Control system for latch that secures loader yoke member to...

E - Fixed Constructions – 02 – F

Patent

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Details

E02F 3/80 (2006.01) E02F 3/627 (2006.01)

Patent

CA 2143467

A tractor-mounted loader includes a yoke member having legs joined by a bight member that carries a latch that is L- shaped in cross section and is pivotally mounted for movement between a closed position, wherein a first leg of the latch extends generally horizontally above and is engaged with a front-end weight bracket of the tractor carrying the loader, and an open position wherein the first leg is located in a generally upright position forwardly of the bracket. A control rod extends along one of the legs of the yoke member and has its forward end connected to the latch so that rearward and forward shifting of the rod respectively moves the latch to and from its closed position. A cylindrical lock member is adjustably threaded onto the rear end of the rod and is received for movement along a slot provided in the a rear portion of the one yoke member leg and is dimensioned for fitting closely in an enlarged rear end portion of the slot to establish a locked condition in the rod which corresponds to the closed position of the latch. A necked down intermediate section of the lock member is movable into register with the slot to permit the latch rod to be moved forwardly to place the latch in its open position.

Chargeur monté sur tracteur comprenant un étrier d'attelage dont les bras sont réunis par un élément porteur d'un verrou à coupe en L et monté de manière à pivoter entre une position fermée, où une paroi supérieure du verrou se prolonge dans le sens horizontal à l'extrémité supérieure et s'engage avec un contrepoids placé à l'avant du tracteur portant le chargeur, et une position ouverte où la paroi supérieure est placée dans une position verticale à l'avant du contrepoids. Une tige de commande se prolonge le long d'un des bras de l'étrier et son extrémité avant est raccordée au verrou de façon que les déplacements avant et arrière de la tige déplacent respectivement le verrou de la position fermée à la position ouverte. Un élément de verrouillage cylindrique est fileté de manière réglable sur l'extrémité arrière de la tige et est reçu de façon à se déplacer le long d'une fente fournie dans une partie arrière d'un bras de l'étrier et ayant la dimension voulue pour s'insérer dans une partie d'extrémité arrière élargie de la fente pour établir une condition de verrouillage de la tige qui correspond à la position fermée du verrou. Une partie intermédiaire à collet rétréci de l'élément de verrouillage se déplace de façon à s'aligner avec la fente afin de permettre à la tige de verrouillage de se déplacer vers l'avant pour placer le verrou dans sa position ouverte.

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