Mast box for a sailboard

Details Mast box for a sailboard Mast box for a sailboard

1993-03-29

1995-01-17

Swinehart, Edwin L.

Ships

Watercraft with means used in providing sailpower

Having specifically defined hull shape

441 74, 441 79, B63B 3579

Patent

active

053817478

ABSTRACT:
A mast box for a sailboard is embedded in the sailboard. The mast box has a T-shaped groove for clamping a mast foot to the sailboard, a pin for holding a leash rope, and a vent for venting pressure from the core of the sailboard. The vent may include a one way valve.

REFERENCES:
patent: 1323732 (1919-12-01), Allen
patent: 1872230 (1932-08-01), Blake
patent: 4718367 (1988-01-01), Camp et al.
patent: 4964825 (1990-10-01), Paccoret et al.

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