Boxing exercise apparatus with damping adjustment

Details Boxing exercise apparatus with damping adjustment Boxing exercise apparatus with damping adjustment

1998-06-17

1999-11-16

Donnelly, Jerome

Exercise devices

Striking

482 87, 482 90, A63B 6900

Patent

active

059848421

ABSTRACT:
A boxing exercise apparatus is mounted on a stand. A pivoted support arm provides a strike absorbing means. In a first embodiment, the support arm is connected to the stand with a spring joined to a rigid rod. The rigid rod is preferably positioned in a neutral position with an integral positioning means. Displacement of the support arm away from the neutral position toward a rocked-back position is counteracted by the spring. In a second embodiment, the apparatus further includes a second spring joining segments of the stand so as to bias lateral movement of the support arm. When the support arm is deflected, the first spring and the second spring retards the motion of the support arm within two degrees of freedom. A friction adjustment is provided so as to adjust motion stiffness. This adjustment provides a novel approach using a friction washer.

REFERENCES:
patent: 3398953 (1968-08-01), Thompson
patent: 3927879 (1975-12-01), Long et al.
patent: 3942796 (1976-03-01), Bowen
patent: 4093212 (1978-06-01), Jacques
patent: 5108095 (1992-04-01), Nichols

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