JPH0185536U - - Google Patents
Info
- Publication number
- JPH0185536U JPH0185536U JP18198987U JP18198987U JPH0185536U JP H0185536 U JPH0185536 U JP H0185536U JP 18198987 U JP18198987 U JP 18198987U JP 18198987 U JP18198987 U JP 18198987U JP H0185536 U JPH0185536 U JP H0185536U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- biasing member
- conveyance roller
- meshes
- rotates
- 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
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 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
図は同実施例の動作説明図、第３図は本考案の他
の実施例を示す図、第４図ならびに第５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、２……支軸、３……Ａギ
ヤ、４……Ｂギヤ、５……駆動ギヤ、７……ロー
ラギヤ、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;
FIG. 3 is a diagram showing another embodiment of the present invention, and FIGS. 4 and 5 are diagrams explaining the operation of the other embodiment. 1... Side plate on the main body side, 2... Support shaft, 3... A gear, 4... B gear, 5... Drive gear, 7... Roller gear, 8... Compression spring, 9... Shape memory alloy spring .
Claims (1)
ローラに直結するローラギヤに噛み合つてその搬
送ローラを回転させるＢギヤと、本体側に固定さ
れこれらＡギヤとＢギヤとを回転自在に軸支する
支軸と、これらＡギヤとＢギヤとを離隔して両者
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Ｂギヤを前記第１の付勢部
材に抗して前記Ａギヤと前記Ｂギヤを互いに摩擦
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。 An A gear that meshes with the drive gear and rotates, a B gear that meshes with a roller gear directly connected to the conveyance roller and rotates the conveyance roller, and a shaft that is fixed to the main body and supports these A gear and B gear so that they can rotate freely. a first biasing member for separating the A gear and B gear to release the frictional engagement between them; a second biasing member that frictionally engages the A gear and the B gear with each other against a member, and at least one of the first biasing member and the second biasing member has a shape memory A conveyance roller characterized by being made of an alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18198987U JPH0185536U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18198987U JPH0185536U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185536U true JPH0185536U (en) | 1989-06-07 |
Family
ID=31473449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18198987U Pending JPH0185536U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185536U (en) |
-
1987
- 1987-11-30 JP JP18198987U patent/JPH0185536U/ja active Pending
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