192 clutches and power-stop control – Clutches – Operators
Patent
1995-10-26
1997-06-17
Lorence, Richard M.
192 clutches and power-stop control
Clutches
Operators
192 7013, 192110R, F16D 4308
Patent
active
056389353
ABSTRACT:
A centrifugal clutch comprises a rotating input drive member, a rotatable output driven member, at least one drive plate mounted for rotation with the drive member, at least one clutch disc mounted for rotation with the driven member and being disposed adjacent the drive plate, a pressure plate mounted for rotation with the drive member and including at least one pair of seats, at least one pair of weighted balls disposed in the pair of seats in the pressure plate, and at least one pair of springs attached to the pressure plate. Each spring of the pair of springs contacts and retains one ball of the pair of balls seated in a respective pressure plate seat. The springs resist outward radial movement of the balls and axial movement toward the drive plate of the balls. The pressure plate seats are configured so as to urge the balls axially against the drive plate to rotationally engage the clutch disk to rotate the driven member as the centrifugal force developed by the balls on the rotating pressure plate urges the balls radially outwardly.
REFERENCES:
patent: 1682493 (1928-08-01), Ehrenfeld
patent: 1766227 (1930-06-01), Russell
patent: 2203117 (1940-06-01), Whatmough
patent: 3767019 (1973-10-01), Wingler
patent: 5070984 (1991-12-01), Fehring
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