ピン３４が配され、縦送り側リフ
トスライド板３２の他端部には係合ピン３５が設けられ
ている。上記の第１案内ピン３３には、同様に、ワイヤ
４２の一端部が接続され、このワイヤ４２の他端部は引
張りばね４４を介して縦送り支持部２０の回転支持軸２
５と連結されている。そして、縦送り側リフトスライド
板３２は、回転用紙トレイ４が縦送り位置に配されたと
きに、係合ピン３５がトレイ収容箱３の底壁上にＡ−Ａ
’力方向設けられた案内リブ４５に沿って移動すること
により、縦送り側第１および第２案内穴３０・３１に案
内されてＣ方向へ回動するようになっている。Similarly, as shown in FIG. 5, in the bottom wall of the outer box 17 near the vertical feed support section 20, there is a vertical feed side groove extending in the BB'' direction when the rotary paper tray 4 is in the vertical feed position. 1 guide hole 30 and a vertical feed side second guide hole 31 extending in the direction A-A'' are formed, and the vertical feed side first guide hole 30 has a vertical feed side lift slide which is a vertical feed side displacement member. A first guide pin 33 of the plate 32 is provided, a second guide pin 34 is provided in the second guide hole 31 on the vertical feed side, and an engagement pin 35 is provided on the other end of the lift slide plate 32 on the vertical feed side. It is being Similarly, one end of a wire 42 is connected to the first guide pin 33, and the other end of the wire 42 is connected to the rotation support shaft 2 of the vertical feed support section 20 via a tension spring 44.
It is connected with 5. The vertical feed side lift slide plate 32 is arranged such that when the rotary paper tray 4 is placed in the vertical feed position, the engagement pin 35 is placed on the bottom wall of the tray storage box 3 from A to A.
By moving along the guide rib 45 provided in the force direction, it is guided by the first and second guide holes 30 and 31 on the vertical feed side and rotates in the C direction.
上記の構成において、回転用紙トレイユニット１が給紙
装置本体２に装着されると、回転送り軸１１がカップリ
ングクラッチ１０と嵌合し、モータ５の動力によって回
転送り軸１１が回転可能となる。In the above configuration, when the rotary paper tray unit 1 is attached to the paper feeder main body 2, the rotary feed shaft 11 is engaged with the coupling clutch 10, and the rotary feed shaft 11 becomes rotatable by the power of the motor 5. .
ここで、回転用紙トレイ４が、第１図に示すように、横
送り位置に配されている場合には、第４図にも示すよう
に、横送り側リフトスライド板３８の係合ピン４１が案
内リブ４９と係合してＢ′力方向押された状態となり、
横送り側リフトスライド板３８は横送り側第１および第
２案内穴３６・３７に案内されてＣ方向へ回動している
。従って、ワイヤ４２がＢ方向へ引っ張られ、引張りば
ね４４を介して横送り支持部２１の回転支持軸２５が軸
支持部材２６の切欠き部２６ａに案内されて下方へ引き
下げられる。これにより、用紙積載板１８におけるＢ方
向側部位は、第２図に示すように、用紙積載板１８上の
用紙５６が爪部材５５と当接する位置まで上昇し、給紙
可能となる。Here, when the rotary paper tray 4 is arranged in the horizontal feed position as shown in FIG. 1, the engagement pin 41 of the horizontal feed side lift slide plate 38 engages with the guide rib 49 and is pushed in the B′ force direction,
The lateral feed side lift slide plate 38 is guided by the lateral feed side first and second guide holes 36 and 37 and rotates in the C direction. Therefore, the wire 42 is pulled in the direction B, and the rotation support shaft 25 of the lateral feed support section 21 is guided by the notch 26a of the shaft support member 26 via the tension spring 44 and pulled down. As a result, the portion of the paper stacking plate 18 on the B direction side rises to a position where the paper 56 on the paper stacking plate 18 comes into contact with the claw member 55, as shown in FIG. 2, and paper can be fed.
このとき、縦送り側リフトスライド板３２は、第１案内
ピン３３がワイヤ４２を介して引張りばね４４により引
っ張られていることにより、縦送り側第１および第２案
内穴３０・３１に案内されて、Ｃ゛方向回動した位置に
配されている。At this time, the vertical feed side lift slide plate 32 is guided to the vertical feed side first and second guide holes 30 and 31 by the first guide pin 33 being pulled by the tension spring 44 via the wire 42. It is arranged at a position rotated in the C' direction.
