Patent ID: 7478824

Claim:
A vehicle drawbar hammer strap assembly comprising: a vehicle drawbar; a hammer strap member attached to the vehicle drawbar, the vehicle drawbar and the hammer strap member being adapted to receive an implement tongue; a drawbar pin mountable to the vehicle drawbar and hammer strap member; a cross pin rotatably mounted in the hammer strap for operable engagement with the drawbar pin to releasably hold the drawbar pin in a mounted position, the cross pin having a lever arm manipulatable to rotate the cross pin to an unlocked position permitting insertion of the drawbar pin and to a locked position preventing movement of the drawbar pin; and a trigger pivotally coupled to the hammer strap member, the trigger being engagable with the tongue and the cross pin, the trigger being pivotal from a latched position wherein it engages the cross pin and holds the cross pin in its locked position to an unlatched position wherein it is spaced apart from the cross pin, insertion of the tongue into a space between the vehicle drawbar and the hammer strap causing the tongue to engage the trigger and pivot the trigger from its latched to its unlatched position.