Exercise devices – User manipulated force resisting apparatus – component... – Utilizing frictional force resistance
Patent
1994-05-19
1996-01-23
Reichard, Lynne A.
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing frictional force resistance
482127, 482129, 482904, A63B 21018
Patent
active
054861497
ABSTRACT:
A one way clutch is rotatable with a member (e.g. helical spring) and a sleeve while the spring is being constrained by the manual winding of a cable on the sleeve. The sleeve is constructed to wind the cable uniformly on the sleeve. During the constraint imposition, the clutch drives a shaft and a disc. One disc surface abuts bearing liners affixed to a casing. The other disc surface is separated from the spring. Calibrated numbers are printed on the casing periphery. A dial externally supported by, the casing is rotatable relative to the casing to any of the calibrated numbers to adjust the friction force between the liners and the disc when the disc is rotated. The casing is vented at its opposite ends. When the spring is being constrained or the constraint is being released, air flows through the vents and through the space between the successive turns in the spring and past the disc to cool the disc. When the spring constraint is released, the clutch floats relative to the shaft so that the spring returns to its unconstrained relationship without any movement of the shaft or the disc. The dial is also adjustable in position, independently of any dial rotation, after being removed from the casing to adjust the calibration of the friction force between the liner and the disc and is thereafter attached to the casing in this adjusted position. Another looped cable anchors the exercise apparatus against a post before the apparatus is operated.
REFERENCES:
patent: 2740502 (1956-04-01), Butterfield
patent: 4174832 (1979-11-01), Thompson
patent: 5147264 (1992-09-01), Braathen
Smith Fred P.
Smith Fred T.
F. S. New Products Inc.
Reichard Lynne A.
Roston Ellsworth R.
Schwartz Charles H.
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