Fifth wheel hitch requiring reduced or no lubricant

Details Fifth wheel hitch requiring reduced or no lubricant Fifth wheel hitch requiring reduced or no lubricant

B - Operations, Transporting

62

D

B62D 53/06 (2006.01) B62D 53/08 (2006.01) B62D 53/12 (2006.01) F16C 33/06 (2006.01)

Patent

CA 2475807

A trailer hitch assembly (20) includes a hitch plate (26) and a locking mechanism (28). The hitch plate (26) includes a throat (60) for receiving a kingpin (70) of a trailer. The locking mechanism (28) locks the kingpin (70) in the throat (60) and includes a pair of lock jaws (201a, 201b) whose lock jaw contact surface, which contacts the kingpin (70), is treated with an alloy obviating the need for a lubricant while maintaining the wear life of the pair of lock jaws (201a, 201b).

La présente invention concerne un ensemble boule d'attelage de remorque qui comprend une plaque d'attache et un mécanisme de verrouillage. Cette plaque d'attache comprend une gorge destinée à recevoir une cheville d'attelage de remorque. Le mécanisme de verrouillage verrouille la cheville d'attelage dans la gorge et comprend une paire de mâchoires de verrouillage dont la surface de contact, en contact avec la cheville d'attelage, est traitée avec un alliage qui permet de se passer d'un lubrifiant tout en conservant la durée de vie de la paire de mâchoires de verrouillage.

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