1979-09-28
1982-01-19
Pinkham, Richard C.
Undertaking
272122, A63B 2100, B63B 1100
Patent
active
043113060
ABSTRACT:
An exercise device which can be interchangeably used by men, women, and children alike, in the water, without substantial modification. The exercise device permits a large range of movement and increased control of resistant forces, torque and torsion. The exercise device includes a hydrodynamic resistance assembly which preferably is in the form of water-engageable blades or one or more apertured spherical shells each housing a rotatable apertured ball. The exercise device can be in the form of barbells, leg lifts, baseball bats, golf clubs, tennis racquets, etc., for strengthening the muscles used in particular sports, as well as for general muscular improvement.
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Popular Science, Aug. 1961, pp. 160-164, Paddle Wheel.
Toys & Novelties, Mar. 1958, p. 516, Water Trapeze.
Kramer Arnold W.
Pinkham Richard C.
Tolpin Thomas W.
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