JPS5889492U - bicycle telescopic crank - Google Patents
bicycle telescopic crankInfo
- Publication number
- JPS5889492U JPS5889492U JP18526181U JP18526181U JPS5889492U JP S5889492 U JPS5889492 U JP S5889492U JP 18526181 U JP18526181 U JP 18526181U JP 18526181 U JP18526181 U JP 18526181U JP S5889492 U JPS5889492 U JP S5889492U
- Authority
- JP
- Japan
- Prior art keywords
- crank
- bicycle telescopic
- telescopic crank
- bicycle
- stopper
- 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
Landscapes
- Toys (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はクランクが１２０度曲折した状態の正面図、第
２図は平面図。
１．２・・・クランク、３・・・連接ピン、４・・・ス
プリング、５．６・・・ストッパー。Fig. 1 is a front view of the crank bent 120 degrees, and Fig. 2 is a plan view. 1.2...Crank, 3...Connecting pin, 4...Spring, 5.6...Stopper.
Claims (1)
リング４にてクランク１とクランク２を互いに引張り、
支点ピン３を中心にして、両者が１２０度の角度をなし
てストッパー５によって止まるようにし、ペタルに一定
以上の力が加わればスプリングが伸び、クランク１とク
ランク２に取付けたもう一方のストッパー６によって両
者が一本の真直ぐなりランクとなるようにした自転車の
伸縮クランク。Crank 1 and crank 2 are connected by fulcrum pin 3, and crank 1 and crank 2 are pulled together by spring 4.
With the fulcrum pin 3 as the center, they form an angle of 120 degrees and are stopped by a stopper 5. When a certain amount of force is applied to the pedal, the spring stretches, and the other stopper 6 attached to the cranks 1 and 2 A telescopic crank for a bicycle that allows both to form one straight rank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18526181U JPS5889492U (en) | 1981-12-12 | 1981-12-12 | bicycle telescopic crank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18526181U JPS5889492U (en) | 1981-12-12 | 1981-12-12 | bicycle telescopic crank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5889492U true JPS5889492U (en) | 1983-06-17 |
Family
ID=29986153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18526181U Pending JPS5889492U (en) | 1981-12-12 | 1981-12-12 | bicycle telescopic crank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5889492U (en) |
-
1981
- 1981-12-12 JP JP18526181U patent/JPS5889492U/en active Pending
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