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US 2007/0191159 A1Published application
Bicycle derailleur
AssigneeShimano Inc.
InventorMasahiko Fukuda
Life of this patent
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Abstract
A bicycle derailleur is provided with a base member, a movable member, a linkage, a chain guide, an operating mechanism and an adjustment mechanism. The chain guide guides the chain. The movable member is a member that is used to support the chain guide. The linkage is pivotally connected at both ends to the base member and the operating member. The operating member causes the linkage to rotate. The adjustment mechanism is disposed between the linkage and operating member for adjusting the movement of the linkage.
Claims19
A bicycle derailleur comprising:
- a base member configured to be mounted on a bicycle;
- a linkage pivotally coupled to the base member to pivot between at least a pair of gearshift positions relative to the base member;
- a movable member pivotally coupled to the linkage to be moved by the linkage between the gearshift positions;
- a chain guide coupled to the movable member to move with the movable member between the gearshift positions;
- an operating member operatively coupled to the linkage to selectively pivot the linkage;
- and
- an adjustment mechanism operatively coupled between the linkage and the operating member to adjust an angular position of the linkage relative to the operating member.
4 more elements
Dependencies are inferred from the claim text.