Patent ID: 6250650
Filing Date: 2001-06-26
Classification: B60D,B60S

Abstract:
An automatic system for uncoupling a trailer from a hitch yoke of a fifth wheel, and leveling the trailer, comprising:an unlocking cylinder for mounting on said fifth wheel;an unloading cylinder mechanism for mounting on the fifth wheel for selectively releasing the trailer from the fifth wheel and coupling the trailer to the fifth wheel; andan unlocking cylinder piston normally extending from said unlocking cylinder adjacent to said unloading cylinder for normally blocking an unloading action of said unloading cylinder mechanism; anda leveling mechanism for mounting on the trailer for automatically leveling the trailer after the trailer has been uncoupled from the fifth wheel responsive to selective retraction of said unlocking cylinder piston and said releasing of said trailer from the fifth wheel by said unloading cylinder mechanism and extension of said unloading cylinder piston in said unloading cylinder.