Locking device for releasably retaining fins onto sailboards and

Details Locking device for releasably retaining fins onto sailboards and Locking device for releasably retaining fins onto sailboards and

1992-06-25

1993-06-01

Sotelo, Jesus D.

Buoys, rafts, and aquatic devices

Water skimming or walking device

Having stabilizing surface

24510, 403325, A63C 1505

Patent

active

052154882

ABSTRACT:
An essentially flat parallelogram-shaped locking nut with rotational biasing spring is disclosed as part of a locking device attached to a supporting tongue of a nautical fin for water craft, such as sailboards, where their hulls or keels either contain or may be modified to contain an elongated channeled mounting box with internally recessed lateral grooves for receiving said nut and thereby locking the fin to the hull.

REFERENCES:
patent: 4297963 (1981-11-01), Beacom
patent: 4701144 (1987-10-01), DeWitt
patent: 4964826 (1990-10-01), Lobe

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