Patent ID: 6776432
Filing Date: 2004-08-17
Classification: B60K

Abstract:
A drawbar adapter assembly for a towing vehicle having a drawbar hitch for connecting a towed implement having a pull-through swivel hitch gearbox assembly to the towing vehicle, the adapter assembly, comprising:a first frame portion including a drawbar extension member having a proximal end and a distal end defining an open yoke; a horizontal cross pin spanning the open yoke; a clamp assembly to secure the drawbar extension member to the drawbar hitch; a second frame portion having an open downward hook for engagement with the cross pin; and a trunnion assembly to couple the second frame portion to the swivel hitch gearbox assembly, wherein the clamp assembly comprises a bottom bracket member positioned under the drawbar hitch and is securable to the drawbar extension member to provide a clamping load on the drawbar hitch so as to capture the drawbar hitch between the bottom bracket member and the drawbar extension member and wherein the bottom bracket member includes a channel cross-section having two beveled sides edges to engage the drawbar hitch for adjustable fit of the drawbar hitch.