Parallel rotation bar

Details Parallel rotation bar Parallel rotation bar

1991-04-08

1992-06-02

Apley, Richard J.

Exercise devices

Gymnastic

Horizontal bar

482 38, 482 93, 472 16, A63B 112

Patent

active

051180979

ABSTRACT:
A pair of parallel bars forming part of a rectangular frame, mounted for rotation relative to two end handles and having locking pins to prevent rotation, adapted to be used for gymnastic exercises and to be carried by two ice skaters.

REFERENCES:
patent: 3083037 (1963-03-01), Gordon
patent: 3141669 (1964-07-01), Yun Chul
patent: 3164382 (1965-01-01), Johnson
patent: 3276777 (1966-10-01), Pruitt
patent: 3826488 (1974-07-01), Hall
patent: 4274639 (1981-06-01), Flanders
patent: 4402500 (1983-09-01), Cole
patent: 4746116 (1988-05-01), Inada
patent: 4822035 (1984-04-01), Jennings
patent: 4961574 (1990-10-01), Law

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