Exercise devices – User manipulated force resisting apparatus – component... – Utilizing force resistance generated by user only
Patent
1999-07-09
2000-01-25
Donnelly, Jerome
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing force resistance generated by user only
482127, 482907, A63B 2122
Patent
active
060172967
ABSTRACT:
An exercise wheel comprises a housing provided therein with a receiving compartment, a grip rod which is put through the housing such that both longitudinal ends thereof are left out in the outerside of the housing, a main wheel rotatably mounted on the grip rod such that the main wheel is located in the receiving compartment of the housing, two auxiliary wheel sets pivoted in the housing such that they are linked with the main wheel, and at least one elastic recovery device disposed between the main wheel and the housing for providing the main wheel with a recovery force enabling the main wheel to return to its original angular position.
REFERENCES:
patent: 1824920 (1931-09-01), Novak
patent: 2821344 (1958-01-01), Barbeau
patent: 3403906 (1968-10-01), Borzenski
patent: 3938803 (1976-02-01), Wilmoth et al.
patent: 4892305 (1990-01-01), Lynch
patent: 5433685 (1995-07-01), Winslow et al.
Tang Jack
Yu Hui-Nan
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