Rotating shaft and industrial robot employing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 13, 2015
Grant Date -
Apr 10, 2014
app pub date -
Oct 1, 2013
filing date -
Oct 4, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotating shaft has: a first shaft member that includes a rail member and a first connecting portion which is disposed at the rail member; and a second shaft member that includes a slider which is movably installed to the rail member, a tubular unit which is secured to the slider, and a second connecting portion which is disposed at the tubular unit. The slider includes a plurality of roller type rolling elements. The plurality of roller type rolling elements includes: first roller type rolling elements which roll along a rolling path and when torque in a first direction is inputted, transfer running torque between the slider and the rail member; and second roller type rolling elements which roll along a rolling path and when torque in a second direction, which is opposite of the first direction, is inputted, transfer running torque between the slider and the rail member.
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