Exercise devices – Support for entire body of user – Swivelled foot platform
Patent
1992-08-20
1993-10-26
Apley, Richard J.
Exercise devices
Support for entire body of user
Swivelled foot platform
A63B 2300
Patent
active
052561275
ABSTRACT:
An amusement twister has a base disk provided at the center thereof with a hollow axle, a locking disk provided at the center thereof with a round hole dimensioned to fit over the hollow axle of the base disk, and a rotation disk provided at the center of the underside thereof with an engaging rod dimensioned to fit into the hollow portion of the hollow axle in such a manner that the underside of the rotation disk presses the steel balls received partially in the slots located in the upper surface of the locking disk, so as to permit the rotation disk to be turned leftwards and rightwards for a short span in a reciprocating pattern by the user's feet standing on the rotation disk, which is further provided with a protruded portion serving as a baffle and containing therein a receiving space for housing a speaker, a sound-reproducing circuit board, a plurality of batteries, and a switch. A musical note or an exercise command stored programmably in the integrated circuit is reproduced, when the user of the amusement twister is doing an exercise on the twister.
REFERENCES:
patent: 3100639 (1963-08-01), Bonewitz
patent: 3454273 (1969-07-01), Voot
patent: 4109909 (1978-08-01), Csutor
patent: 4291873 (1981-09-01), Lee et al.
patent: 4840372 (1989-06-01), Oglesby et al.
Apley Richard J.
Richman Glenn E.
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