Exercise machine

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Patent

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Details

272 72, 272129, 272132, A63B 6906, A63B 2304, A63B 2122

Patent

active

048220329

ABSTRACT:
A highly compact and lightweight exercise machine which, in one unit, includes the features of a bicycle ergometer and of a rope pulling machine. The resistance to the movement of the bicycle ergometer and rope pulling machine features is provided by the same resistance apparatus. The resistance apparatus includes a metallic disk which is connected to the bicycle ergometer and rope pulling features and which rotates near a source of magnetism. The interaction between the rotating disk and the source of magnetism creates electromagnetic forces which exert drag on the disk. The exercise machine is constructed so that all rotatable components require only two shafts, which construction significantly reduces the space requirements of the exercise machine components. A differential pulley system is incorporated in the exercise machine and amplifies the resistance produced by the resistance apparatus. The exercise machine also includes a system for measuring rotational velocity and/or force caused by a user of the exercise machine.

REFERENCES:
patent: 3162783 (1964-12-01), Zozulin
patent: 3221196 (1965-11-01), Henry-Baudot
patent: 3759512 (1973-09-01), Yount
patent: 3831942 (1974-08-01), Del Mar
patent: 3966201 (1976-06-01), Mester
patent: 4188030 (1980-02-01), Hooper et al.
patent: 4463945 (1984-08-01), Spector
patent: 4479646 (1984-10-01), Chirapozu
patent: 4537396 (1985-08-01), Hooper
patent: 4678184 (1987-07-01), Neiger

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