Ships – Watercraft with means used in providing sailpower – Having specifically defined hull shape
Patent
1991-09-23
1993-03-23
Sotelo, Jesus D.
Ships
Watercraft with means used in providing sailpower
Having specifically defined hull shape
29DIG2, 29DIG37, B63B 3582
Patent
active
051954435
ABSTRACT:
An improved windsurfing spreader having at least one pulley mounted thereon to rotatably engage the harness line and mounted in a manner to facilitate disengagement of the harness line from the pulley, when desired, and which is very light in weight and which is strong enough and rigid enough to withstand the stresses of windsurfing, yet which is sufficiently flexible to provide a shock-absorbing function to prevent injury to the surfer.
REFERENCES:
patent: 4588044 (1986-05-01), Mader
patent: 4630563 (1986-12-01), Pertramer
patent: 4712498 (1987-12-01), Oser
patent: 4741280 (1988-05-01), Mauderer et al.
patent: 4934297 (1990-06-01), Long
patent: 5069153 (1991-12-01), Pascher
Avila Stephen P.
Sotelo Jesus D.
Sperry Robert M.
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