B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
305/20
B62D 57/02 (2006.01) B62D 57/00 (2006.01)
Patent
CA 1267668
ABSTRACT OF THE DISCLOSURE The present invention provides a cross-country vehicle for stepwise locomotion across terrain comprising a pair of hydraulically operated leg units at the front of the vehicle and a pair of wheels at the rear of the vehicle, the height of the wheels being adjustable which wheels` are hydraulically supported on longitudinal arms. Motion of the vehicle is effected by app- ropriate movements made by means of hand levers and amplifiers. An on board computer automatically provides for a constant and substantially horizontal position of the vehicle cab and cons- tantly carriers out calculations to ensure that when one leg is raised the position of the centre of gravity is at that moment within the three support points. Advantages of leg units are thus combined with advantages of wheels. The command of the leg elements is greatly simplified since there are only two such units. The vehicle is well suited as a vehicle platform for machinery used in forestry, due to its cross-country capability.
515794
Marks & Clerk
Werder Martin
LandOfFree
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