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US 4,232,564 AGranted
Bicycle speed change lever device
AssigneeMaeda Industries, Ltd.
InventorKazuto Yamasaki
Life of this patent
Estimating the term…
Abstract
A bicycle speed change lever device comprises a lever body pivotally mounted on a support shaft and having a handle portion and a base portion which is formed with internal hollow spaces, within which are disposed a step positioning mechanism including a resiliently urged engaging piece and a plurality of engaging recesses arranged so as to cooperate for retaining the lever body in a selected speed gear position, and a one-way clutch mechanism including means for permitting the lever body to pivotally move in one direction with reduced frictional resistance.
Claims6
A bicycle speed change lever device comprising;
- a lever body pivotally mounted on a support shaft and having a handle portion and a base portion which is formed with internal hollow spaces,
- a step positioning mechanism disposed at one side of said base portion and including a resiliently urged engaging piece and a plurality of engaging recesses arranged so as to cooperate for retainging said lever body in a selected speed gear position,
- a one-way clutch mechanism disposed within said internal hollow spaces and including means for permitting said lever body to pivotally move in one direction with reduced frictional resistance, and
- means for imparting frictional resistance to rotation of said lever body.
1 more element
Dependencies are inferred from the claim text.