1986-11-06
1987-09-15
Scanlan, Jr., Richard J.
Undertaking
272117, 272128, A63B 522
Patent
active
046934693
ABSTRACT:
A portable exercise device for simulating jumping rope has a handle portion which is connected to a weighted tubular portion via a flexible and stretchable rubber strip. The weighted portion has a weight element mounted in the end of the tube adjacent the handle portion to make the center of gravity of the weighted portion closer to the handle portion. One end of the rubber strip is connected to a rotatably-mounted central shaft extending through the handle portion, so that the shaft and interconnected weighted portion may rotate relative to the handle portion. The other end of the rubber strip projects outwardly from an end of the weighted portion and has a stop member. The weighted portion slides along the rubber strip, so that, when the handle portion is given a swinging motion by an arm, the weighted portion revolves about the handle portion. During the revolving of the weighted portion, the centrifugal force causes the weighted portion to slide outwardly along the rubber strip and abut against the stop member, which rubber strip also stretches from the centrifugal force, to enhance the aerobic workout. When the revolving of the weighted portion is combined with leg movements, jumping rope is completely simulated but in an area not requiring a high ceiling. In a modification, the weighted element is mounted for sliding movement.
REFERENCES:
patent: 1013782 (1912-01-01), Koch
patent: 3062543 (1962-11-01), Shaboo et al.
patent: 3874660 (1975-04-01), Brethen
patent: 4305582 (1981-12-01), Barton
patent: 4513963 (1985-04-01), Nelson et al.
patent: 4557479 (1985-12-01), Guibert
Gerstein Milton S.
Scanlan, Jr. Richard J.
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