Endless belt power transmission systems or components – Positive drive belt – Belt formed of rigid links
Patent
1997-03-18
2000-06-13
Stodola, Daniel P.
Endless belt power transmission systems or components
Positive drive belt
Belt formed of rigid links
474161, 474226, 474156, F16G 1302, F16H 5506
Patent
active
060743182
ABSTRACT:
A roller chain (10) for reducing noise and vibration generated during engagement of the roller chain with a sprocket. The roller chain (10) has a plurality of inner link assemblies, each including a bushing (12) and inner plates (14) connected together and a plurality of outer link assemblies, each including a pin (16) and outer plates (18) connected together with the pins (16) extending through the bushings (12). The roller chain (10) further has rollers (20) respectively fitted on the bushings (12). The rollers (20) are each shorter than the spacing between the opposed inner plates (14). An elastic member (22) is fixed to the inner or outer peripheral surface of each roller (20). The elastic member (22) has projecting portions (24) projecting from both end faces of the roller and facing inside surfaces of the associated inner plates (14) to prevent collision of the roller (20) with the inner plates. In one embodiment, the projecting portions (24) have a shape whose thickness gradually decreases toward the inside surfaces of the inner plates (14). Each projecting portion (24) is formed so as to leave a slight clearance between it and the inside surface of the inner plate (14) opposed thereto. The roller (20) is rotatable on the bushing (12).
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Ando Takahisa
Tanaka Koji
Stodola Daniel P.
Strimbu Gregory J.
Tsubakimoto Chain Co.
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