JPH0616276A - Sheet conveyor device - Google Patents

Sheet conveyor device

Info

Publication number
JPH0616276A
JPH0616276A JP4195867A JP19586792A JPH0616276A JP H0616276 A JPH0616276 A JP H0616276A JP 4195867 A JP4195867 A JP 4195867A JP 19586792 A JP19586792 A JP 19586792A JP H0616276 A JPH0616276 A JP H0616276A
Authority
JP
Japan
Prior art keywords
paper
sheet
rollers
guide
carrier
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
Application number
JP4195867A
Other languages
Japanese (ja)
Inventor
Yasuo Matsuura
安男 松浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba TEC Corp
Original Assignee
Tokyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokyo Electric Co Ltd filed Critical Tokyo Electric Co Ltd
Priority to JP4195867A priority Critical patent/JPH0616276A/en
Publication of JPH0616276A publication Critical patent/JPH0616276A/en
Pending legal-status Critical Current

Links

Landscapes

  • Handling Of Cut Paper (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Facsimiles In General (AREA)

Abstract

PURPOSE:To reduce the use of fixing parts for fitting numerous carrier rollers and other rollers and reduce also the number of part items so as to secure quality in assembly and reduce the cost by providing a cover body with integrally formed guide protrusions having inclined guide faces toward the inner surface opposed to the sheet carrier faces of the carrier rollers. CONSTITUTION:Guide protruding parts 12 integrally formed along the width direction of a carrier path 4 are disposed on the inner surface of a cover body 6 forming the carrier path 4. A first and a second curved guide faces 14, 15 to be the inclined guide faces protruding into semicircular cross section with the width measure reduced toward the tip side are disposed in the positions opposed to the outer surface of sheet carrier rollers 7, 9, and the tip of the curved guide face 14 and the tip surface of the sheet carrier roller 7 are brought close to each other into the positioning measure with a specified space in between. When the tip of a document 20 comes in contact with the first and second curved guide faces 14, 15 to be the inclined guide faces, the document 20 is conveyed by rolling frictional force between the sheet 20 and the surface of the carrier rollers 7, 9 while being regulated in its upward movement.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、プリンタ、複写機、フ
ァクシミリ等に採用される用紙搬送装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet conveying device used in printers, copying machines, facsimiles and the like.

【0002】[0002]

【従来の技術】用紙を一枚づつ繰り出して例えばプリン
タの印字部に搬送する手段として用紙搬送路の上下に相
対向して配置された一対の搬送ローラを設け、この搬送
ローラの回転にともなう表面の摩擦力によって用紙を回
転方向に搬送するようになっている。そして、用紙搬送
路の用紙搬送方向に所定間隔をもたせて複数対の搬送ロ
ーラが配置されている。この従来の用紙搬送装置では多
数の搬送ローラおよび該ローラを取り付けるための固定
部品が使用されるため部品点数が多くなり、組立上の品
質確保、コスト面などで改善点があった。
2. Description of the Related Art As a means for feeding out sheets one by one and conveying them to, for example, a printing section of a printer, a pair of conveying rollers arranged opposite to each other at the upper and lower sides of a sheet conveying path are provided, and a surface accompanying rotation of the conveying rollers is provided. The paper is conveyed in the direction of rotation by the frictional force of. Then, a plurality of pairs of conveying rollers are arranged at a predetermined interval in the sheet conveying direction of the sheet conveying path. In this conventional sheet conveying device, since a large number of conveying rollers and fixed parts for mounting the rollers are used, the number of parts is increased, and there are improvements in assembling quality assurance and cost.

【0003】[0003]

【発明が解決しようとする課題】従来の用紙搬送装置で
は組立上の品質確保、コスト面で改善する課題があり、
本発明は、部品点数を少なくして品質確保、コスト面な
どを改善した用紙搬送装置を提供するものである。
However, the conventional sheet conveying device has problems of ensuring quality in assembly and improving cost.
SUMMARY OF THE INVENTION The present invention provides a paper transporting device which has a reduced number of parts and which is improved in quality and cost.

