Reduced weight fifth wheel assembly

Details Reduced weight fifth wheel assembly Reduced weight fifth wheel assembly

B - Operations, Transporting

62

D

B62D 53/08 (2006.01)

Patent

CA 2221535

A reduced weight fifth wheel generally mountable on a tractor for coupling between a tractor and a trailer, which fifth wheel has the approximately the same bearing surface area, a more continuous surface area by elimination of a lever-bar pin port in the bearing surface, thinner support ribs and smaller fillets, a shorter longitudinal length with a wider kingpin receiving slot for receipt of a trailer kingpin, with a locking-jaw mechanism having a redesigned lever-bar pin and pin-receiving port to enable reduction of the weight and to enhance production casting practices.

Sellette d'attelage de poids réduit pouvant généralement être installée sur un tracteur routier pour réunir un tracteur et une semi-remorque. La sellette d'attelage présente à peu près la même surface d'appui, une surface plus unie en raison de l'élimination du trou pour la tige de la barre-levier dans la surface d'appui, des nervures de support plus minces et des congés plus petits, une longueur réduite et une fente de réception du pivot d'attelage plus large pour accueillir le pivot d'attelage, comportant un mécanisme à mâchoire de retenue possédant une tige de barre-levier et un orifice de réception de la tige reconfigurés pour permettre la diminution du poids et faciliter la fabrication par moulage.

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