Device for driving a power window

Details Device for driving a power window Device for driving a power window

1974-03-27

1976-01-06

Scott, Samuel

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

B60L 100

Patent

active

039305660

ABSTRACT:
A device for preventing the reversal of a power window motor, wherein when the motor is normally actuated, a coiled spring loosely fitted on a core coupled with a worm gearing is contracted by the core, and the friction between the outer periphery of the coiled spring and the inner periphery of a drum is weakened, so that an output piece is rotated to open or close window glass, while when it is intended to manually push down or pull up the window glass, the coiled spring is expanded by a dog of the output piece, and the friction is strengthened, so that the turning of the dog is checked to brake the output piece.

REFERENCES:
patent: 1997646 (1935-04-01), Miller
patent: 2145666 (1939-01-01), Roethel
patent: 2881881 (1959-04-01), Sacchini et al.
patent: 3235248 (1966-02-01), Golde
patent: 3361235 (1968-01-01), Sacchini

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