次に、モータ５が回転用紙トレイ４を縦送り位置に配す
る方向へ回転すると、回転送り軸１１の回転によって移
動片１３がＡ方向へ送られ、回転用紙トレイ４が上記の
横送り位置から縦送り位置方向への回転を開始する。こ
れ伴い、横送り側リフトスライド板３８の係合ピン４１
が案内リブ４９と離間し、第１案内ピン３９がワイヤ４
２を介して引張りばね４４によって引かれることにより
、横送り側リフトスライド板３８は、第１図に二点鎖線
で示すように、横送り側第１および第２案内穴３６・３
７に案内されて移動し、用紙積載板１８のＢ方向側端縁
部とほぼ平行な状態となる。Next, when the motor 5 rotates in a direction to place the rotary paper tray 4 in the vertical feed position, the rotation of the rotary feed shaft 11 causes the movable piece 13 to be sent in the direction A, and the rotary paper tray 4 is moved from the horizontal feed position. Starts rotation in the direction of the vertical feed position. Along with this, the engagement pin 41 of the lateral feed side lift slide plate 38
is separated from the guide rib 49, and the first guide pin 39 is separated from the wire 4.
2 by the tension spring 44, the traverse-feed side lift slide plate 38 is pulled by the traverse-feed side first and second guide holes 36 and 3, as shown by the two-dot chain line in FIG.
7 and moves to a state substantially parallel to the edge of the paper stacking plate 18 on the B direction side.
上記の状態から回転用紙トレイ４がさらに回転し、第５
図に示すように、縦送り位置に達すると、縦送り側リフ
トスライド板３２の係合ピン３５が案内リブ４５と係合
してＢ”方向へ押され、縦送り側リフ１−スライド板３
２は、二点鎖線で示す状態から横送り側第１および第２
案内穴３０・３１に案内されてＣ方向へ回動し、実線で
示す状態となる。従って、ワイヤ４２がＢ方向へ引っ張
られ、引張りばね４４を介して縦送り支持部２０の回転
支持軸２５が軸支持部材２６の切欠き部２６ａに案内さ
れて下方へ引き下げられる。これにより、用紙積載板１
８におけるＢ方向側部位は、用紙積載板１８上の用紙５
６が爪部材５５と当接する位置まで上昇し、給紙可能と
なる。The rotating paper tray 4 further rotates from the above state, and the fifth
As shown in the figure, when the vertical feeding position is reached, the engagement pin 35 of the vertical feeding side lift slide plate 32 engages with the guide rib 45 and is pushed in the direction B'', and the vertical feeding side lift 1-slide plate 3
2, from the state shown by the two-dot chain line to the first and second side feed side
It is guided by the guide holes 30 and 31 and rotates in the direction C, resulting in the state shown by the solid line. Therefore, the wire 42 is pulled in the direction B, and the rotation support shaft 25 of the vertical feed support section 20 is guided by the notch 26a of the shaft support member 26 via the tension spring 44 and pulled down. As a result, the paper loading plate 1
The part on the B direction side in 8 is the paper 5 on the paper stacking plate 18.
6 rises to a position where it comes into contact with the claw member 55, and paper can be fed.
本発明の給紙装置は、以上のように、用紙積載板と用紙
積載板収容部材との間に、用紙積載板を上方へ押し上げ
る弾性部材が配され、トレイ収容部材には縦送り側案内
部材と横送り側案内部材とが設けられ、用紙積載板収容
部材には、回転用紙トレイが縦送り位置に配されたとき
に、縦送り側案内部材に案内されて変位する縦送り側変
位部材と、回転用紙トレイが横送り位置に配されたとき
に、横送り側案内部材に案内されて変位する横送り側変
位部材とが設けられ、縦送り側変位部材と用紙積載板の
縦送り側係合部との間、および横送り側変位部材と横送
り側係合部との間には、それぞれ、これら対応する変位
部材と係合部とを連結する連結部材を備えて変位部材の
変位を係合部を下方へ引き下げる力として伝達する変位
伝達手段が設けられている構成である。As described above, in the paper feeding device of the present invention, an elastic member that pushes up the paper stacking plate upward is disposed between the paper stacking plate and the paper stacking plate housing member, and a vertical feed side guide member is provided on the tray housing member. and a horizontal feed side guide member, and the paper stacking plate housing member includes a vertical feed side displacement member that is guided and displaced by the vertical feed side guide member when the rotating paper tray is placed in the vertical feed position. , a horizontal feeding side displacement member is provided which is guided by the horizontal feeding side guide member and displaced when the rotating paper tray is placed in the horizontal feeding position, and the vertical feeding side displacement member and the vertical feeding side engagement member of the paper loading plate are provided. A connecting member is provided between the connecting portion and between the traverse-feed side displacement member and the traverse-feed side engagement portion, respectively, to connect the corresponding displacement member and the engagement portion to control the displacement of the displacement member. This configuration is provided with a displacement transmitting means that transmits a force that pulls down the engaging portion.
