Elevating apparatus of treadmill
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 20, 2007
Grant Date -
Jun 29, 2006
app pub date -
Apr 7, 2005
filing date -
Dec 23, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A treadmill has a frame, a table assembly and an elevating apparatus to elevate the table assembly. The treadmill has a driving device provided at a bottom side of the table assembly. A transverse shaft is connected to the driving device. Two first linkages each has three pivot portions, wherein two of the pivot portions at ends thereof are pivoted on the table assembly and ends of the transverse shaft respectively. Two second linkages have opposite ends pivoted on the frame and the table assembly respectively, each of which has a pivot portion between the ends thereof to be pivoted on the first linkages at the third pivot portions respectively.
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