Roll-back exerciser

Details Roll-back exerciser Roll-back exerciser

1997-12-03

1999-06-15

Clark, Jeanne M.

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing resilient force resistance

482126, 482139, A63B 2102

Patent

active

059116528

ABSTRACT:
A rectangular frame made up entirely of tubes and tubular connectors, and glue securing them together. The tubes are self-biased to straight shape, thus self-biasing the frame to a position lying in a common plane. The frame includes end members made up of longitudinally spaced elements, and the frame may have selectively two, or three longitudinal members.

REFERENCES:
patent: 192338 (1877-06-01), Marshall
patent: 4863159 (1989-09-01), Brown, Jr.
patent: 5026050 (1991-06-01), Leung et al.
patent: 5074549 (1991-12-01), Harvey
patent: 5342273 (1994-08-01), Plendl et al.
patent: 5533950 (1996-07-01), Lochbaum

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