Brake method and apparatus

Details Brake method and apparatus Brake method and apparatus

1987-01-20

1988-04-05

Reger, Duane A.

Brakes

Operators

Spring

188136, F16D 6518

Patent

active

047360755

ABSTRACT:
A computed tomography scanner having a brake which is automatically engaged in the event dynamic motor braking fails to stop scanner motion. Within a predetermined range of motion two brake mechanisms are employed. One has a brake shoe to contact a braking surface and stop rotation of the scanner in one direction and a second has a second brake shoe which stops rotation in an opposite direction. The brake shoes are engaged and retracted by a cam surface which as the scanner rotates, moves into contact with one of two bearings connected to associated ones of the brake shoes.

REFERENCES:
patent: 2011599 (1935-08-01), Twiss
patent: 3265165 (1966-08-01), Stainken
patent: 4160586 (1979-07-01), Ebner

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