B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
280/195
B62D 7/00 (2006.01)
Patent
CA 1109902
ABSTRACT OF THE DISCLOSURE An off-highway dump vehicle of the bottom-dump, two axle type having a single wheel in all positions; an A-frame front suspension which provides large steering angles for the vehicle wheels; an A-frame rear suspension system separate from the front suspension system; a dual braking system comprising primary and secondary brakes actuated by a a common brake pedal and arranged wherein the secondary brakes are automatically actuated upon failure of the primary brakes for any reason; the vehicle structrual elements being pinned together for facilitating assembly and disassembly thereof for shipment of the vehicle to the site of operation thereof; the vehicle load in the rear is carried directly on torque tubes and the front load is cantilevered from the torque tubes; the vehicle deck is a "floating" type structure in that the only elements carried by the deck are the fluid lines for the braking system, steering system, and the like; the access door to the axle box is of a self-closing construction in that air pressure differential across the door urges the door toward a closed position and keeps it closed; the vehicle transmission is of the automatic type which includes a "park" position, and the vehicle is provides with a front engine and rear wheel drive. - 2 -
291491
Bartley Francis A.
Goodbary Edgar R.
Goodbary Engineering Co.
Smart & Biggar
LandOfFree
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