Variable speed drive pulley

Details Variable speed drive pulley Variable speed drive pulley

1984-10-16

1986-11-25

Levy, Stuart S.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Speed responsive

474 46, F16H 5556, F16H 1106

Patent

active

046246517

ABSTRACT:
The invention concerns variable speed drive pulleys comprising a hub and two annular flanges around the hub in axial face-to-face relationship to one another. At least one flange, the mobile flange, is movable relative to the hub in the axial direction. Elastic control means responsive to centrifugal force operate on the mobile flange so as to reduce the distance between the flanges when their rotation speed increases. A bearing surface on one flange and an elastic bearing member on the other, in axial face-to-face relationship to one another, are adapted by virtue of their mutual abutment to limit elastically the reduction in the axial distance between the flanges for increasing rotation speeds.

REFERENCES:
patent: 2973655 (1961-03-01), Rix
patent: 3269201 (1966-08-01), Looker
patent: 3962927 (1976-06-01), Beaudoin
patent: 4078442 (1978-03-01), Bendall
patent: 4132120 (1979-01-01), Fenart
patent: 4364735 (1982-12-01), Plamper
patent: 4410312 (1983-10-01), de Briel

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