Judo training device

Details Judo training device Judo training device

1988-11-29

1991-03-12

Crow, Stephen R.

Undertaking

446247, A63B 6900

Patent

active

049987194

ABSTRACT:
A training device for use in the sport of judo has a circular bottom surface curving upwardly, and a top part tapering inwardly and upwardly. The training device consists of an elastic material and it is symmetrical about its axis. In particular, the curvature of the flat part and the resulting line of the tapered top part are adapted to the anatomy of the foot, in particular, to the length of the foot and the shape of the instep. This device simplifies the practice of ASHI-WAZA.

REFERENCES:
patent: 665980 (1901-01-01), Roche
patent: 1040851 (1912-10-01), Berg
patent: 1481594 (1924-01-01), Fitzgerald
patent: 2194736 (1940-03-01), De Bruler
patent: 3612520 (1971-10-01), Chang
patent: 4165580 (1979-08-01), Miura
patent: 4273327 (1981-06-01), Nall et al.
patent: 4801140 (1989-01-01), Bergeron

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