Lightweight fifth wheel mechanism

Details Lightweight fifth wheel mechanism Lightweight fifth wheel mechanism

B - Operations, Transporting

62

D

280/119

B62D 53/12 (2006.01)

Patent

CA 1135745

TITLE IMPROVED LIGHTWEIGHT FIFTH WHEEL MECHANISM ABSTRACT OF THE DISCLOSURE A fifth wheel mechanism is fabricated from light- weight aluminum in a high strength box configuration. Locking jaws are spring urged toward the king pin receiving opening and are held open by a clip which is removed as the king pin is inserted into the king pin receiving opening. Wedges are automatically pushed between the inserted jaws and skid plates fastened to side plates of the box frame. A cushion block separates the inner king pin mounting jaw to cushion against impact during insertion of the king pin.

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