Ships – Spars – Masts and masting
Patent
1998-04-15
2000-07-25
Basinger, Sherman
Ships
Spars
Masts and masting
114 97, B63B 1500
Patent
active
060924810
ABSTRACT:
A windsurfer sailing rig includes a mast with a top mast extension. A swivel connection connects the extension to the top of the mast. In use, down haul tension for the mast is applied to hold the swivel connection downwards in position.
REFERENCES:
patent: 4964353 (1990-10-01), Morrelli
patent: 4977843 (1990-12-01), Ewert et al.
Spanier Barry
Starbuck David
Basinger Sherman
Neil Pryde Limited
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