Martial arts striking device

Details Martial arts striking device Martial arts striking device

1998-01-30

1999-07-13

Donnelly, Jerome

Exercise devices

Striking

482 87, A63B 6900

Patent

active

059218959

ABSTRACT:
A martial arts striking device using a pair of spaced and heavy duty spring assemblies with a top bracket having a centered opening for receiving an upright post supporting a resilient striking bag. The lower ends of the spring assemblies are secured to a bottom bracket, which is fastened to a firm footing such as a floor. The wire making up the springs are of such a diameter that the springs have a low spring constant, meaning the springs are highly resistive to impacts against the bag and will return to an upright position without undue oscillation.

REFERENCES:
patent: 615700 (1898-12-01), Hess
patent: 2009040 (1935-07-01), Beach
patent: 3427021 (1969-02-01), Donato
patent: 3888481 (1975-06-01), Adams, Jr. et al.
patent: 4662630 (1987-05-01), Dignard et al.
patent: 4903966 (1990-02-01), Liao

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