Controlled release mechanism for railway hand brake

Details Controlled release mechanism for railway hand brake Controlled release mechanism for railway hand brake

1974-08-26

1976-09-14

Scott, Samuel

Machine element or mechanism

Control lever and linkage systems

Hand operated

188134, 188187, G05G 108

Patent

active

039799697

ABSTRACT:
Kinetic energy incident to the trip release and consequent rapid spinning and unwinding of rotating members in a chain operated railway car hand brake mechanism is substantially dissipated by energy absorbing means which frictionally engage the rapidly rotating members. The frictional engagement slows down the rotation of the members thus decreasing the shock to the members as they are rapidly stopped when the mechanism reaches full release. The rotation stoppage of the members is necessary to prevent the mechanism from winding in the wrong direction and thereby damaging the hand brake mechanism and brake components at opposite ends of the chain.

REFERENCES:
patent: 419051 (1890-01-01), Lester
patent: 3173305 (1965-03-01), Mersereau
patent: 3367598 (1968-02-01), Harrington et al.
patent: 3433332 (1969-03-01), Braun

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