Sail control apparatus for vehicles

Details Sail control apparatus for vehicles Sail control apparatus for vehicles

1975-04-11

1976-11-30

Song, Robert R.

Land vehicles

Wheeled

Occupant propelled type

114102, B62D 5704

Patent

active

039945081

ABSTRACT:
A sail arrangement having a hollow flexible boom with a short stiffener rod disposed therein near the forward end, and a stiffener tube which may be moved along the exterior of the boom. The flexible boom provides both automatic sail positioning and the spilling of excess wind during sudden strong gusts. In a second embodiment, a pivoted rigid boom is controlled by an elastic cord. In a third embodiment, a spring assembly permits the mast to pivot to spill the wind during strong gusts.

REFERENCES:
patent: 578411 (1897-03-01), Lotherington
patent: 639107 (1899-12-01), Sorensen
patent: 947731 (1910-01-01), Couder
patent: 2038166 (1936-04-01), Deal
patent: 3090340 (1963-05-01), McCutchen

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