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EP0565747A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

A transmission structure for a cycle

Assignee: Far Great Plastics Industrial Co Ltd
•
Filing: 1992-04-13
•
Granted: —
•
Expires: 2012-04-13
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Abstract

Abstract A transmission for a cycle has an axle body (1) being integral with a wheel hub of a tricycle having a transverse hole at bottom portion and a plurality of serrations (111) spaced formed therein, a pair of stands (2) at respective sides of the axle body, a pair of cranks (3,3') at respective outer sides of the stands each having a connecting rod 32 extending one end therefrom for insertion into and connecting with the axle hub by means of a bolt (4) and nut (5). Each connecting rod has a plurality of serrations spaced formed thereon in such a manner that when inserted into the transverse hole of the axle hub, the serrations of the connecting rods will engage with the serrations of the transverse hole of the axle.

Inventors

  • 👤 Ting-Hsing c/o Far Great Plas.Ind.Co. Ltd. Chen

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-04 21:45
CPC Classifications
B; B62; B62M; B62M3/00; B62M3/003

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 121 words
A transmission structure for a cycle comprising: an axle body being integral with a wheel hub of a tricycle having a passage at center and being formed with a plurality of concave and convexes therein; a pair of identical stands each having a transverse hole at bottom portion thereof and a post thereon; a pair of L-shaped identical cranks each having a connecting rod extending therefrom and having formed with a plurality of serrations thereon for engagement with said concave and convexes; a reduced diameter portion being formed at one end of one of said connecting rods to be inserted into an aperature of another crank; said connecting rods, and said reduced diameter portion having a hole corresponding to one another.
Claim 2
Dependent Claim 34 words
A transmission for a cycle of claim 1, wherein said axle body is secured to a gear of a bicycle and wherein said cranks are fixedly engaged within said axle body of said bicycle.

References Cited (Backward Citations)

DE87228C Cited
US1469884A Cited
FR564049A Cited
GB267796A Cited

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