Electroplating apparatus having hydraulic heavy roll supporting rack

Claim 1

AN ELECTROPLATING APPARATUS COMPRISING A TANK AND HOIST MEANS FOR RAISING AND LOWERING ROLLS TO BE PLATED FROM AND TO SAID TANK, SAID HOIST MEANS BEING MOUNTED ON A SUPPORT DISPOSED ADJACENT SAID TNAK AND COMPRISING A PAIR OF HORIZONTALLY EXTENDING RACKS EACH COMPRISING FIRST AND SECOND SIMILAR HORIZONTAL MEMBERS SPACED AT THEIR INNER END PORTIONS TO PROVIDE A CENTRAL OPENING IN SAID RACK, HORIZONTALLY SPACED MEMBERS SECURED TO SAID HORIZONTAL MEMBERS AND DEPENDING VERTICALLY DOWNWARDLY RESPECTIVELY FROM SAID INNER END PORTIONS THEREOF, MEANS CONNECTING SAID VERTICAL MEMBERS AT THE LOWER ENDS THEREOF, SAID CONNECTING MEANS PROVIDING BEARING SURFACES FOR ROTATIVELY SUPPORTING SAID ROLLS TO BE LATED, SAID CONNECTING MEANS INCLUDING CONDUCTORS FOR INTRODUCING ELECTRICAL CURRENT TO SAID ROLLS, MEANS FOR ROTATING SAID ROLLS TO BE PLATED, AND FOUR SIIMILAR VERTICAL HYDRAULIC CYLINDERS, EACH CYLINDER BEING SECURED TO AN OUTER END PORTION OF A HORIZONTAL MEMBER SO AS TO PROVIDE FOR RAISING AND LOWERING SAID RACKS, SAID CENTRAL OPENINGS PERMITTING POSITIONING OF SAID ROLL ONTO SAID BEARING SURFACES.