Rotary drive disc brake for drawworks

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

1978-11-06

1980-10-07

Braun, Leslie

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 12C, 192144, 192150, 173 12, 175 24, 188134, F16D 5710, B60K 4124, B60T 712

Patent

active

042263115

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: 1904765 (1933-04-01), Hawk
patent: 1954176 (1934-04-01), Johnson
patent: 2245960 (1941-06-01), Claire
patent: 2765881 (1956-10-01), Pierce
patent: 2816631 (1957-12-01), Butler
patent: 2836270 (1958-05-01), Leopold
patent: 3101828 (1963-08-01), Wilson
patent: 3469658 (1969-09-01), Forsythe
patent: 3478849 (1969-11-01), Hahm
patent: 3596740 (1971-08-01), Nau
patent: 3691859 (1972-09-01), Peters
patent: 3716106 (1973-02-01), Peterson
patent: 3797614 (1974-03-01), McCay, Jr.
patent: 3994178 (1976-11-01), Hore
patent: 3994376 (1976-11-01), Fulghum
patent: 4015619 (1977-04-01), Shore et al.

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