INDUSTRIAL ROBOT
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United States of America Patent
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N/A
Issued Date -
Jul 26, 2012
app pub date -
Jan 10, 2012
filing date -
Jan 21, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An industrial robot comprises an arm which includes a proximal portion rotatably supported on a horizontal rotation shaft of a frame in a cantilever state, a cylindrical case portion formed from the proximal portion side to a distal end of the arm to have an opening portion on the proximal portion side, and an arm distal end portion. The industrial robot also comprises a balancer device which includes a rod, and a cylinder 3a in which the rod is reciprocated. An engagement portion at a distal end of the rod, and a rear end of the cylinder are rotatably supported between a pair of first support portions of the frame, and between a pair of second support portions inside the cylindrical case portion, respectively, so that the cylindrical case portion and the balancer device do not interfere with each other in an extent of rotation of the arm.
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