Elliptical exercise machine with adjustable exercising orbit

Details Elliptical exercise machine with adjustable exercising orbit Elliptical exercise machine with adjustable exercising orbit

2006-05-16

2008-10-14

Crow, Steve R (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Stair climbing

C482S051000, C482S057000

Reexamination Certificate

active

07435204

ABSTRACT:
An elliptical exercise machine with an adjustable exercising track comprises a framework, having a flywheel, a crank settled on the flywheel, and at least two parallel rails; a wheel assembly, comprising two wheel-shafts arranged at two sides of the crank and two wheels slidably coupled to the rails; a handle-shaft assembly, comprising a pair of handle-shafts disposed at two sides of the framework for being gripped by a user; a stepping-pedal assembly, comprising two pedals coupled to two pedal-shafts which are linked to the handle-shafts; and a pair of adjusting assemblies for shifting positions of joints of the pedal-shafts and the wheel-shafts along the wheel-shafts. By shifting the positions of joints of the pedal-shafts and the wheel-shafts, a minor axis of the elliptical exercising track can be lengthened or shortened and consequently the elliptical exercising track can be non-proportionally scaled.

REFERENCES:
patent: 5595553 (1997-01-01), Rodgers, Jr.
patent: 5637058 (1997-06-01), Rodgers, Jr.
patent: 5766113 (1998-06-01), Rodgers, Jr.
patent: 6746377 (2004-06-01), Johnston

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