【0004】[0004]

【課題を解決するための手段】本発明は、用紙搬送路の
底面に設けられた用紙案内板上に沿わせて用紙を搬送方
向に搬送する搬送ローラを用紙搬送路の搬送方向複数箇
所にそれぞれ配置し、この各搬送ローラの回転により用
紙を用紙搬送路の用紙案内板上に沿って搬送する用紙搬
送装置において、前記用紙搬送路は、搬送ローラの外周
表面を用紙案内板上に突出させた用紙搬送面を覆いかつ
用紙搬送面と間隔をもって対向したカバー体を有し、こ
のカバー体の前記各搬送ローラの用紙搬送面に対向する
内面に向けて傾斜案内面を有する一体形成の案内突起を
配設したものである。
SUMMARY OF THE INVENTION According to the present invention, transport rollers for transporting a sheet in the transport direction along a sheet guide plate provided on the bottom surface of the sheet transport path are provided at a plurality of locations in the transport direction of the sheet transport path. In the paper transporting device which is arranged and transports the paper along the paper guide plate of the paper transport path by the rotation of each of the transport rollers, the paper transport path has the outer peripheral surface of the transport roller projected onto the paper guide plate. An integrally formed guide projection that has a cover body that covers the paper transport surface and faces the paper transport surface with a gap, and has an inclined guide surface toward the inner surface of each of the transport rollers facing the paper transport surface. It is arranged.

【0005】[0005]

【作用】用紙が搬送通路に向けて送り出されると、用紙
の先端は最初に案内突起の傾斜案内面に当接すると用紙
搬送面側に向かうように案内され、つぎに回転した搬送
ローラの表面に接触し搬送方向に向けて搬送される。ま
た、用紙の先端は最初に回転した搬送ローラの表面に当
接すると該搬送ローラの表面にそう用紙搬送面にて搬送
され対向した案内突起の傾斜案内面との間隔に上方向の
動きを規制され、用紙と搬送ローラの表面との回転摩擦
力により搬送方向に向けて搬送される。続いて、用紙の
先端が第2の案内突起の傾斜案内面に当接し用紙搬送面
の表面に沿って同様に回転した用紙搬送ローラの表面に
接触して搬送され、用紙案内板側に配置された用紙搬送
ローラのみによって用紙は機器本体の外方に排出され
る。
When the sheet is sent out toward the conveying path, the leading edge of the sheet is first guided toward the sheet conveying surface when it comes into contact with the inclined guide surface of the guide projection, and then is guided to the surface of the rotating conveying roller. It comes into contact and is transported in the transport direction. Further, when the leading edge of the sheet comes into contact with the surface of the conveying roller that first rotates, the sheet is conveyed to the surface of the conveying roller by the sheet conveying surface, and the upward movement of the guide protrusion is restricted to the interval between the inclined guide surface of the facing guide protrusion. Then, the sheet is conveyed in the conveying direction by the rotational frictional force between the sheet and the surface of the conveying roller. Then, the leading edge of the sheet comes into contact with the inclined guide surface of the second guide protrusion, comes into contact with the surface of the sheet transport roller that also rotates along the surface of the sheet transport surface, and is transported, and is disposed on the sheet guide plate side. The paper is discharged to the outside of the main body of the device only by the paper transport roller.

