Forearm swim fin

Details Forearm swim fin Forearm swim fin

1986-06-16

1988-07-12

Peters, Jr., Joseph F.

Buoys, rafts, and aquatic devices

Swimming aid to increase stroke efficiency

Arm attached

A63B 3112

Patent

active

047566990

ABSTRACT:
A swimming aid includes a pair of curved molded plastic armbraces together with a pair of removeable straps for securing the curved armbraces to the forearm of a swimmer. A pair of substantially planar fin members are pivotally attached to the armbraces by means of a hinge combination which includes pivot limits to restrict the pivotal motion of the fin members between an outwardly extending position and a rearwardly extending collapsed position. Stop members are provided for altering the collapsed position of the fin members to increase the effort required of the swimmer during the return stroke.

REFERENCES:
patent: 689085 (1901-12-01), Hooper
patent: 1548054 (1925-08-01), Meadows
patent: 3097375 (1963-07-01), Griffith
patent: 3107371 (1963-10-01), Thompson
patent: 3290707 (1966-12-01), Montgomery
patent: 3424133 (1969-01-01), Brady
patent: 3827095 (1974-08-01), Feather

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