Flexible bicycle chain

Details Flexible bicycle chain Flexible bicycle chain

2007-05-15

2007-05-15

Ridley, Richard (Department: 3682)

Endless belt power transmission systems or components

Positive drive belt

Belt formed of rigid links

C474S231000

Reexamination Certificate

active

11305290

ABSTRACT:
A bicycle chain includes a plurality pairs of outer plates and inner plates. Each pair of the outer plates is connected at two opposite ends to two pairs of the inner plates by connectors connected to the inner plates. Each connector has a rivet extending therethrough and two ends of the rivet are respectively connected to the two opposite ends of the outer plates. Each rivet has a protrusion extending radially outward from the outer periphery thereof and the protrusion is in contact with an inner periphery of a central passage of the connector corresponding thereto. There is a gap defined between the rivet and the inner periphery of the central passage so that the chain has more flexibility.

REFERENCES:
patent: 1945357 (1934-01-01), Pierce
patent: 2277915 (1942-03-01), Klaucke
patent: 2882103 (1959-04-01), Johnson et al.
patent: 3135128 (1964-06-01), Rudolph
patent: 6302818 (2001-10-01), Haight

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