Rotary drive disc brake for drawworks

Details Rotary drive disc brake for drawworks Rotary drive disc brake for drawworks

1977-05-09

1979-03-20

Reger, Duane A.

Brakes

Operators

Automatic

175203, B60T 712

Patent

active

041449533

ABSTRACT:
A disc-type brake apparatus adapted for installation in combination with the drawworks of a well bore drilling operation for automatically sensing any reverse torque situation in the drill pipe and quickly set the brake for precluding transmission of any reverse torque to the rotary table drive and clutch mechanism therefor.

REFERENCES:
patent: 2765881 (1956-10-01), Pierce
patent: 3469658 (1969-09-01), Forsythe
patent: 3478849 (1969-11-01), Hahm
patent: 3797614 (1974-03-01), McCay

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