Pivoting fin with elastic bias

Details Pivoting fin with elastic bias Pivoting fin with elastic bias

1997-08-12

1998-09-29

Swinehart, Ed L.

Buoys, rafts, and aquatic devices

Water skimming or walking device

Having stabilizing surface

114140, B63B 100

Patent

active

058138900

ABSTRACT:
A fin assembly for mounting to a lower surface of a watercraft hull comprises a base for attachment in a fixed position to a watercraft hull lower surface, the base having first hinge pin receiving bores defining a hinge axis, a fin having an inner end having second pin receiving bores for pivotally securing to the base for pivoting about the hinge axis, and a hinge pin mounted in the first and the second hinge receiving means pivotally connecting the fin to the base, and an elastomeric member disposed between the base and the fin for resisting pivotal movement of the fin relative to the base

REFERENCES:
patent: 731227 (1903-06-01), Royse
patent: 3516100 (1970-06-01), Ellis
patent: 3972300 (1976-08-01), Adamski
patent: 4686922 (1987-08-01), Burroughs
patent: 4923427 (1990-05-01), Roland
patent: 5273472 (1993-12-01), Skedeleski et al.
patent: 5622134 (1997-04-01), Kelsey

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