BICYCLE DERAILLEUR
First Claim
1. A bicycle derailleur comprising:
- a base member configured to be mounted to a bicycle frame;
a movable member movably coupled to the base member;
a chain guide rotatably coupled to the movable member about a pivot axis; and
a resistance applying structure configured to apply rotational resistance to the chain guide, the resistance applying structure including;
a rotational one-way clutch including a first engagement member and a second engagement member, the first engagement member and the second engagement member being configured to be rotatable about the pivot axis, the first engagement member having a first axially facing surface and a first engagement profile provided to the first axially facing surface, the second engagement member having a second axially facing surface and a second engagement profile provided to the second axially facing surface, the first engagement profile and the second engagement profile being configured to engage with each other in an engagement state of the first engagement member and the second engagement member, the first axially facing surface and the second axially facing surface being configured to face each other in an axial direction with respect to the pivot axis; and
an elastic portion provided to at least one of the first axially facing surface of the first engagement member and the axially facing surface of the second engagement member.
1 Assignment
0 Petitions
Accused Products
Abstract
A bicycle derailleur comprises a base member, a movable member, a chain guide, and a resistance applying structure. The chain guide is rotatably coupled to the movable member about a pivot axis. The resistance applying structure includes a rotational one-way clutch and an elastic portion. The rotational one-way clutch includes a first engagement member and a second engagement member. The first engagement member has a first axially facing surface and a first engagement profile provided to the first axially facing surface. The second engagement member has a second axially facing surface and a second engagement profile provided to the second axially facing surface. The elastic portion is provided to at least one of the first axially facing surface of the first engagement member and the second axially facing surface of the second engagement member.
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Citations
20 Claims
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1. A bicycle derailleur comprising:
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a base member configured to be mounted to a bicycle frame; a movable member movably coupled to the base member; a chain guide rotatably coupled to the movable member about a pivot axis; and a resistance applying structure configured to apply rotational resistance to the chain guide, the resistance applying structure including; a rotational one-way clutch including a first engagement member and a second engagement member, the first engagement member and the second engagement member being configured to be rotatable about the pivot axis, the first engagement member having a first axially facing surface and a first engagement profile provided to the first axially facing surface, the second engagement member having a second axially facing surface and a second engagement profile provided to the second axially facing surface, the first engagement profile and the second engagement profile being configured to engage with each other in an engagement state of the first engagement member and the second engagement member, the first axially facing surface and the second axially facing surface being configured to face each other in an axial direction with respect to the pivot axis; and an elastic portion provided to at least one of the first axially facing surface of the first engagement member and the axially facing surface of the second engagement member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification