Stationary exercise apparatus
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United States of America Patent
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Jun 16, 2015
Grant Date -
Sep 12, 2013
app pub date -
Feb 5, 2013
filing date -
Mar 6, 2012
priority date (Note) -
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Abstract
A stationary exercise apparatus includes a frame, a driving wheel assembly, two treading units, and a flywheel assembly. The flywheel assembly has a driven wheel. The driven wheel and the driving wheel assembly are positioned coaxially and pivotally. The treading units are arranged in a four-link manner and can actuate the driving wheel assembly. The driving wheel assembly drives the driven wheel to rotate at an inertial operating speed higher than the rotation speed of the driving wheel assembly. After being actuated, the stationary exercise apparatus operates continuously because of inertial rotation of the driven wheel. During their operation, pedals of the treading units keep lying on the same horizontal plane to thereby enable the user to tread smoothly and lower the prevalence of sports injuries.
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