Passive device for exercising legs of a user thereof

Details Passive device for exercising legs of a user thereof Passive device for exercising legs of a user thereof

2002-03-25

2003-12-16

Crow, Stephen R. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Stair climbing

C482S057000, C601S036000

Reexamination Certificate

active

06663539

ABSTRACT:

RELATED U.S. APPLICATIONS
Not applicable.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not applicable.
REFERENCE TO MICROFICHE APPENDIX
Not applicable.
FIELD OF THE INVENTION
The present invention relates generally to an exercise device, and more particularly to a leg-exercising device.
BACKGROUND OF THE INVENTION
Conventional leg-exercising devices are generally cumbersome and are not adapted to serve as an adjunct to the physical therapy for rehabilitating a person's legs under treatment.
BRIEF SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a leg-exercising device which is compact and suitable for use in a limited floor space.
It is another objective of the present invention to provide a leg-exercising device which is adapted to rehabilitate a person's legs under treatment.
In keeping with the principle of the present invention, the foregoing objectives of the present invention are attained by a passive exercise device comprising a base on which two support frames, a motor, a transmission unit, and two driving units are mounted. Two footrests are driven by the two driving units to move up and down along the support frames, so as to bring about a training effect on a person's legs resting on the footrests. The person does not exert a force to activate or operate the exercise device.


REFERENCES:
patent: 1909002 (1933-05-01), Oehlberg
patent: 4798379 (1989-01-01), Jenkins
patent: 4842268 (1989-06-01), Jenkins
patent: 4852269 (1989-08-01), Glorioso
patent: 5044627 (1991-09-01), Huang
patent: 5199932 (1993-04-01), Liao

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