B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
B65G 41/00 (2006.01) B60D 1/24 (2006.01) B62D 13/00 (2006.01) B62D 13/04 (2006.01) B65G 15/22 (2006.01) E21C 35/20 (2006.01)
Patent
CA 2578431
A hitch apparatus is provided for use on a first mobile machine such as a conveyor vehicle to be used with a second mobile machine such as another conveyor vehicle connected to the first machine. The apparatus includes a track member adapted for mounting at an end of the first machine, this member providing a track having two opposite sides and bent to form a circular arc having a centre of curvature. A hitch unit is mounted for rolling movement on the track and can pivotably connect the end of the first machine to the second machine. The hitch unit includes rollers for engaging both of the opposite sides so that the track is captured between the rollers. The first machine in use is able to pivot about a substantially vertical axis extending through the center of curvature relative to the second machine and is connected to the second machine for movement therewith.
Demong Maurice
Krueckl Edward
Prairie Machine & Parts Mfg. (1978) Ltd.
Ridout & Maybee Llp
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