Clutch

Details Clutch Clutch

1989-01-19

1990-05-15

Reese, Randolph A.

192 clutches and power-stop control

Clutches

Axially engaging

192 93A, 192109B, 192 56R, 56 113, 56 117, F16D 1104

Patent

active

049249886

ABSTRACT:
The present invention is a clutch assembly used to engage a shaft. It includes a pulley adapted to be driven by a belt, pressure plates disposed on both sides of the pulley for engaging and rotating with the pulley, friction surfaces for selectively coupling the pulley to the pressure plates, and a cam mechanism coupled to the pressure plates for axially pressing one pressure plate into the friction surfaces to engage the pulley. The cam mechanism comprises a rotatable center cam plate bordered by an upper and a lower cam plate, with a plurality of balls disposed between each adjacent plate for axially moving the center cam plate when it rotates. The center cam plate presses the pressure plate by virtue of its axial movement into engagement with the pulley.

REFERENCES:
patent: 2931476 (1960-04-01), Zeidler et al.
patent: 3127969 (1964-04-01), Hansen
patent: 3129797 (1964-04-01), Orcutt et al.
patent: 3877253 (1975-04-01), Yeagle
patent: 4205509 (1980-06-01), Miyazawa et al.
Dana Formsprag Mechanical Clutch Brochure, MTP-004-84.
Ogura Brochure, Brake-Clutches for Lawn Mowers.

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