TW200640739A - An improved bicycle crank and chain wheel assembly - Google Patents
An improved bicycle crank and chain wheel assemblyInfo
- Publication number
- TW200640739A TW200640739A TW095115034A TW95115034A TW200640739A TW 200640739 A TW200640739 A TW 200640739A TW 095115034 A TW095115034 A TW 095115034A TW 95115034 A TW95115034 A TW 95115034A TW 200640739 A TW200640739 A TW 200640739A
- Authority
- TW
- Taiwan
- Prior art keywords
- chain wheel
- axis
- bicycle crank
- slotted guide
- improved bicycle
- Prior art date
Links
Landscapes
- Transmission Devices (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The present invention provides an improved bicycle crank and chain wheel assembly. The assembly includes a ring shaped chain wheel arranged to rotate about a first axis of rotation and a slotted guide is also provided that extends outwardly from the chain wheel. The assembly further includes a pair of opposed cranks arranged to rotate about an axle having a second axis of rotation. A projection extends from one of the opposed cranks to move along the slotted guide. The slotted guide is disposed to constrain the projection to move linearly along a third axis as the chain wheel revolves, the third axis being non-coincident with the center of a downward power stroke of the one of the opposed cranks in order to optimize transfer of power from the crank to the chain wheel.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2005201807A AU2005201807C1 (en) | 2004-11-01 | 2005-04-29 | A Bicycle Crankshaft and Chain Wheel Assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200640739A true TW200640739A (en) | 2006-12-01 |
Family
ID=57809901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095115034A TW200640739A (en) | 2005-04-29 | 2006-04-27 | An improved bicycle crank and chain wheel assembly |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW200640739A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107600301A (en) * | 2017-10-09 | 2018-01-19 | 李鹏程 | A kind of bicycle driving device |
-
2006
- 2006-04-27 TW TW095115034A patent/TW200640739A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107600301A (en) * | 2017-10-09 | 2018-01-19 | 李鹏程 | A kind of bicycle driving device |
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