Locking device for a telescopic stem of a trolley

Details Locking device for a telescopic stem of a trolley Locking device for a telescopic stem of a trolley

B - Operations, Transporting

62

B

B62B 9/20 (2006.01) F16B 7/14 (2006.01)

Patent

CA 2529361

Locking device for a telescopic stem for a trolley wherein the stem comprises an inner stem and an outer stem, which may glide into each other, characterised in that a friction element is arranged in the outer stem and that the inner stem is equipped with the blocking element grasping into the friction element and locking the movement of the inner stem in relation to the outer stem, in that the blocking element presses against the friction element of housing with a conical groove linked to a rod stretching from the housing to the upper end of the inner stem and connected to a handle which influences the position of the housing.

L'invention concerne un dispositif de verrouillage pour potence télescopique de chariot. Ladite potence comprend une potence intérieure (1) et une potence extérieure (2), qui peuvent glisser l'une dans l'autre. L'invention se caractérise en ce qu'un élément de friction (3) est monté dans la potence extérieure (2) et en ce que la potence intérieure (1) est munie de l'élément à effet bloquant (4), en prise dans l'élément de friction (3) et bloquant le mouvement de la potence intérieure (1) par rapport à la potence extérieure (2). L'élément à effet bloquant appuie sur l'élément de friction (3) du boîtier (5) avec une rainure conique (6) associée à une barre (7) s'étendant du boîtier (5) jusqu'à l'extrémité supérieure de la potence intérieure (1) et reliée à une poignée (8) qui influe sur la position du boîtier.

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