Patent ID: 7048294
Filing Date: 2006-05-23
Classification: B60D,F16B,Y10T

Abstract:
1. A locking drawbar assembly comprising: a drawbar having a pin bore for receiving a drawbar pin; a body mounted on the drawbar adjacent the pin bore, the body having a bolt bore extending therethrough generally perpendicular with respect to the pin bore, the body having a first end face generally perpendicular to an axis of the bolt bore and facing towards the drawbar pin, a second end face facing generally away from the first end face, and a shoulder positioned intermediate said first and second end faces and facing generally towards the drawbar pin; a bolt element with a shank which can be inserted into the bolt bore, the bolt element having first and second bores extending into a first end thereof; and a spring element having a first end inserted into the first bore in the bolt element, a second end inserted into the second bore in the bolt element, and a crossmember extending transversely to a main axis of the shank, the spring element being biased so that the crossmember is urged towards the shank, the bolt element being axially movable to a locked position wherein a free end of the bolt element extends out of the bolt bore and the crossmember engages the first end face, and the bolt element being axially movable to an unlocked position wherein a free end of the bolt element does not extend out of the bolt bore and the crossmember engages the shoulder.