これにより、複雑な駆動機構および多種のセンサを使用
することなく、用紙積載板が縦および横送り位置に配さ
れたときにその昇降を確実に行うことができ、構造の簡
略化とコストダウンとを図ることかできる。This makes it possible to reliably raise and lower the paper loading plate when it is placed in the vertical and horizontal feed positions without using a complicated drive mechanism or various types of sensors, simplifying the structure and reducing costs. It is possible to aim for
また、変位伝達手段の連結部材に可撓性があり自由度の
大きいワイヤを使用した場合には、縦あるいは横送り側
変位部材の変位を確実に用紙積載板の縦あるいは横送り
側係合部に伝達することができると共に、さらに変位伝
達手段の構造を簡単なものにすることができるという効
果を奏する。In addition, when a flexible wire with a large degree of freedom is used as the connection member of the displacement transmission means, the displacement of the displacement member on the vertical or horizontal feeding side can be reliably controlled by the vertical or horizontal feeding side engagement part of the paper stacking plate. This has the effect that the displacement transmission means can be transmitted to the target and the structure of the displacement transmission means can be simplified.
第１図ないし第５図は本発明の一実施例を示すものであ
る。
第１図は回転用紙トレイが横送り位置に配されている状
態の回転用紙トレイユニットを示す平面図である。
第２図は同状態における回転用紙トレイの縦断面図であ
る。
第３図は同状態における回転用紙トレイの要部を示す斜
視図である。
第４図は同状態において横送り側リフトスライド板によ
り回転支持軸が引き下げられる構造を示す概略の斜視図
である。
第５図は回転用紙トレイが縦送り位置に配されている状
態の回転用紙トレイユニットを示す平面図である。
１は回転用紙トレイユニット、２は給紙装置本体、３は
トレイ収容箱（トレイ収容部材）、４ば回転用紙トレイ
、１１は回転送り軸、１７は外箱（用紙積載板収容部材
）、１９は支持部、２０は縦送り支持部、２１は横送り
支持部、２５は回転支持軸（縦送り側係合部、横送り側
係合部）、２６は軸支持部材（係合受部）、２７・２８
・２９はコイルばね（弾性部材）、３２は縦送り側リフ
トスライド板（縦送り側変位部材）、３３・３９は第１
案内ビン、３４・４０は第２案内ビン、３５・４１は係
合ビン、３６は横送り側第１案内穴、３７は横送り側第
２案内穴、３８は横送り側リフトスライド板（横送り側
変位部材）、４２はワイヤ（連結部材）、４４は引張り
ばね、４５は案内リブ（縦送り側案内部材）、４９は案
内リブ（横送り側案内部材）、５７は変位伝達手段であ
る。1 to 5 show one embodiment of the present invention. FIG. 1 is a plan view showing the rotary paper tray unit in a state where the rotary paper tray is placed in the horizontal feed position. FIG. 2 is a longitudinal sectional view of the rotary paper tray in the same state. FIG. 3 is a perspective view showing the main parts of the rotary paper tray in the same state. FIG. 4 is a schematic perspective view showing a structure in which the rotation support shaft is pulled down by the traverse-feed side lift slide plate in the same state. FIG. 5 is a plan view showing the rotary paper tray unit with the rotary paper tray placed in the vertical feed position. 1 is a rotating paper tray unit, 2 is a paper feeding device main body, 3 is a tray storage box (tray storage member), 4 is a rotating paper tray, 11 is a rotational feed shaft, 17 is an outer box (paper stacking plate storage member), 19 20 is a support part, 20 is a vertical feed support part, 21 is a horizontal feed support part, 25 is a rotation support shaft (vertical feed side engagement part, lateral feed side engagement part), 26 is a shaft support member (engagement receiving part) , 27・28
・29 is a coil spring (elastic member), 32 is a vertical feed side lift slide plate (vertical feed side displacement member), 33 and 39 are the first
Guide bins, 34 and 40 are second guide bins, 35 and 41 are engagement bins, 36 is the first guide hole on the side feed side, 37 is the second guide hole on the side feed side, 38 is the side feed side lift slide plate (the side 42 is a wire (connection member), 44 is a tension spring, 45 is a guide rib (vertical feed side guide member), 49 is a guide rib (horizontal feed side guide member), 57 is a displacement transmitting means .
