Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1977-02-08
1978-03-14
Gerin, Leonard H.
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
74611, F16H 718, F16P 100
Patent
active
040784444
ABSTRACT:
A front derailleur chain guide for a bicycle comprises a first branch and a second branch substantially parallel and joined to one another by a bridge connecting a portion of the top edges of each of the branches. An additional member is attached to the outer face of the first branch situated on the side where a smaller sprocket wheel is disposed. The additional member is fixed to the first branch and has elasticity such that it can move slightly away from the branch when the chain comes to bear against a portion of the additional member which projects forwardly of the first branch.
REFERENCES:
patent: 2770142 (1956-11-01), Margrey
patent: 3184993 (1965-05-01), Swenson
patent: 3885471 (1975-05-01), Morine et al.
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