Bicycle derailleur

Patent metadata

Field	Value
Publication number	US-11192608-B2
Application number	US-201815902196-A
Country	US
Kind code	B2
Filing date	Feb 22, 2018
Priority date	Feb 24, 2017
Publication date	Dec 7, 2021
Grant date	Dec 7, 2021

Abstract

A bicycle derailleur comprising a chain guide movable between intermediate positions. An actuation arm associated with the derailleur has a cable seat formed it. A cable-clamping washer includes with a cable-bending appendage that is insertable in the seat of the actuation arm. The actuation arm cooperates with the cable-bending appendage to lock an actuation cable in the desired position.

First claim

What is claimed is:

1. A bicycle derailleur comprising:
a chain guide configured to interact with a transmission chain of a bicycle and moves among a plurality of intermediate positions between an inner position and an outer position;
a fixed body configured for being fixedly associated with a part of a frame of the bicycle;
an outer connection element rotatably connected to the fixed body about a first articulation axis (A) and rotatably connected to the chain guide about a second articulation axis (B) that is parallel to the first articulation axis (A);
an inner connection element rotatably connected to the fixed body about a third articulation axis (C) and to the chain guide about a fourth articulation axis (D);
an actuation arm hinged to the fixed body about the first articulation axis (A); and,
a cable-clamping washer that includes a cable-bending appendage that mates with a seat formed in the actuation arm;
said seat extending along a first direction (F) and being provided with a first insertion opening and a second insertion opening that are opposite one another and selectively engageable by said cable-bending appendage of the cable-clamping washer;
wherein said cable-clamping washer has a pair of cable-guiding grooves that are on an inner surface and substantially parallel to one another and spaced apart, and
wherein said cable-bending appendage extends in a direction substantially perpendicular to said inner surface of said cable-clamping washer.

2. The derailleur according to claim 1 , wherein said first direction (F) is substantially parallel to said first articulation axis (A).

3. The derailleur according to claim 1 , wherein said seat in the actuation arm crosses an entire thickness of the actuation arm along said first direction (F).

4. The derailleur according to claim 1 , wherein said seat in the actuation arm is formed on a portion of the actuation arm such that said seat in the actuation arm and the inner connection element are facing in a common direction.

5. The derailleur according to claim 1 , wherein respective cable-guiding grooves of said pair of cable-guiding grooves are arranged on opposite sides with respect to an aperture of the cable-clamping washer.

6. The derailleur according to claim 1 , wherein said cable-bending appendage is arranged between said pair of cable-guiding grooves.

7. The derailleur according to claim 1 , wherein said seat in the actuation arm is distal from said first articulation axis (A).

8. The derailleur according to claim 1 , wherein said seat in the actuation arm is a groove on a front surface of the actuation arm.

9. A bicycle derailleur comprising:
a chain guide configured to interact with a transmission chain of a bicycle and moves among a plurality of intermediate positions between an inner position and an outer position;
a fixed body configured for being fixedly associated with a part of a frame of the bicycle;
an outer connection element rotatably connected to the fixed body about a first articulation axis (A) and rotatably connected to the chain guide about a second articulation axis (B) that is parallel to the first articulation axis (A);
an inner connection element rotatably connected to the fixed body about a third articulation axis (C) and to the chain guide about a fourth articulation axis (D);
an actuation arm hinged to the fixed body about the first articulation axis (A); and,
a cable-clamping washer that includes a cable-bending appendage that mates with a seat formed in the actuation arm and extends in a direction substantially perpendicular to an inner surface of said cable-clamping washer that is facing said actuation arm;
said seat extending along a first direction (F) and being provided with a first insertion opening and a second insertion opening that are opposite one another and selectively engageable by said cable-bending appendage of the cable-clamping washer;
wherein said inner surface of the cable-clamping washer comprises a pair of spaced apart cable-guiding grooves that are substantially parallel to one another and have a common depth and width.

10. The derailleur according to claim 9 , wherein said first direction (F) is substantially parallel to said first articulation axis (A).

11. The derailleur according to claim 9 , wherein said seat in the actuation arm crosses an entire thickness of the actuation arm along said first direction (F).

12. The derailleur according to claim 9 , wherein said seat in the actuation arm is formed on a portion of the actuation arm such that said seat in the actuation arm and the inner connection element are facing in a common direction.

13. The derailleur according to claim 9 , wherein respective cable-guiding grooves of said pair of spaced apart cable-guiding grooves are arranged on opposite sides with respect to an aperture of the cable-clamping washer.

14. The derailleur according to claim 9 , wherein said cable-bending appendage is arranged between said pair of cable-guiding grooves.

15. The derailleur according to claim 9 , wherein said seat in the actuation arm is distal from said first articulation axis (A).

16. The derailleur according to claim 9 , wherein said seat in the actuation arm is a groove on a front surface of the actuation arm.

17. The derailleur according to claim 16 , wherein said seat in the actuation arm is formed on a portion of the actuation arm such that said seat in the actuation arm and the inner connection element are facing in a common direction.

18. The derailleur according to claim 16 , wherein said cable-bending appendage extends in a direction substantially perpendicular to an inner surface of said cable-clamping washer facing said actuation arm.

19. The derailleur according to claim 16 , wherein said seat in the actuation arm crosses an entire thickness of the actuation arm along said first direction (F).

20. The derailleur according to claim 9 , wherein said cable-bending appendage extends in a direction substantially perpendicular to an inner surface of said cable-clamping washer facing said actuation arm.

Assignees

• Campagnolo Srl

Inventors

• Minto Marco
• Feo Nicola

Classifications

• B62M9/1342

  characterised by the linkage mechanisms · CPC title

• B62M9/134 Primary

  Mechanisms for shifting laterally · CPC title

• B62M9/136

  Chain guides; Mounting thereof · CPC title

• B62M9/137 Primary

  Mounting or guiding of cables · CPC title