Exercise devices – User manipulated force resisting apparatus – component... – Utilizing frictional force resistance
Patent
1999-05-04
2000-10-31
Mulcahy, John
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing frictional force resistance
482115, 482118, 602 16, A63B 21012, A63B 21015, A61F 1300
Patent
active
061394769
ABSTRACT:
A dynamic tensioner that exhibits direction responsive, adjustable, rotational resistance. The tensioner is particularly suited for use in exercise equipment to provide physiological sculpting. A ratcheting mechanism is combined with an adjustable resistance bearing to provide a specific resistance in a first rotational direction, and almost no resistance in the opposite rotational direction, based on the position of a selector switch. Two of the tensioners can be used to provide adjustable resistance in both rotational directions. When two of the tensioners are used, the ratcheting mechanisms can be set to work oppositely to allow adjustable resistance in both directions, or set to work together for increased adjustable resistance in one direction and free movement in the opposite direction. Various embodiments of the adjustable resistance bearing are envisioned. An exercise bar and an exercising leg or arm brace, using the dynamic tensioner of the present invention are also disclosed.
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Mulcahy John
Pothier Denise
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