Derailleur drive chain structure for downhill event

Details Derailleur drive chain structure for downhill event Derailleur drive chain structure for downhill event

2007-09-11

2007-09-11

Bidwell, James R. (Department: 3651)

Conveyors: power-driven

Conveyor section

Endless conveyor

C059S004000

Reexamination Certificate

active

11312750

ABSTRACT:
A derailleur drive chain structure for downhill event operating in conjunction with a gear disk includes inner chain plates, outer chain plates, sleeves, and pins. Each sleeve is disposed between each pair of inner chain plates. Each pin is to connect each pair of abutted outer and inner chain plates. Two ends are provided on a first side of each outer chain plate. The outer edge of each outer chain plate externally to the two ends is disposed with a protruding portion to improve tensile strength and flexibility of the chain to upgrade its impact withstanding performance for improving riding safety.

REFERENCES:
patent: 5465568 (1995-11-01), Wang
patent: 6138820 (2000-10-01), Ewert
patent: 6782687 (2004-08-01), Mingers
patent: 2006/0196755 (2006-09-01), Burkhard

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