Roller chain transmission device

Details Roller chain transmission device Roller chain transmission device

2006-07-18

2006-07-18

Johnson, Vicky A. (Department: 3682)

Endless belt power transmission systems or components

Positive drive belt

Belt formed of rigid links

C474S206000

Reexamination Certificate

active

07077774

ABSTRACT:
In a roller chain transmission, the diameter D of the rollers, the outer diameter d of the pins, and the height H of the inner plates satisfy the relationships 0.72P≦D≦0.79P, 0.40P≦d≦0.44P, and 0.96P≦H, with respect to the chain pitch P. The radius r of the arc of the tooth gap bottom of the sprocket teeth satisfies the relationship 0.505D≦r≦0.505D+0.069{square root over (D)}. The transmission chain exhibits high durability due to improved strength and wear resistance under high loads.

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patent: 1 203 902 (2002-05-01), None
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Roller Chain Transmission Device, U.S. Appl. No. 10/774,650, Isamu Okabe et al., Filing Date Feb. 6, 2004, USA.

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