1978-11-24
1980-12-16
Pinkham, Richard C.
Undertaking
273 55R, A63B 6924
Patent
active
042392098
ABSTRACT:
An exercise device simulates the rebound and some of the twisting action of a speed bag by providing a V-shape body of spring material mounted by one of the arms in an inverted position with the other arm free to reciprocate and twist. A shock cord restrains the reciprocating arm from full rebound action and controls twisting movements.
REFERENCES:
patent: 2237600 (1941-04-01), Gilman
patent: 2934343 (1960-04-01), Schumacher
patent: 3336805 (1967-08-01), Austin
patent: 3813093 (1974-05-01), Taupin
patent: 3927879 (1975-12-01), Long et al.
patent: 4093212 (1978-06-01), Jacques
American Fitness, Inc.
Brown T.
Pinkham Richard C.
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