System for skip rope exercising

Details System for skip rope exercising System for skip rope exercising

1984-12-06

1987-10-13

Hafer, Robert A.

Undertaking

272 75, 272DIG5, A63B 522, A63B 520

Patent

active

046993754

ABSTRACT:
A system for exercising with a skip-rope including a tread mat having a sensor embedded therein that is responsive to the proximate passage of the skip-rope and read-out instrumentation connected to the sensor for counting the number of skips.

REFERENCES:
patent: 181726 (1876-08-01), Savage et al.
patent: 932331 (1909-08-01), Russell et al.
patent: 1189307 (1916-07-01), Stokes et al.
patent: 4216956 (1980-08-01), Yamamura et al.
patent: 4336933 (1982-06-01), Appelbaum
patent: 4378111 (1983-03-01), Tsuchida et al.
patent: 4477070 (1984-10-01), Appelbaum

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