Reusable karate striking board

Details Reusable karate striking board Reusable karate striking board

1976-08-26

1977-10-04

Pinkham, Richard C.

Undertaking

428 58, 428133, A63J 500

Patent

active

040520560

ABSTRACT:
A karate practice board, for subjection to hand and foot strikes, comprises permanent and disposable parts, by which the practice board inexpensively simulates frangibility and permits reassembly. The permanent parts of the board being similar in configuration and each being provided with a concavity in an edge portion thereof. The disposable parts being smaller than the permanent parts and being configured to removably slide into the concavities whereby the permanent parts can be temporarily joined at their edges such that they will appear as a single board. Upon striking the board with a predetermined force, the insert part will be severed to separate the permanent parts. The severed insert part will be removed from the concavity of each permanent part and another insert part will be inserted to render the board reusable. Each insert part having a different strength which will require a different predetermined severing force.

REFERENCES:
patent: 3973772 (1976-08-01), Milliken
patent: 4004799 (1977-01-01), Kundert

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