Land vehicles – Wheeled – Occupant propelled type
Patent
1976-04-06
1977-09-20
Blix, Trygve M.
Land vehicles
Wheeled
Occupant propelled type
114 39, 114 43, 180 2A, B62B 1500
Patent
active
040492877
ABSTRACT:
A wind-propelled sail vehicle comprises a perimeter frame, a mast and a chassis with three support members such as wheels, pads or skis. Two support members of fixed orientation are situated forward, the third support member, for steering, is situated aft and the mast is placed substantially vertically over the forward support members. The mast is positively mounted in the head of a rigid tripod and fixed with respect to the middle of the front cross-beam of the chassis. One foot of the tripod is mounted to the frame and the other feet to the lateral portions of the frame. The laterally mounted feet at their juncture with the frame form the axles upon which the wheels, pads or skis are mounted. This construction greatly increases manoeuvrability while reducing the overall weight of the apparatus for a given sail surface.
REFERENCES:
patent: 2238464 (1941-04-01), Fletcher
patent: 2351542 (1944-06-01), Paull
patent: 3395664 (1968-08-01), Greenberg et al.
patent: 3572740 (1971-03-01), Rypinski
patent: 3831539 (1974-08-01), Black
Blix Trygve M.
Goldstein Stuart M.
Greigg Edwin E.
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