Brake system for drawworks

Details Brake system for drawworks Brake system for drawworks

1985-09-27

1987-09-29

Halvosa, George E. A.

Brakes

Operators

Spring

188 70R, 188 83, 188151R, 242 7541, F16D 6524

Patent

active

046963774

ABSTRACT:
A brake system for a drawworks includes a hydraulically actuated band brake system having a backup spring actuator for emergency stops. The system also includes a caliper disc brake system for emergency stops. The disc brake system includes a rotor directly mounted to the drum barrel and a pair of spring actuated caliper assemblies.

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patent: 2683020 (1954-07-01), Nickle
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patent: 3627084 (1971-12-01), Benedek
patent: 3964692 (1976-06-01), Pendleton
patent: 3986584 (1977-10-01), Wright et al.
patent: 4018140 (1977-04-01), Engle
patent: 4177973 (1979-12-01), Miller et al.
patent: 4434971 (1984-03-01), Cordrey

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