Automatic emergency brake

Details Automatic emergency brake Automatic emergency brake

1978-05-01

1980-11-11

Herrmann, Allan D.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

188 75, 188106P, 188171, 188196P, F16D 4916, B60K 4120

Patent

active

042327687

ABSTRACT:
An improved brake for winches. The brake has a main brake and an emergency brake. Both brakes are solenoid operated and brake when the power is turned off or fails. Means are provided for slightly delaying the operation of the emergency brake compared to the main brake so that the braking force is applied in stages in an emergency. The brakes are mechanically linked together so that either of the main or emergency solenoids operate both brakes if one of the solenoids fails.

REFERENCES:
patent: 1566485 (1925-12-01), Lautrup
patent: 1577999 (1926-03-01), Atkinson
patent: 1860394 (1932-05-01), Ohler
patent: 2147531 (1939-02-01), Heath
patent: 2951560 (1960-09-01), Smellie
patent: 3253682 (1966-05-01), Haydu
patent: 3830344 (1974-08-01), Cervenec et al.
patent: 4132292 (1979-01-01), Dufresne

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