【0006】[0006]

【実施例】本発明の一実施例をファクシミリの原稿読み
取り部に採用した用紙搬送装置についてその図面に基づ
き説明する。まず、この用紙搬送装置1は、機器本体2
内部の相対向した両側に所定間隔をおいて立設配置され
た支板3、3間に水平方向に取り付けられ原稿用紙20
の搬送通路4となる板金製の用紙案内板5が底面として
設けられている。 この用紙案内板5と上下に所定間隔
をおいて対向し、かつこの用紙案内板5を覆うようにし
て搬送通路4を形成する合成樹脂製のカバー体6が設け
られている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings of a sheet conveying apparatus adopted in a document reading section of a facsimile. First, the paper transporting apparatus 1 is composed of a device body 2
The original paper 20 is horizontally mounted between the support plates 3 and 3 which are vertically arranged on both sides facing each other at a predetermined interval.
A sheet guide plate 5 made of a sheet metal is provided as a bottom surface to serve as the transport passage 4 of the sheet. A cover member 6 made of synthetic resin is provided to face the paper guide plate 5 at a predetermined interval and to cover the paper guide plate 5 and to form the transport passage 4 so as to cover the paper guide plate 5.

【0007】原稿用紙20の搬送方向には、搬送通路4
および用紙案内板5を横切る幅方向に軸心を位置決めし
てその外周表面にゴム体を設けた全体形状を円柱状の用
紙搬送ローラ7が配置され、用紙20の搬送方向に所定
間隔をおいて同一の用紙搬送ローラ9が同様に配置され
ている。この用紙搬送ローラ7、9は、用紙案内板5の
表面より突出して設けられ、その各ローラ軸8、10を
支板3、3間に支持して図示しないモータに連結され回
転自在に支持されている。そして、用紙案内板5および
搬送ローラ7、9により用紙搬送面21を形成してい
る。
In the conveying direction of the original paper 20, a conveying passage 4 is provided.
Further, a sheet conveying roller 7 having a columnar shape and having an overall shape in which a shaft center is positioned across the sheet guide plate 5 in the width direction and a rubber body is provided on the outer peripheral surface thereof is arranged at predetermined intervals in the sheet 20 conveying direction. The same sheet conveying rollers 9 are similarly arranged. The sheet conveying rollers 7 and 9 are provided so as to project from the surface of the sheet guide plate 5, and each roller shaft 8 and 10 is supported between the support plates 3 and 3, and is rotatably supported by being connected to a motor (not shown). ing. The paper guide plate 5 and the transfer rollers 7 and 9 form a paper transfer surface 21.

【0008】そして、用紙搬送ローラ7、9間には、搬
送通路4の幅方向に支板3、3間に位置決めされ用紙案
内板5の表面に臨ませた原稿用紙20の画像を読み取る
読み取りセンサ30が配置されている。この読み取りセ
ンサ30は、原稿用紙20に接近して原稿の画像を読み
取る読み取り面31を具備した密着形読み取りセンサが
配置されている。
A reading sensor for reading the image of the original paper 20 positioned between the support plates 3 and 3 in the width direction of the transfer path 4 between the paper transfer rollers 7 and 9 and facing the surface of the paper guide plate 5. 30 are arranged. As the reading sensor 30, a contact-type reading sensor having a reading surface 31 that approaches the document sheet 20 and reads the image of the document is arranged.

【0009】また、搬送通路4の上流側には、搬送通路
4の幅方向に用紙案内板5の表面に臨ませて原稿用紙2
0の表面に接触して帯電を取り除く放電体41が設けら
れた放電ケース40が配置されている。この放電ケース
40は、用紙案内板5の幅方向に形成された凹部11内
に上部開口を搬送通路4に向けた断面コ字形に形成さ
れ、この断面コ字形内部にブラシ形状の放電体41を取
り付けて用紙案内板5から側方向にスライド自在として
着脱可能に取り付けられている。
On the upstream side of the transport passage 4, the original paper 2 is made to face the surface of the paper guide plate 5 in the width direction of the transport passage 4.
A discharge case 40 provided with a discharge body 41 that comes into contact with the surface of 0 to remove the charge is arranged. The discharge case 40 is formed in a concave portion 11 formed in the width direction of the paper guide plate 5 so as to have a U-shaped cross section with its upper opening facing the transport passage 4, and a brush-shaped discharge body 41 is provided inside the U-shaped cross section. It is detachably attached so that it can be attached and slid laterally from the paper guide plate 5.