Claims (1)
り位置に回転可能な回転用紙トレイが設けられ、この回
転用紙トレイは用紙が積載される用紙積載板を用紙積載
板収容部材内に有し、上記の用紙積載板には、回転用紙
トレイが縦送り位置に配されている場合の給紙方向とは
反対側の端縁部に縦送り側係合部が形成され、回転用紙
トレイが横送り位置に配されている場合の給紙方向側と
は反対側の端縁部に横送り側係合部が形成され、これら
縦および横送り側係合部が、用紙積載板収容部材に形成
された対応する各係合受部にて回動自在かつ昇降自在に
支持されている給紙装置において、 上記の用紙積載板と用紙積載板収容部材との間には、用
紙積載板を上方へ押し上げる弾性部材が配され、トレイ
収容部材には縦送り側案内部材と横送り側案内部材とが
設けられ、用紙積載板収容部材には、回転用紙トレイが
縦送り位置に配されたときに、縦送り側案内部材に案内
されて変位する縦送り側変位部材と、回転用紙トレイが
横送り位置に配されたときに、横送り側案内部材に案内
されて変位する横送り側変位部材とが設けられ、縦送り
側変位部材と用紙積載板の縦送り側係合部との間、およ
び横送り側変位部材と横送り側係合部との間には、それ
ぞれ、これら対応する変位部材と係合部とを連結する連
結部材を備えて変位部材の変位を係合部を下方へ引き下
げる力として伝達する変位伝達手段が設けられているこ
とを特徴とする給紙装置。 ２、上記の変位伝達手段の連結部材は、ワイヤからなる
ことを特徴とする請求項第１項記載の給紙装置。[Claims] 1. A rotating paper tray that can be rotated to a vertical paper feeding position and a horizontal paper feeding position is provided in the tray storage member, and this rotating paper tray is configured to carry a paper stacking board on which paper is loaded. The paper stacking plate has a vertical feed side engaging portion formed in the edge portion on the opposite side to the paper feeding direction when the rotating paper tray is arranged in the vertical feeding position. A horizontal feeding side engaging portion is formed at the edge portion on the opposite side to the paper feeding direction when the rotating paper tray is arranged in the horizontal feeding position, and these vertical and horizontal feeding side engaging portions are formed as follows. In a paper feeding device that is rotatably and movably supported by corresponding engagement receiving portions formed on a paper stacking plate accommodating member, there is a space between the paper stacking plate and the paper stacking plate accommodating member. , an elastic member that pushes up the paper stacking plate upward is disposed, the tray storage member is provided with a vertical feed side guide member and a horizontal feed side guide member, and the paper stacking plate housing member is provided with a rotary paper tray at the vertical feed position. When the rotary paper tray is placed in the horizontal feed position, the vertical feed side displacement member is guided and displaced by the vertical feed side guide member, and when the rotating paper tray is placed in the horizontal feed position, it is guided and displaced by the horizontal feed side guide member. A horizontal feed side displacement member is provided between the vertical feed side displacement member and the vertical feed side engaging portion of the paper stacking plate, and between the horizontal feed side displacement member and the horizontal feed side engaging portion, respectively. , a displacement transmitting means that includes a connecting member that connects the corresponding displacement members and the engaging portion and transmits the displacement of the displacement member as a force that pulls the engaging portion downward. Device. 2. The paper feeding device according to claim 1, wherein the connecting member of the displacement transmitting means is made of a wire.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2205694A JP2534796B2 (en) | 1990-07-31 | 1990-07-31 | Paper feeder |
| US07/738,260 US5172901A (en) | 1990-07-31 | 1991-07-30 | Paper feeding device |
| DE69106260T DE69106260T2 (en) | 1990-07-31 | 1991-07-30 | Paper feed device. |
| EP91112801A EP0469551B1 (en) | 1990-07-31 | 1991-07-30 | Paper feeding device |
| US07/952,286 US5246221A (en) | 1990-07-31 | 1992-09-28 | Paper feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2205694A JP2534796B2 (en) | 1990-07-31 | 1990-07-31 | Paper feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0489724A true JPH0489724A (en) | 1992-03-23 |
| JP2534796B2 JP2534796B2 (en) | 1996-09-18 |
Family
ID=16511165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2205694A Expired - Lifetime JP2534796B2 (en) | 1990-07-31 | 1990-07-31 | Paper feeder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2534796B2 (en) |
-
1990
- 1990-07-31 JP JP2205694A patent/JP2534796B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2534796B2 (en) | 1996-09-18 |
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