1990-04-25
1991-10-01
Apley, Richard J.
Undertaking
272129, 272130, 272DIG4, 434392, 446180, 446199, 273458, A63B 6900
Patent
active
050526839
ABSTRACT:
A boxing training partner comprised of a base, a figure body having two arms, a spring, a height adjusting device located in the base, a controller, and two arm extension devices. The controller controls the filling of gas bags, which are part of the arm extension devices, for causing the two arms to extend aperiodically, according to a predetermined sequence stored in a memory, so as to respectively give a blow. A pair of arch spring plates are placed in each of the two arms, for returning the two arms to their retracted position, each time after having been extended.
REFERENCES:
patent: 243456 (1881-06-01), Medart
patent: 4088315 (1978-05-01), Schemmel
patent: 4387893 (1983-06-01), Baldwin
patent: 4522394 (1985-06-01), Broussard
patent: 4609195 (1986-09-01), Ham
patent: 4765609 (1988-08-01), Wilson et al.
Wang Chuan M.
Wang Chuan S.
Apley Richard J.
Cheng Joe H.
Klein David I.
Rosenberg Morton J.
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