【0010】前記搬送通路4を形成しているカバー体6
の内部表面には、搬送通路4の幅方向に沿って一体形成
された案内突部12を配設している。この案内突部12
は、前記放電体41の先端に対向した位置には先端側に
いくにつれて幅寸法が小となる断面三角状に突出した形
状の傾斜案内面13が配設され、この傾斜案内面13の
先端と放電体41の先端とは接近した位置決め寸法とな
っている。また、用紙搬送ローラ7の外表面に対向した
位置には先端側にいくにつれて幅寸法が小となる断面半
円状に突出した形状の傾斜案内面となる第1の曲面案内
面14が配置され、この曲面案内面14の先端と用紙搬
送ローラ7の先端表面とは接近して所定間隔をおいた位
置決め寸法となっている。
A cover body 6 forming the transfer passage 4
A guide projection 12 is integrally formed along the width direction of the transport passage 4 on the inner surface of the. This guide protrusion 12
At the position facing the tip of the discharge body 41, an inclined guide surface 13 having a triangular cross-section whose width dimension becomes smaller toward the tip side is provided. The positioning dimension is close to the tip of the discharge body 41. Further, at a position facing the outer surface of the sheet conveying roller 7, a first curved guide surface 14 serving as an inclined guide surface having a shape having a semicircular cross section whose width dimension becomes smaller toward the front end side is arranged. The front end of the curved guide surface 14 and the front end surface of the sheet conveying roller 7 are positioned close to each other with a predetermined distance.

【0011】また、用紙搬送ローラ9の外周表面に対向
した位置には先端側にいくにつれて幅寸法が小となる断
面半円状に突出した形状の傾斜案内面となる第2の曲面
案内面15が配設され、この曲面案内面15の先端と用
紙搬送ローラ9の先端表面とは接近して所定間隔をおい
た位置決め寸法となっている。そして、曲面案内面15
を形成した案内突条12の内部は溝状に欠除して薄肉状
に形成され曲面案内面15の部分が所定の押圧力に対し
て搬送通路4の外方側に変形可能となっている。
Further, at a position facing the outer peripheral surface of the sheet conveying roller 9, the second curved guide surface 15 is a slanted guide surface having a semicircular cross section whose width dimension becomes smaller toward the front end side. Is arranged, and the tip end of the curved guide surface 15 and the tip end surface of the sheet conveying roller 9 are close to each other and have a positioning dimension with a predetermined interval. Then, the curved guide surface 15
The inside of the guide ridge 12 having a groove is cut into a groove shape to be formed in a thin shape, and the curved guide surface 15 can be deformed to the outer side of the transport passage 4 against a predetermined pressing force. .

【0012】このような構成において、原稿用紙20を
読み取りセンサ30に搬送する用紙搬送装置1の動作に
ついて説明すると、図示しない原稿台の上面に載置され
た送信する原稿用紙20を一枚づつ繰り出しローラにて
搬送通路4に向けて送り出すと、この送り出された原稿
用紙20は、その先端が傾斜案内面13によって用紙案
内板5の表面に沿って放電体41の先端側に接触した
後、原稿用紙20の表面にわたり接触するため、原稿用
紙20に帯電された静電気は放電体41を通じて放電さ
れるとともに原稿用紙20の表面に付着した塵埃は放電
体41の先端に当接して掃き落とし状態で放電ケース4
0の内部に堆積収納される。
The operation of the paper feeding device 1 for feeding the original paper 20 to the reading sensor 30 in such a structure will be described. The original paper 20 to be transmitted placed on the upper surface of an original plate (not shown) is fed out one by one. When the original paper 20 is sent out by the rollers toward the conveyance path 4, the leading end of the original paper 20 comes into contact with the leading end side of the discharge body 41 along the surface of the paper guide plate 5 by the inclined guide surface 13, and then the original Since the contact is made over the surface of the paper 20, the static electricity charged on the original paper 20 is discharged through the discharge body 41, and the dust adhering to the surface of the original paper 20 comes into contact with the tip of the discharge body 41 and is discharged in a sweeping state. Case 4
It is accumulated and stored inside 0.

