Plating apparatus

Claim 1

IN AN APPARATUS FOR ELECTROPLATING THE CONCAVE SURFACES OF WORKPIECES, THE COMBINATION COMPRISING A TREATING CELL ADAPTED TO BE AT LEAST PARTIALLY IMMERSED IN A TREATING SOLUTION AND A WORK RACK REMOVABLY POSITIONED IN SAID CELL, SAID WORK RACK INCLUDING MEANS THEREON FOR REMOVABLY SUPPORTING A PLURALITY OF WORKPIECES WITH THE CONCAVE SURFACES THEREOF FACING OUTWARDLY OF SAID WORK RACK AND DISPOSED IN SUBSTANTIALLY LONGITUDINAL UPRIGHT THREE-DIMENSIONAL ENCLOSURE STATIONARILY DISPOSED IN A LIQUID TREATING RECEPTACLE, SAID ENCLOSURE HAVING AN OPEN TOP AND INCLUDING A REAR WALL, A PAIR OF SPACED SIDE WALLS, AND A FRONT WALL HAVING AN ELONGATED APERTURE THERETHROUGH; A RACK SUPPORTING MEMBER MOUNTED IN SAID CELL INCLUDING MEANS THEREON FOR RECEIVING AND REMOVABLY MOUNTING SAID WORK RACK, POWER MEANS CONNECTED TO SAID RACK SUPPORTING MEMBER FOR MOVING SAID MEMBER AND SAID RACK THEREON TO SAND FROM A TREATING POSITION WHEREIN THE WORKPIECES THEREON ABUT THE REAR SURFACE OF SAID FRONT WALL AND THE CONCAVE SURFACES THEREOF ARE DISPOSED IN COMMUNICATING RELATIONSHIP WITH SAID ELONGATED APERTURE AND A LOAD-UNLOAD POSITION WHEREIN THE WORKPIECES ARE SPACED FROM SAID REAR SURFACE OF SAID FRONT WALLS, AND MEANS FOR LOWERING AND RAISING SAID WORK RACK INTO SAND OUT OF MOUNTED RELATIONSHIP WITH SAID RACK SUPPORTING MEMBER WHEN IN SAID LOAD-UNLOAD POSITION.