1983-11-25
1986-01-07
Apley, Richard J.
Undertaking
A63B 520
Patent
active
045630020
ABSTRACT:
A jump rope provided with a handle at each end structured to rotatably receive the end of the rope to prevent twisting of the rope when the jump rope is swung.
REFERENCES:
patent: 633590 (1899-09-01), Hinkson et al.
patent: 1666201 (1928-04-01), Goldstein
patent: 2253075 (1941-08-01), Johnson
patent: 3363898 (1968-01-01), Crovello
patent: 3517931 (1970-06-01), Kalish
patent: 4136866 (1979-01-01), Bouvier
patent: 4375886 (1983-03-01), Muys
Popular Mechanics, Mar. 1979, p. 170, "Rediscover the Jump Rope".
Apley Richard J.
Crow S. R.
Gammons Robert T.
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