| 摘要 |
<p>PURPOSE: A product positioning device is provided to form the precision of returning to the center within±0.5mm by comprising a slanted part combined with ball transfer. CONSTITUTION: A lock cylinder(25) is fixed on the floor side. A screw hole is formed on the top of a bottom lock flange(45). A piston stopper(50) is inserted into a piston stopper insertion hole. A lock piston(30) forms a locking groove and a recess. A conical spring(60) is inserted into the locking groove.</p> |
