Coupler hook force gage

Details Coupler hook force gage Coupler hook force gage

1997-06-06

1998-11-03

Dombroske, George M.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73826, 73862393, G01N 308

Patent

active

058311734

ABSTRACT:
A gage for measuring a force at which hooks of couplers used to couple passenger transit type vehicles together are biased when such vehicles are coupled together by such hooks. Such gage including a bracket member having at least one guide pin disposed thereon. Such at least one guide pin being sized and located to seat in at least one guide hole disposed in a railway transit coupler. An elongated tubular housing member is mounted on such bracket member. There is a main coil spring disposed within such elongated tubular housing member. A shaft member is disposed along a longitudinal axis of such main coil spring. A plunger member extends from a forward end of the shaft member and such tubular housing member for engaging a hook portion of such coupler and a power screw member is threadedly engaged into an end of the elongated tubular housing member opposite the forward end of such tubular housing member for translating the shaft member in such elongated tubular housing member and such plunger member into and from such hook of such coupler.

REFERENCES:
patent: 1247249 (1917-11-01), Felcyn
patent: 2042457 (1936-06-01), Conn
patent: 2154280 (1939-04-01), Nadai et al.
patent: 2756592 (1956-07-01), Foster

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