Quick-release mechanism for a railway car hand brake of the non-

Details Quick-release mechanism for a railway car hand brake of the non- Quick-release mechanism for a railway car hand brake of the non-

1975-10-01

1976-11-02

Scott, Samuel

Machine element or mechanism

Control lever and linkage systems

Hand operated

G05G 108

Patent

active

039889440

ABSTRACT:
A hand brake assembly for a railway car in which a self-energizing friction clutch which is associated with the hand wheel shaft permits a graduated release of the car brakes and prevents spinning of the hand wheel. A manually-operable quick release of the car brakes is made possible by the provision of a second manually-shiftable jaw clutch, the components of which are spring-biased to their position of clutch engagement by a positive acting compression spring which is interposed between such components, such second jaw clutch being disposed in the power train between the hand wheel shaft and the chain winding drum, and the two clutches thus being disposed in series relationship.

REFERENCES:
patent: 3173305 (1965-03-01), Mersereau
patent: 3176539 (1965-04-01), Mersereau
patent: 3425294 (1969-02-01), Klasing
patent: 3453902 (1969-07-01), La Belle
patent: 3750488 (1973-08-01), McClure

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