Ships – Centerboards – Vertical drop
Patent
1994-06-27
1996-02-27
Sotelo, Jesus D.
Ships
Centerboards
Vertical drop
441 79, B63B 338
Patent
active
054939895
ABSTRACT:
A watercraft containing a fin box system, said fin box system comprising a chamber of spaced side walls and end walls, and a fin with a fin base that can travel vertically, horizontally or at an angle within said chamber; said chamber is fixed within said watercraft, and said fin base having a device to expand and contract itself against said side walls or end walls can be releasably fixed at an infinite number of positions within said fin box.
REFERENCES:
patent: 5176096 (1993-01-01), Molnar et al.
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