摘要 |
<p>Electroplating installation workpiece support comprises a frame mobile on rails above the treatment tanks, two pairs of endless chains (I) mounted coaxially on wheels, the (I) of a pair being mounted face-to-face and connected by a bar (II) through which workpiece holders (III) are charged, (I) are driven so that (II) rise and descend in synhronism, and each (II) has at least one (III) hook and the spacing between (II) is variable.</p> |