Exercise devices – Involving user translation or physical simulation thereof – Treadmill for foot travel
Reexamination Certificate
2009-05-11
2009-11-17
Thanh, Loan H (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Treadmill for foot travel
C198S788000
Reexamination Certificate
active
07618352
ABSTRACT:
A driving mechanism used in a treadmill and concealed inside a tubular driving roller for rotating the tubular driving roller in moving an endless running belt through a driving gear of a transmission shaft, a reduction gear, a driven gear of a driven shaft and an internal gear.
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patent: 6764430 (2004-07-01), Fencel
patent: 7299915 (2007-11-01), El-Ibiary
Nguyen Tam
Rosenberg , Klein & Lee
Thanh Loan H
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