JPH0185537U - - Google Patents
Info
- Publication number
- JPH0185537U JPH0185537U JP18199087U JP18199087U JPH0185537U JP H0185537 U JPH0185537 U JP H0185537U JP 18199087 U JP18199087 U JP 18199087U JP 18199087 U JP18199087 U JP 18199087U JP H0185537 U JPH0185537 U JP H0185537U
- Authority
- JP
- Japan
- Prior art keywords
- biasing member
- transmission gear
- rotatably supported
- clutch plate
- roller shaft
- 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
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Description
第１図は本考案の一実施例の断面説明図、第２
図は同実施例のクラツチ板の断面説明図、第３図
は同実施例の動作説明図、第４図は本考案の実施
例の説明図、第５図ならびに第６図は前記他の実
施例の動作説明図である。
１……本体側の側板、３……ローラ軸、５……
駆動ギヤ、６……伝達ギヤ、７……クラツク板、
８……圧縮ばね、９……形状記憶合金ばね。
Figure 1 is a cross-sectional explanatory diagram of one embodiment of the present invention;
The figure is an explanatory cross-sectional view of the clutch plate of the same embodiment, Figure 3 is an explanatory diagram of the operation of the same embodiment, Figure 4 is an explanatory diagram of the embodiment of the present invention, and Figures 5 and 6 are the other embodiments described above. FIG. 3 is an explanatory diagram of an example operation. 1... Side plate on the main body side, 3... Roller shaft, 5...
Drive gear, 6...Transmission gear, 7...Crack plate,
8... Compression spring, 9... Shape memory alloy spring.
Claims (1)
ーラ軸と、このローラ軸に回転自在に軸支し且つ
駆動ギヤに噛み合つて回転する伝達ギヤと、前記
ローラ軸にその軸方向に移動可能に且つその軸と
一体に回転可能に支持したクラツチ板と、前記伝
達ギヤとクラツチ板とを離隔して両者間の摩擦係
合を解除するための第１の付勢部材と、一定の高
温度で前記クラツチ板を前記第１の付勢部材に抗
して伝達ギヤに押圧し摩擦係合させる第２の付勢
部材とを備え、前記第１の付勢部材と前記第２の
付勢部材の少なくとも一方が、形状記憶合金で形
成されていることを特徴とする搬送ローラ。 A roller shaft of a conveyance roller rotatably supported on the main body side, a transmission gear rotatably supported on the roller shaft and rotated by meshing with a drive gear, and a transmission gear movable in the axial direction of the roller shaft. and a clutch plate rotatably supported integrally with the shaft thereof; a first biasing member for separating the transmission gear and the clutch plate to release frictional engagement therebetween; and a second biasing member that presses the clutch plate against the first biasing member and frictionally engages the transmission gear, the first biasing member and the second biasing member A conveyance roller, at least one of which is made of a shape memory alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18199087U JPH0185537U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18199087U JPH0185537U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185537U true JPH0185537U (en) | 1989-06-07 |
Family
ID=31473450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18199087U Pending JPH0185537U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017214194A (en) * | 2016-05-31 | 2017-12-07 | キヤノン株式会社 | Sheet conveyance device, image reading apparatus and image formation apparatus |
-
1987
- 1987-11-30 JP JP18199087U patent/JPH0185537U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017214194A (en) * | 2016-05-31 | 2017-12-07 | キヤノン株式会社 | Sheet conveyance device, image reading apparatus and image formation apparatus |
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