Air operated fifth wheel

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 53/08 (2006.01) B62D 53/12 (2006.01)

Patent

CA 2129811

An accessory fluid cylinder and cam apparatus mounted under a fifth wheel , which is both manually operable or energizable by a tractor air system to enable a driver to automatically and remotely release the safety latch and unlock the fifth wheel jaw to release a trailer king pin when the tractor parking brake is engaged.

Cylindre hydraulique accessoire et appareil à came montés sous une sellette d'attelage qui peuvent être tous deux commandés manuellement ou actionnés par le circuit pneumatique d'un véhicule tracteur pour permettre au conducteur de libérer automatiquement et à distance le verrou de sécurité et déverrouiller la mâchoire de la sellette d'attelage afin de libérer le pivot d'attelage lorsque les freins du véhicule tracteur sont engagés.

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