Roller equipped uncoupling cam

Details Roller equipped uncoupling cam Roller equipped uncoupling cam

1997-09-10

1999-09-21

Le, Mark T.

Railway draft appliances

Couplings

Counterpart

213104, 213211, B61G 300

Patent

active

059542110

ABSTRACT:
A hook-type coupler for attachment to an end of a railway transit vehicle for joining adjacent ends of a pair of railway transit vehicles wherein the hook-type coupler has a hook member pivotally mounted therein being pivotal between a latch position and an unlatch position and adapted to engage a second pivotally mounted hook member in a second hook-type coupler of compatible design and includes an uncoupling cam for forcibly pivoting the hook member to the unlatch position and a roller rotatably secured to the uncoupling cam to rollably engage a surface of the hook member when the uncoupling cam is activated through a partial rotation thereby pivoting such hook member to the unlatch position without significant sliding frictional engagement between the uncoupling cam and the hook member.

REFERENCES:
patent: 3856154 (1974-12-01), DePenti
patent: 4366911 (1983-01-01), Gunther et al.
patent: 5499728 (1996-03-01), Rumsey
patent: 5503280 (1996-04-01), Hanano et al.

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