Patent ID: 6024372
Filing Date: 2000-02-15
Classification: B60D,Y10S

Abstract:
A fifth-wheel extension adapter for coupling between a trailer king pin and a hitch assembly which is mounted in the bed of a towing vehicle, comprising:(A) an extension frame having a top end and a bottom end;(B) a first coupler mechanically attached to said bottom end of said extension frame for connecting to said hitch assembly and having a first lever attached at a first end to said first coupler and a second end attached to a connector line which provides a remote disconnect of said first coupler; and(C) a second coupler mechanically attached to said top end of said extension frame adapted to be permanently fixed to the trailer king pin, wherein said second coupler further comprises a vertical adjustment having a king pin lock fixed to a threaded support screw which has a.sub.-- support nut positioned on said threaded support screw, wherein said king pin lock can be adjusted in its vertical position within said extension frame by turning said support nut to accommodate trailer king pins of a variety of lengths.