Roller equipped uncoupling cam

B - Operations – Transporting – 61 – G

Patent

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Details

B61G 3/14 (2006.01) B61G 3/08 (2006.01)

Patent

CA 2233243

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.

Un accouplement du type à crochet pour fixation à un bout d'un véhicule ferroviaire servant à joindre les bouts adjacents de deux véhicules ferroviaires, lequel a un élément à crochet monté de façon à pouvoir pivoter entre une position verrouillée et une position déverrouillée et adapté pour se mettre en prise sur un deuxième élément à crochet monté de façon à pouvoir pivoter dans un deuxième accouplement du type à crochet de conception compatible, et comprend une came de désaccouplement pour forcer l'élément à crochet à pivoter vers la position déverrouillée, et un galet assujetti à la came de désaccouplement de manière à pouvoir se mettre en prise en tournant sur une surface de l'élément à crochet quand la came de désaccouplement est activée par une rotation partielle, faisant ainsi pivoter l'élément à crochet vers la position de désaccouplement sans contact significatif de frottement par glissement entre la came de désaccouplement et l'élément à crochet.

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