Pivotal exercise handles having spring resistance

Details Pivotal exercise handles having spring resistance Pivotal exercise handles having spring resistance

1987-06-12

1988-03-08

Apley, Richard J.

Undertaking

272 68, A63B 520, A63B 2130

Patent

active

047295600

ABSTRACT:
A handle for a skipping rope having a hand-grip structure which is provided with a fixed or rotatable thumb-grip to be engaged by the user's thumb. The handle is formed of two handle membrs which are biased apart by a spring. The handle members can be closed or diverged by displacing the position of an axial ring. The skipping rope is attached to one of the handle members by a supporter device. Electronic counting systems are also provided to count either the number of times the hand-grip is compressed or the number of revolutions made by a skipping rope by using a single electronic counter.

REFERENCES:
patent: 740443 (1903-10-01), Korth
patent: 922330 (1909-05-01), Powell
patent: 3216259 (1965-11-01), Bendix, Jr.
patent: 3290043 (1966-12-01), Sorensen
patent: 3687458 (1972-08-01), Proctor, Jr.
patent: 4262898 (1981-04-01), Lee
patent: 4572503 (1986-02-01), Cho

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