JPH0218440U - - Google Patents
Info
- Publication number
- JPH0218440U JPH0218440U JP9504988U JP9504988U JPH0218440U JP H0218440 U JPH0218440 U JP H0218440U JP 9504988 U JP9504988 U JP 9504988U JP 9504988 U JP9504988 U JP 9504988U JP H0218440 U JPH0218440 U JP H0218440U
- Authority
- JP
- Japan
- Prior art keywords
- driven
- clutch body
- coil spring
- driving
- clutch
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図及び第２図は本考案のシート給送ローラ
の実施例を示す断面図、第３図はこれらが使用さ
れる給紙装置の概略図、第４図ａは従来のシート
給送ローラの断面図、第４図ｂはそのクラツチ部
の断面図である。
２１……ボス部（駆動部材）、２１ａ……駆動
クラツチ胴、２２……ハウジング部（従動部材）
、２２ａ……従動クラツチ胴、２２ｃ……支持部
、２２ｄ……溝部（係合部）、２３……円筒コイ
ルバネ、２３ａ……曲げ起こし部（係合用曲げ部
）、２４……ゴム弾性輪。
1 and 2 are cross-sectional views showing an embodiment of the sheet feeding roller of the present invention, FIG. 3 is a schematic diagram of a paper feeding device in which these are used, and FIG. 4a is a conventional sheet feeding roller. FIG. 4b is a sectional view of the clutch portion thereof. 21... Boss part (driving member), 21a... Drive clutch body, 22... Housing part (driven member)
, 22a... Driven clutch body, 22c... Support portion, 22d... Groove portion (engaging portion), 23... Cylindrical coil spring, 23a... Bending portion (bending portion for engagement), 24... Rubber elastic ring.
Claims (1)
備えたシート給送ローラにおいて、 円筒状外周部からなる駆動クラツチ胴を持つた
駆動部材と、 前記駆動クラツチ胴に隣接して設けられる円筒
状外周部からなる従動クラツチ胴とシートを給送
するゴム弾性輪を支持する支持部とを持つた従動
部材と、 前記駆動クラツチ胴と前記従動クラツチ胴とに
捲着され、前記駆動クラツチ胴側から見て駆動回
転方向とは逆方向に捲かれた円筒コイルバネと、 を有することを特徴とするシート給送ローラ。 (2) 前記円筒コイルバネは係合用曲げ部を有し
、前記従動クラツチ胴に代えて、前記従動部材は
前記円筒コイルバネの前記係合用曲げ部を係合さ
せる係合部を有することを特徴とする請求項１に
記載のシート給送ローラ。 (3) 前記駆動部材と前記従動部材と前記円筒コ
イルバネとは、合成樹脂製であることを特徴とす
る請求項１又は２に記載のシート給送ローラ。[Claims for Utility Model Registration] (1) A sheet feeding roller equipped with a clutch portion that transmits rotation in only one direction, comprising: a driving member having a driving clutch cylinder having a cylindrical outer circumference; and the driving clutch cylinder. a driven member having a driven clutch body having a cylindrical outer peripheral portion provided adjacent to the driven clutch body and a support portion supporting a rubber elastic ring for feeding a sheet; and a driven member wound around the driving clutch body and the driven clutch body. and a cylindrical coil spring wound in a direction opposite to the drive rotation direction when viewed from the drive clutch body side. (2) The cylindrical coil spring has an engaging bent portion, and instead of the driven clutch body, the driven member has an engaging portion that engages the engaging bent portion of the cylindrical coil spring. The sheet feeding roller according to claim 1. (3) The sheet feeding roller according to claim 1 or 2, wherein the driving member, the driven member, and the cylindrical coil spring are made of synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9504988U JPH0218440U (en) | 1988-07-20 | 1988-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9504988U JPH0218440U (en) | 1988-07-20 | 1988-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0218440U true JPH0218440U (en) | 1990-02-07 |
Family
ID=31319664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9504988U Pending JPH0218440U (en) | 1988-07-20 | 1988-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08259030A (en) * | 1995-03-20 | 1996-10-08 | Fuji Photo Film Co Ltd | Rotation transmitting device and recording material conveying device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58157653A (en) * | 1982-03-12 | 1983-09-19 | Ricoh Co Ltd | Method of manufacturing back roller |
| JPS6321630B2 (en) * | 1980-03-03 | 1988-05-09 | Data Products Corp |
-
1988
- 1988-07-20 JP JP9504988U patent/JPH0218440U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6321630B2 (en) * | 1980-03-03 | 1988-05-09 | Data Products Corp | |
| JPS58157653A (en) * | 1982-03-12 | 1983-09-19 | Ricoh Co Ltd | Method of manufacturing back roller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08259030A (en) * | 1995-03-20 | 1996-10-08 | Fuji Photo Film Co Ltd | Rotation transmitting device and recording material conveying device |