Brace system and method for a vehicle at a loading dock

Details Brace system and method for a vehicle at a loading dock Brace system and method for a vehicle at a loading dock

B - Operations, Transporting

65

G

B65G 69/00 (2006.01)

Patent

CA 2551550

To help hold a (trailer) bed (16) of a truck (12) or trailer steady at a loading dock (14) as the truck is being loaded or unloaded of its cargo, a yieldable vehicle brace (200) exerts a substantial, but limited, reactive force upward against the trailer's rear impact guard (18) to resist the trailer's downward movement. In some embodiments, the brace holds the trailer bed stationary up to a certain load limit and provides the trailer bed with a controlled or dampened descent when the load exceeds that limit. In some cases, the reactive upward force exerted by the brace increases with the downward velocity of the trailer bed. The reactive force can be created by one or more pressure relief valves, hydraulic fluid passing through a flow restriction, a brake, a spring, or various combination thereof. Some embodiments of the brace include provisions for accommodating horizontal movement of the rear impact guard.

L'invention concerne un support (200) pour véhicule, destiné à maintenir stable le châssis (16) d'un camion (12) ou d'une semi-remorque tandis que le camion est chargé ou déchargé de ses marchandises, et exerçant une force ascendante sensiblement réactive mais limitée vers le haut contre le pare-chocs arrière (18) du camion pour résister au mouvement descendant du camion. Dans certains modes de réalisation, le support maintient fixe le châssis du camion jusqu'à une certaine limite de charge, et permet une descente contrôlée ou amortie du châssis du camion lorsque la charge dépasse cette limite. Dans certains cas, la force réactive exercée vers le haut par le support augmente avec la vitesse descendante du châssis du camion. La force réactive peut être générée par une ou plusieurs soupapes de sûreté, un fluide hydraulique passant par un réducteur de débit, un frein, un ressort, ou diverses combinaisons de ceux-ci. Dans certains modes de réalisation, le support est configuré pour recevoir le mouvement horizontal du pare-chocs arrière.

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