Roller chain transmission device

Details Roller chain transmission device Roller chain transmission device

2006-09-19

2006-09-19

Ridley, Richard (Department: 3682)

Endless belt power transmission systems or components

Positive drive pulley or guide roll

With particular belt

C474S231000, C474S152000

Reexamination Certificate

active

07108622

ABSTRACT:
A roller chain transmission comprises a sprocket having at least first teeth and second teeth having different tooth forms, the first teeth and second teeth being randomly arranged, and the number of the second teeth not exceeding four times of the number of the first teeth. The roller chain may also have pins of slightly differing diameters, randomly arranged along the length of the chain.

REFERENCES:
patent: 5186569 (1993-02-01), Wu
patent: 5192252 (1993-03-01), Skurka et al.
patent: 6371875 (2002-04-01), Young
patent: 1 235 003 (2002-08-01), None
patent: 5-59014 (1993-08-01), None
patent: 2002-266988 (2002-09-01), None
patent: WO 98/29673 (1998-07-01), None

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