Variable speed drive pulley

Details Variable speed drive pulley Variable speed drive pulley

1981-10-05

1984-02-21

Murtagh, John E.

Endless belt power transmission systems or components

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

Speed responsive

474 46, F16H 5556

Patent

active

044327439

ABSTRACT:
A variable speed device pulley is disclosed of the type comprising a fixed pulley half and movable pulley half facing each other and fixed for rotation with a rotatable shaft. An annular abutment is fixed for rotation with and bears axially against the rotatable shaft. A return spring, e.g., a diaphragm spring, bears axially against the abutment member to urge the movable pulley half toward the fixed pulley half. The annular abutment member comprises a bearing component and a contact component bearing axially against each other. The bearing component is fixed relative to the rotatable shaft and the bearing component is fixed relative to the return spring. The contact component is floatingly mounted on the bearing component for limited shifting movement transversely relative to the axis of the rotatable shaft. The floating mounting may comprise elastic bushes or rings, leaf springs or an intermediate component with sliders. The floating mounting may also permit axial and/or circumferential shifting of the contact component.

REFERENCES:
patent: 824022 (1906-06-01), James
patent: 2289573 (1942-07-01), Almen
patent: 3064486 (1962-10-01), Aplin
patent: 3129597 (1964-04-01), Prior
patent: 3358520 (1967-12-01), Heydlauf et al.
patent: 3948111 (1976-04-01), Dittrich
patent: 4137786 (1979-02-01), Fenart
patent: 4216678 (1980-08-01), Butterfield et al.

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