Expander type exercise device

Details Expander type exercise device Expander type exercise device

2007-03-20

2007-03-20

Crow, Stephen R. (Department: 3764)

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing resilient force resistance

C482S121000, C482S128000

Reexamination Certificate

active

10827880

ABSTRACT:
There is now provided an expander type exercise device for performing physical workout exercise that can be configured in a simple manner to adjust the resiliency of an elastic strand for various physical workout exercises, by varying the length of the elastic strand that is disposed between two handgrips by means of which the elastic strand can be expanded by exerting a force of pull upon the elastic strand.

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patent: 4290600 (1981-09-01), Kolbel
patent: D263328 (1982-03-01), Cooper
patent: 4645204 (1987-02-01), Berger
patent: 4909505 (1990-03-01), Tee
patent: 5295935 (1994-03-01), Wang

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