B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 55/084 (2006.01) B60G 5/00 (2006.01) B60G 21/00 (2006.01) B62D 55/04 (2006.01) B62D 55/10 (2006.01)
Patent
CA 2057188
This invention defines a suspension arrangement for off-highway vehicle that comprises a front pair or walking beams, a rear pair of walking beams, each beam pivoted to the vehicle underframe, articulated joints connecting the rear end of the front beam to the front end of the rear beam to allow up-and- down relative pivoting between the front beams and the rear beams, wheel axles and wheels at the outer end of each beam and at the articulated joints to form a three-axle arrangement, one pair of walking beams being extendible and retractable in length for allowing pivoting of the pairs of walking beams relative to the vehicle chassis, the pivot for one pair of walking beams being preferably positioned higher than the other to accommodate endless tracks of constant length around the wheels on the opposite sides of the vehicle, irrespective of the pivoted positions of the beams, and the transverse pivots for the walking beams have outer end portions projecting a predetermined length from the underframe to carry a corresponding walking beam and a tubular spacer inward or outward of the latter to allow space for a wide endless track or for a narrow endless track producing a wide endless track configuration or a narrow endless track configuration.
Lagace Jean-Hughes
Rotobec Inc.
LandOfFree
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