Undertaking
Patent
1986-02-20
1987-11-10
Apley, Richard J.
Undertaking
272114, A63B 2100
Patent
active
047052724
ABSTRACT:
An item of sports equipment or a games device comprising a supporting plate which provides space for two feet and which is equipped with rotatable elements, wherein the supporting plate has a camber on the upper side, and at least one horizontally rotatable supporting disk is arranged to be attached near to each end of the under side.
REFERENCES:
patent: 3108802 (1963-10-01), Sundquist
patent: 3361427 (1968-01-01), Paves
patent: 3895794 (1975-07-01), England
patent: 4095817 (1978-06-01), Cohen
patent: 4108452 (1978-08-01), Baron
patent: 4285516 (1981-08-01), Heatwole
Apley Richard J.
Prizant James
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