Support mechanism for a dock leveler lift bag

B - Operations – Transporting – 65 – G

Patent

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Details

B65G 69/28 (2006.01)

Patent

CA 2173210

A support and attachment mechanism for a dock leveler lift bag. The dock leveler (1) includes a supporting structure (4) which is mounted in a pit (2) in a loading dock (3) and the rear end of a ramp (5) is pivoted to the supporting structure so that the ramp (5) is movable between a horizontal position and an upwardly inclined position. A bag support member (16) is pivoted to the supporting structure and is located in the pit beneath the ramp (5). An inflatable bag assembly (10) is located adjacent the rear end of the ramp and is positioned between the underside of the ramp (5) and the bag support member (16). By inflating the bag assembly (10), the ramp can be pivoted from the horizontal to the upwardly inclined position. The bag assembly (10) includes a rearwardly extending tether (21) which is secured to the supporting structure (16) and prevents the bag assembly (10) from squeezing forwardly as the bag assembly is inflated. The deflated bag assembly can be drawn upwardly against the underside of the ramp by pivotal movement of the bag support member (16) to provide access to the pit.

L'invention se rapporte à un mécanisme de support et de fixation destiné à un sac de levage d'un appareil de mise à niveau. L'appareil de mise à niveau (1) comprend une structure-support (4) qui est fixée dans une fosse (2) d'un quai de chargement (3), et l'extrémité arrière d'une rampe (5) pivote par rapport à la structure-support de façon à ce que la rampe (5) se déplace entre une position horizontale et une position inclinée vers le haut. Un élément-support de sacs (16) pivote par rapport à la structure-support et est placé dans la fosse, sous la rampe (5). Un ensemble (10) de sacs gonflables est placé à côté de l'extrémité arrière de la rampe et entre la partie inférieure de celle-ci (5) et l'élément-support de sacs (16). En gonflant l'ensemble de sacs (10), la rampe peut pivoter de la position horizontale vers la position inclinée vers le haut. L'ensemble de sacs (10) comporte une amarre (21) s'étendant vers l'arrière qui est fixée à la structure-support (16) et empêche l'ensemble de sacs (10) de glisser vers l'avant lors du glonflage. L'ensemble de sacs dégonflés peut être tiré vers l'arrière, contre la surface inférieure de la rampe, par un déplacement pivotant de l'élément-support de sacs (16) afin qu'on puisse accéder à la fosse.

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