Multi-force breaking board for martial arts

Details Multi-force breaking board for martial arts Multi-force breaking board for martial arts

1990-08-14

1992-07-21

Apley, Richard J.

Exercise devices

Striking

482908, A63B 6900

Patent

active

051318962

ABSTRACT:
A karate practice board for subjection to hand and foot strikes comprises all permanent parts, by which the practice board or striking board can be manufactured and reused to reduce the cost of engaging in this sport or hobby. The striking board is comprised of a pair of rigid parts, and an insert part is adapted to be assembled between the rigid parts. The rigid parts are provided with cavities in which the insert part can be received in locked assembly. One of the rigid parts and the insert part are provided with a severable joint that can be severed by striking a karate hand or foot blow to the board preferably in proximity of the insert part. The kit is provided with a series of insert parts of varying length and strength which will require different predetermined severing forces to cause the board made with such parts to be severed.

REFERENCES:
patent: 3883135 (1975-05-01), Milliken
patent: 4004799 (1977-01-01), Kundert
patent: 4052056 (1977-10-01), Friedenthal
patent: 4083557 (1978-04-01), Friedenthal
patent: 4365800 (1982-12-01), Hay et al.

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