B - Operations – Transporting – 60 – D
Patent
B - Operations, Transporting
60
D
B60D 1/36 (2006.01)
Patent
CA 2196967
A self aligning hitch arrangement for attachment to the drawbar of a towing vehicle for lifting and aligning a trailer tongue into place on a towing ball member, which includes a mounting plate attachable to the drawbar and having upwardly extending side members which support a horizontal transverse pivot in front of (i.e. on the vehicle side of) the ball member. A ramp member is supported by the transverse pivot and has a ramp plate with its front edge spaced behind the ball member. The ramp member is pivotable between a raised position in which the plate lies at a suitable angle for lifting the trailer tongue onto the ball member, and a lowered position in which the plate lies at a steeper angle and allows the tongue to fall onto the ball member. The ramp member also has flanges diverging rearwardly from opposite lateral sides of the ball member to guide the trailer tongue laterally into position as the towing vehicle backs towards the trailer tongue. A latch carried by the side members has shoulders for holding the ramp member in its raised position and has an abutment surface which is struck by the tongue as this becomes located over the ball member, causing it to release the ramp member and allowing this to fall to its lowered position while the tongue falls onto the ball member.
Richardson Ronald Harold
Swann Julian B.
LandOfFree
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