Variable speed pulley

Details Variable speed pulley Variable speed pulley

1989-08-01

1990-05-29

Bui, Thuy M.

Endless belt power transmission systems or components

Pulley with expansible rim means or pulleys with alternately...

Structure for variably adjusting radius of rim section

474 19, 474190, F16H 1102

Patent

active

049292170

ABSTRACT:
A variable speed pulley adapted to be mounted on a shaft has a resilient member with an exterior surface adapted to support a belt thereon. The compression of the resilient member is controlled to adjust the location of the exterior surface of the resilient member. The effective diameter of the pulley increases or decreases as a function of the location of the exterior surface of the resilient member.

REFERENCES:
patent: 1442899 (1923-01-01), Neenan
patent: 2198831 (1940-04-01), Moyer
patent: 2283392 (1942-05-01), Shadrick
patent: 2453580 (1948-11-01), Lusk
patent: 2651208 (1953-09-01), Karig
patent: 2900834 (1959-08-01), Bessette
patent: 2951388 (1960-09-01), Tacquet
patent: 3996811 (1976-12-01), Reese
patent: 4095479 (1978-06-01), Lundberg
patent: 4482340 (1984-11-01), Kovaleski
patent: 4738651 (1988-04-01), Favache et al.

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