Incline resistance weight unit for exercise machine

Details Incline resistance weight unit for exercise machine Incline resistance weight unit for exercise machine

1996-04-18

1997-09-23

Apley, Richard J.

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing weight resistance

482 99, 482101, 482133, A63B 2100

Patent

active

056698615

ABSTRACT:
The invention is to a weight device that creates a controlled and infinitely variable transpositional force greater than the weight being lifted. A vertical shaft has a pair of grooves which spiral about the shaft, increasing the slope from the bottom to the top of the shaft. A pair of rollers in the grooves have shafts that extend through and support a sleeve that is placed over the vertical shaft. The roller shafts are mounted in a pair of mounts that are on each side of the vertical shaft. A sprocket pulley is mounted on an end of the vertical shaft. As the sprocket is turned, the rollers are moved up the grooves, moving the sleeve upward against an increasing resistance to upward movement. A stack of weights surrounds the sleeve for movement therewith.

REFERENCES:
patent: 367340 (1887-07-01), Fleak
patent: 813015 (1906-02-01), Munson
patent: 4052906 (1977-10-01), Genini
patent: 4863161 (1989-09-01), Telle
patent: 5320143 (1994-06-01), Hwang et al.

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