Self-unlatching dock leveler lip with dampened descent

Details Self-unlatching dock leveler lip with dampened descent Self-unlatching dock leveler lip with dampened descent

B - Operations, Transporting

65

G

B65G 69/28 (2006.01) E01D 1/00 (2006.01)

Patent

CA 2380251

A dock leveler ramp (24) with a lip (22) that can be latched in an extended position to ensure that the lip (22) comes to rest upon the back end of a vehicle (32) as the ramp (24) descends includes a novel unlatching mechanism (56). The mechanism (56) positively unlatches the lip (22) by direct force created by the lip (22) engaging the vehicle (32) or created by the ramp (24) descending upon an internal abutment (68) in the event that a vehicle (32) is not present. Also, the descent of an unlatched lip (22) is dampened to prevent the lip (22) from slamming back down to its pendant position.

La présente invention concerne une rampe de mise à niveau du quai (24) pourvue d'une lèvre (22), qui d'une part peut se déverrouiller en position déployée de façon à laisser la lèvre (22) venir prendre appui sur l'arrière d'un camion (32) pendant la descente de la rampe (24), et qui d'autre part comporte un nouveau mécanisme de déverrouillage (56). Ce mécanisme (56) assure un déverrouillage positif de la force sous l'effet direct de la force créée, soit par la réaction de la lèvre (22) contre le véhicule (32), soit par la descente de la rampe (24) sur une butée interne (68) en cas d'absence de tout véhicule (32). En outre, la descente de la lèvre déverrouillée (22) se fait de façon amortie de façon à l'empêcher de se rabattre brutalement en position basse extrême.

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