Safety brake

Details Safety brake Safety brake

1989-10-20

1991-07-16

Halvosa, George E. A.

Brakes

Operators

Speed-responsive

188110, 188151A, 188170, 188185, 188382, 246172, 246199, F16D 6514, B60T 1322

Patent

active

050317300

ABSTRACT:
A safety brake for braking a moving member includes at least one active member co-operating by friction with a passive member. The active member is kept at a distance from the passive member by an incompressible fluid which opposes the effect of a drive element (7) that is coupled to the active member and tends to urge the active member against the passive member. The incompressible fluid is enclosed in a circuit (6) which possesses a frangible portion (8) such that when the frangible portion is broken in order to activate the safety brake, it constitutes an exhaust opening to allow the incompressible fluid to escape from the circuit (6).

REFERENCES:
patent: 878263 (1908-02-01), Winsor
patent: 2451326 (1948-10-01), Eksergian et al.
patent: 3035666 (1962-05-01), Beeskow
patent: 3557913 (1971-01-01), Russler

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