Power transmission chain and power transmission apparatus

Details Power transmission chain and power transmission apparatus Power transmission chain and power transmission apparatus

2007-07-11

2010-12-07

Siconolfi, Robert A (Department: 3657)

Endless belt power transmission systems or components

Friction drive belt

Including plural interconnected members each having a drive...

Reexamination Certificate

active

07846050

ABSTRACT:
Two kinds of pins having rolling contact surfaces of different shapes are used as first pins. A recess is formed at that portion of the first pin disposed between a chain outer periphery-side edge portion thereof and the rolling contact surface thereof. A straight portion is formed at that portion of the second pin disposed between a chain outer periphery-side edge portion thereof and the rolling contact surface thereof. With this construction, the two kinds of pins can be easily discriminated from each other from their appearance.

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European Search Report dated Mar. 6, 2008.

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