【0013】続いて、原稿用紙20の先端は、つぎの傾
斜案内面となる第1の曲面案内面14に当接するとその
傾斜案内面14で用紙搬送面21側に向かうように案内
され搬送ローラ7の表面に接触して対向した第1の曲面
案内面14との間隔に上方向の動きを規制されつつ用紙
20と搬送ローラ7の表面との回転摩擦力により搬送ロ
ーラ7の表面に接触し搬送方向に向けて順次搬送され
る。
Next, when the leading edge of the original paper 20 comes into contact with the first curved guide surface 14 that is the next inclined guide surface, the inclined guide surface 14 guides the leading end of the original paper 20 toward the paper conveying surface 21 and the conveying roller. 7 is contacted with the surface of the conveyance roller 7 by the rotational frictional force between the paper 20 and the surface of the conveyance roller 7 while the upward movement is regulated in the interval with the first curved guide surface 14 facing the surface of the conveyance roller 7. The sheets are sequentially conveyed in the conveying direction.

【0014】さらに、読み取りセンサ30の読み取り面
31に搬送されると、読み取りセンサ30は、原稿用紙
20の表面に記載された画像を順次読み取り処理が行わ
れ、そして、読み取り面31を通過した原稿用紙20
は、つぎの傾斜案内面となる第2の曲面案内面15に当
接するとその傾斜案内面15で用紙搬送面21側に向か
うように案内され搬送ローラ9の表面に接触して対向し
た第2の曲面案内面15との間隔に上方向の動きを規制
されつつ用紙20と搬送ローラ9の表面との回転摩擦力
により搬送ローラ9の表面に接触し搬送方向に向けて順
次搬送され、機器本体2の外方に排出される。そして、
一枚づつ繰り出された原稿用紙20が前述と同様に前記
搬送通路4の傾斜案内面13、14、15および搬送ロ
ーラ7、9による用紙搬送面21を通じて搬送される。
Further, when the document is conveyed to the reading surface 31 of the reading sensor 30, the reading sensor 30 sequentially reads the images written on the surface of the document sheet 20, and the document passing through the reading surface 31 is read. Paper 20
When contacting the second curved guide surface 15 which is the next inclined guide surface, the second guide surface 15 is guided by the inclined guide surface 15 toward the sheet conveying surface 21 side and comes in contact with the surface of the conveying roller 9 to face the second surface. The upper surface of the conveying roller 9 is brought into contact with the surface of the conveying roller 9 by the rotational frictional force between the sheet 20 and the surface of the conveying roller 9 while being regulated to move upward in the distance from the curved guide surface 15, and is conveyed sequentially in the conveying direction. 2 is discharged to the outside. And
The original sheets 20 fed out one by one are conveyed through the inclined guide surfaces 13, 14, 15 of the conveying passage 4 and the sheet conveying surface 21 by the conveying rollers 7, 9 as described above.

【0015】この用紙搬送装置1の動作において、原稿
用紙20に付着した塵埃は、原稿用紙20の搬送中に帯
電の放電とともにブラシ形状の放電体41によって掃き
落とし状態とされるため、読み取りセンサ30の読み取
り面31などに堆積することを防ぎ、放電体41によっ
て掃き落とし状態で放電ケース40の内部に堆積収納さ
れることにより、放電ケース40が搬送通路4から取り
外されて排出清掃を容易にしている。なお、傾斜案内面
13の形状と放電体41の先端との間隔寸法および曲面
案内面14、15と用紙搬送ローラ7、9との間隔寸法
などの設定は、使用する用紙の種類によって任意にでき
るものである。
In the operation of the sheet conveying device 1, the dust adhering to the original sheet 20 is wiped off by the brush-shaped discharge body 41 along with the discharge of the charge while the original sheet 20 is being conveyed. It is prevented from accumulating on the reading surface 31 and the like and is accumulated and stored inside the discharge case 40 in a sweeping state by the discharge body 41, so that the discharge case 40 is removed from the transport passage 4 to facilitate discharge cleaning. There is. The shape of the inclined guide surface 13 and the distance between the tip of the discharge body 41 and the distance between the curved guide surfaces 14 and 15 and the paper transport rollers 7 and 9 can be set arbitrarily depending on the type of paper used. It is a thing.

