Patent ID: 7448640
Filing Date: 2008-11-11
Classification: B60D,Y10T

Abstract:
1. A pin-engaging wedge for selectively immobilizing a drawbar in a receiver having oppositely-disposed receiver pin openings, comprising: a pair of oppositely-disposed, elongated drawbar pin openings provided in said drawbar for selectively registering with said oppositely-disposed receiver pin openings in the receiver; a pin extending through said oppositely-disposed receiver pin openings and said pair of said oppositely-disposed elongated drawbar openings; a top frame opening provided in said drawbar an engaging member provided in said drawbar; and a lock plate fixed to said engaging member and a guide plate having a guide plate slot for receiving said engaging member and a tab extending through said top frame opening in said drawbar, said lock plate engaging the pin, wherein said lock plate tightens against the pin and said guide plate and the drawbar is forced against the receiver receptacle, responsive to manipulation of said engaging member.