Double deck fold-up pallet

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 19/24 (2006.01) B65D 19/00 (2006.01) B65D 19/38 (2006.01)

Patent

CA 2221290

A single twin-sheet thermoformed plastic part has parallel bands of plastic forming fillets which allow stiff pallet deck segments to be folded after forming and locked together into a support structure with a planar upper deck spaced above a pallet lower deck with openings for lift truck tines. The lower deck has two segments joined by side stringers to the upper deck. Two central stringer segments extend along folding fillets from lower deck half segments to lock into place with the upper deck. The pallet is locked in its assembled configuration by a rod which passes through knuckles formed beneath the central stringers. The monocoque construction of the pallet provides for advantageous stiffness and load support capacity, while at the same time being economical to produce. For increased load-carrying capability, the pallet may be formed with a reinforcing substrate.reinforced with a tubular steel insert. The pallet has interleaved step structure adjacent each plastic fillet which transfers vertical loads and also resists lateral deformation of the pallet.

Cette invention concerne une palette biétagée formée d'une seule pièce bi-couche en plastique thermoformé qui comporte des bandes de plastique parallèles formant congé de raccordement et permettant de plier des segments porte-charge rigides après leur formation et de les verrouiller l'un à l'autre pour réaliser une structure support à plateau supérieur plan espacé au-dessus d'un plateau inférieur comportant des ouvertures pour le passage des fourches d'un chariot élévateur à fourches. Le plateau inférieur comporte deux segments assemblés au plateau supérieur par des traverses latérales. Deux traverses centrales se prolongent le long des congés de raccordement pour verrouiller les segments du plateau inférieur au plateau supérieur. Le verrouillage de la palette en configuration assemblée se fait au moyen d'une barre qui passe dans des joints d'articulation prévus sous les traverses centrales. La construction monocoque de la palette confère à celle-ci une rigidité et une capacité de charge avantageuses tout en permettant une fabrication économique. Pour accroître la capacité de charge, on peut doter la palette d'un support de renfort à armature tubulaire en acier. La palette présente à proximité de chaque congé de raccordement une structure à gradins imbricable qui transfère les charges verticales et s'oppose à la déformation latérale de la palette.

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