【0016】そして、搬送ローラ7、9は、前記実施例
では一体形成のローラで説明したが、軸方向に複数個に
分割形成したローラでもよい。また、カバー体6に形成
した傾斜案内面13の形状および曲面案内面14、15
の形状も案内突部12を幅方向に複数個に分割形成した
案内突部12により傾斜案内面13および曲面案内面1
4、15を一体形成してもよく、カバー体6は合成樹脂
に限られず、板金により一体形成してもよい。
Further, although the conveying rollers 7 and 9 have been described as the integrally formed rollers in the above-mentioned embodiment, they may be a plurality of divided rollers formed in the axial direction. Further, the shape of the inclined guide surface 13 formed on the cover body 6 and the curved guide surfaces 14, 15
The shape of the inclined guide surface 13 and curved surface
4, 15 may be integrally formed, and the cover body 6 is not limited to the synthetic resin, and may be integrally formed by sheet metal.

【0017】また、本実施例では、ファクシミリの原稿
読み取り部に採用した用紙搬送装置について説明した
が、例えばプリンタでは、前記原稿読み取りセンサに替
えて印字ヘッドを配置することなどによってプリンタの
用紙搬送装置に転用することが可能となる。
Further, in the present embodiment, the paper feeding device adopted in the original reading portion of the facsimile has been described. For example, in a printer, the paper feeding device of the printer is arranged by arranging a print head instead of the original reading sensor. Can be diverted to.

【0018】従って、本発明では、用紙搬送路は、搬送
ローラの外周表面を用紙案内板上に突出させた用紙搬送
面を覆いかつ用紙搬送面と間隔をもって対向したカバー
体を有し、このカバー体の前記各搬送ローラの用紙搬送
面に対向する内面に向けて傾斜案内面を有する一体形成
の案内突起を配設した用紙搬送装置を具備したので、部
品点数が少なく、組立上の品質確保、コストで有利とな
る。
Therefore, in the present invention, the paper transport path has a cover body that covers the paper transport surface in which the outer peripheral surface of the transport roller is projected onto the paper guide plate and faces the paper transport surface with a gap. Since the paper conveyance device is provided with the integrally formed guide protrusion having the inclined guide surface facing the paper conveyance surface of each of the conveyance rollers of the body, the number of parts is small and the assembling quality is ensured. It is advantageous in cost.

【0019】また、本発明の実施例では、本発明に追加
して用紙案内板に放電体を取り付けた箱状の放電ケース
を用紙搬送路から着脱可能に取り付けた用紙搬送装置を
具備しているので、用紙に付着した塵埃の除去および処
理が容易となるなどの効果を有する。
In addition, in the embodiment of the present invention, in addition to the present invention, there is provided a paper transporting device in which a box-shaped discharge case in which a discharge body is mounted on a paper guide plate is detachably attached from a paper transport path. Therefore, there is an effect that the dust adhering to the paper can be easily removed and processed.

