Land vehicles – Ski or skate appliance or attachment – Wind sail for propelling or braking skier or skater
Patent
1979-12-31
1982-01-19
Peters, Jr., Joseph F.
Land vehicles
Ski or skate appliance or attachment
Wind sail for propelling or braking skier or skater
114103, A63C 1100
Patent
active
043113249
ABSTRACT:
A sail device for use in propelling a roller skater, ice skater or the like employs a balancing pole from which the sail material is suspended. The sail may be formed in two sections which come together near the center of the pole or may be formed in a single section with cut-outs near the center thereof to accommodate the hands of the user. The sails are generally triangular in shape, the lower corners of the sail sections, where dual sails are used, being removably attached to the shoes of the user as at the shoelaces thereof, and in the case of a single sail section, attachment being made to the user's shoe or a skateboard at or near the bottom apex portion of the triangle. In use, the user grasps the balance pole near the center thereof and suspends the sails in a desired position for propulsion by the wind.
REFERENCES:
patent: 1178165 (1916-04-01), Lupton, Jr.
patent: 1859178 (1932-05-01), Sprinkle
patent: 3830512 (1974-08-01), Spiegel
patent: 4204694 (1980-05-01), Freeman
"Austrian's Ski Sail Permits Long Leaps", Popular Mechanics, Jan. 1953, p. 155.
Peters Jr. Joseph F.
Sokolski Edward A.
Underwood Donald W.
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