Remotely releasable coupler and hose retrieval mechanism for...

F - Mech Eng,Light,Heat,Weapons – 16 – L

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F16L 35/00 (2006.01) F16L 37/00 (2006.01) F16L 55/00 (2006.01)

Patent

CA 2555212

A remotely releasable brake hose coupler for pressure fluid operated brake systems, such as on a motor truck and semi-trailer unit, and a retrieval mechanism for retrieving flexible hoses connected to the coupler. Pressure air from the truck tractor brake system is conducted through a valve to an actuator for effecting movement of a coupler member to release engagement with a corresponding coupler fitting mounted on a trailer. One or more air brake hoses connected to respective remotely releasable couplers are connected to tensioning mechanisms and to a movable boom mounted on the truck tractor for extending the hoses during a remote release operation and then retracting the hoses and couplers to a stored position when the remotely releasable couplers are disconnected from the trailer fittings.

L'invention concerne un coupleur de flexibles de frein libérable à distance destiné à des systèmes de frein à fluide sous pression, tels que ceux de camions et de semi-remorque, et un mécanisme permettant d'extraire des flexibles reliés au coupleur. L'air sous pression provenant du système de frein du camion tracteur est dirigé à travers une valve vers un actionneur destiné à déplacer un élément de coupleur afin de libérer la prise avec un raccord d'un coupleur correspondant installé sur une remorque. Un ou plusieurs flexibles de freins pneumatiques reliés à des coupleurs libérables à distance correspondants sont reliés à des mécanismes de tension et à un bras mobile monté sur le camion tracteur pour étendre les flexibles lors d'une libération à distance et pour les escamoter ainsi que les coupleurs en position de rangement lorsque les coupleurs libérables à distance sont débranchés des raccords de la remorque.

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