Work carrier and work clamping method using the same

Details Work carrier and work clamping method using the same Work carrier and work clamping method using the same

B - Operations, Transporting

62

D

B62D 65/06 (2006.01) B62D 65/18 (2006.01)

Patent

CA 2635798

A work carrier includes a movable clamp unit (15) having resiliently connected first and second sliders (26, 27) mounted on a guide rail (24), a lock lever (37) mounted on the second slider and normally urged in a direction to move a toothed portion (41) into meshing engagement with a rack (25), an operating lever (46) pivotally mounted on the second slider, and a cam mechanism (43, 38, 44, 45) operable in response to pivotal movement of the operating lever in one direction such that the second slider is locked in position against movement relative to the guide rail via meshing engagement between the toothed portion and the rack and, subsequently, the first slider and clamp member carried thereon are forcibly displaced away from the second slider while the second slider remains locked on the guide rail.

La présente invention concerne un support de travail qui comprend : une unité de serrage mobile (15) dotée de premier et second coulisseaux (26, 27) reliés de manière souple à un rail de guidage (24) ; un levier de verrouillage (37) monté sur le second coulisseau et poussé généralement suivant une direction afin de déplacer une partie dentée (41) pour la mettre en prise avec une crémaillère (25) ; un levier de commande (46) monté sur le second coulisseau de manière à pouvoir pivoter ; et un mécanisme à cames (43, 38, 44, 45) actionné en réponse au mouvement de pivot du levier de commande selon une direction de telle sorte que le second coulisseau est verrouillé en position pour empêcher tout mouvement relatif au rail de guidage par mise en prise entre la partie dentée et la crémaillère, ce qui permet au premier coulisseau et à l'élément de serrage porté par celui-ci d'être éloignés de force du second coulisseau alors que ce dernier reste verrouillé sur le rail de guidage.

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