【0020】[0020]

【発明の効果】本発明によれば、用紙搬送路は、搬送ロ
ーラの外周表面を用紙案内板上に突出させた用紙搬送面
を覆いかつ用紙搬送面と間隔をもって対向したカバー体
を有し、このカバー体の前記各搬送ローラの用紙搬送面
に対向する内面に向けて傾斜案内面を有する一体形成の
案内突起を配設したので、従来例のように用紙搬送方向
に所定間隔をもたせた複数対の搬送ローラを配置するこ
とがなく、多数の搬送ローラおよび該ローラを取り付け
るための固定部品の使用が少なく、部品点数が少なく、
組立上の品質確保、コストで有利となるなどの効果を有
する。
According to the present invention, the paper transport path has a cover body that covers the paper transport surface in which the outer peripheral surface of the transport roller is projected onto the paper guide plate, and that opposes the paper transport surface at a distance. Since the integrally formed guide protrusion having the inclined guide surface is provided toward the inner surface of each of the conveying rollers of the cover body facing the sheet conveying surface, a plurality of guide protrusions having a predetermined interval in the sheet conveying direction are provided as in the conventional example. There is no need to arrange a pair of conveying rollers, the use of a large number of conveying rollers and fixed parts for mounting the rollers is small, and the number of parts is small,
It has effects such as ensuring quality in assembly and being advantageous in cost.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例の構成を示す部分断面図であ
る。
FIG. 1 is a partial cross-sectional view showing the configuration of an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1 用紙搬送装置 5 用紙案内板 6 カバー体 7、9 搬送ローラ 12 案内突起 13 傾斜案内面 14 曲面案内面 15 曲面案内面 21 用紙搬送面 DESCRIPTION OF SYMBOLS 1 Paper transport device 5 Paper guide plate 6 Cover body 7, 9 Transport roller 12 Guide protrusion 13 Inclined guide surface 14 Curved guide surface 15 Curved guide surface 21 Paper transport surface

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 用紙搬送路の底面に設けられた用紙案内
板上に沿わせて用紙を搬送方向に搬送する搬送ローラを
用紙搬送路の搬送方向複数箇所にそれぞれ配置し、この
各搬送ローラの回転により用紙を用紙搬送路の用紙案内
板上に沿って搬送する用紙搬送装置において、 前記用紙搬送路は、搬送ローラの外周表面を用紙案内板
上に突出させた用紙搬送面を覆いかつ用紙搬送面と間隔
をもって対向したカバー体を有し、このカバー体の前記
各搬送ローラの用紙搬送面に対向する内面に向けて傾斜
案内面を有する一体形成の案内突起を配設したことを特
徴とする用紙搬送装置。
1. A conveyance roller that conveys a sheet in a conveyance direction along a sheet guide plate provided on a bottom surface of the sheet conveyance path is arranged at each of a plurality of conveyance directions of the sheet conveyance path. In a paper transport device for transporting paper along a paper guide plate of a paper transport path by rotation, the paper transport path covers a paper transport surface in which an outer peripheral surface of a transport roller is projected onto the paper guide plate and transports the paper. It is characterized in that it has a cover body opposed to the surface with a gap, and an integrally formed guide projection having an inclined guide surface toward the inner surface of each cover roller facing the sheet conveying surface of the cover body. Paper transport device.
JP4195867A 1992-07-01 1992-07-01 Sheet conveyor device Pending JPH0616276A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4195867A JPH0616276A (en) 1992-07-01 1992-07-01 Sheet conveyor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4195867A JPH0616276A (en) 1992-07-01 1992-07-01 Sheet conveyor device

Publications (1)

Publication Number Publication Date
JPH0616276A true JPH0616276A (en) 1994-01-25

Family

ID=16348312

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4195867A Pending JPH0616276A (en) 1992-07-01 1992-07-01 Sheet conveyor device

Country Status (1)

Country Link
JP (1) JPH0616276A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5743519A (en) * 1995-05-08 1998-04-28 Chang; Joseph U-turn high capacity sheet feeder for fax machine or printers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5743519A (en) * 1995-05-08 1998-04-28 Chang; Joseph U-turn high capacity sheet feeder for fax machine or printers

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