Portable exercise device

Details Portable exercise device Portable exercise device

1998-07-03

2000-01-11

Apley, Richard J.

Exercise devices

Hand, wrist, or finger

Involving wrist rotation

482 79, 482118, 482132, A63B 21012, A63B 2310, A63B 2314

Patent

active

060130105

ABSTRACT:
An exercise device retractable, compact, and portable comprised of a main center piece block assembly, with two aligned handles with adjustable tension control. The center piece block assembly on one of the two surfaces has a multitude of spherical ball rollers to allow rotatability to every desired direction with a minimum friction or resistance. The opposite side of the center piece block provides a mild recessed surface corresponding to foot heel impression to allow stability for the footrest zone during user exercising. The handgrips of the device in this invention offers torsion control of either the same or the opposite direction of rotation during wrist exercise.

REFERENCES:
patent: 1824920 (1931-09-01), Novak
patent: 2921791 (1960-01-01), Berne
patent: 3672670 (1972-06-01), Burzenski
patent: 4108429 (1978-08-01), Minichiello
patent: 4203591 (1980-05-01), Gibson
patent: 4557479 (1985-12-01), Guibert
patent: 5167596 (1992-12-01), Ferber
patent: 5507712 (1996-04-01), Chang
patent: 5536223 (1996-07-01), Ferber

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