Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Reexamination Certificate
2005-12-20
2005-12-20
Crow, Stephen R. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
Reexamination Certificate
active
06976939
ABSTRACT:
An exercise device for lower body includes a housing defining two compartments, a tread positioned within each compartment, and compression spring assemblies positioned within each compartment. Each tread is supported by and floats on top of its compression spring assembly.
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Harker Fred R.
Harker Verla D.
Crow Stephen R.
Litman Richard C.
Nguyen Tam
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