1984-10-12
1986-11-04
Apley, Richard J.
Undertaking
272131, A63B 2124
Patent
active
046207031
ABSTRACT:
An exercise apparatus features a mechanical arrangement in which the motion of a rotary passive resistance device is translated to bi-directional linear motion. The apparatus has a central columnar structure on which a traveler assembly is carried for movement in a generally vertical plane. The traveler assembly has a horizontal bar, mounted between arms, through which the one exercising applies effort to the apparatus. A counterweight is provided to balance the weight of the traveler assembly. First and second cables extend respectively up and down from the traveler assembly, across idler pulleys, and then respectively down and up to a common rotatably mounted drum assembly. Thus, movement of the traveler assembly results in winding of one cable onto the drum assembly, while the other is unwound. A rotary passive resistance device, preferably a magnetic particle brake, is connected to the drum to provide a controllable force which the user must overcome. An electrical control system makes possible selection of different resistances for upward and downward motion.
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Apley Richard J.
Bahr Robert W.
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