Formed front header for a dock leveler

B - Operations – Transporting – 65 – G

Patent

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Details

B65G 69/28 (2006.01)

Patent

CA 2573877

A dock leveler includes a pivotally extendable lip coupled to a pivotal deck by way of a front hinge, wherein the structure in the area of the front hinge optimizes the torsional flexibliity of the deck; provides a well supported, durable crown (apex angle beteen an extended lip and the deck); and reduces the part count of the dock leveler. The front hinge includes a deck-hinge member that extends approximately the full width of the deck and is preferably formed from a single sheet of material. A particularly narrow front header of flange disposed along the front edge of the deck reinforces the relatively thin deck plate so that the plate's rigidty more closely matches that of the thicker lip, yet the flange is sufficiently small to allow the deck to twist so that the deck can place the tip of the lip squarely upon a sideways inclined truck bed.

Une rampe de quai ajustable comprend une balèvre pivotante et extensible, reliée à un pont pivotant par une charnière avant ; cette rampe comprenant en outre une structure localisée dans la zone de la charnière avant permettant d~optimiser la souplesse de torsion du pont ; de fournir une voûte durable et solide (un angle de sommet entre une balèvre déployée et le pont) ; et de réduire le compte partiel de cette rampe de quai ajustable. La charnière avant inclut un élément de charnière de pont qui s~étend sur la quasi-totalité de la largeur du pont et qui est, de préférence, travaillée à partir d~une seule pièce de matériau. Une traverse supérieure avant de l~aile, particulièrement étroite, disposée le long de l~arête frontale du pont, renforce le pontet relativement peu épais, de manière à ce que la rigidité du plateau se rapproche de celle de la balèvre plus épaisse, bien que l~aile soit suffisamment petite pour permettre au pont de tourner pour placer directement le bout de la balèvre sur une plate-forme inclinée de côté.

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