Apparatus for electrically treating workpieces with electrodes

Claim 1

APPARATUS FOR RELATIVELY MOVING AN ELECTRODE ELEMENT AND A WORKPIECE ELEMENT FOR ELECTRICALLY SHAPING THE LATTER, COMPRISING SEPARATE, APPROXIMATELY COAXIAL HOLDING MEANS FOR EACH OF SAID ELEMENTS, A FIRST ONE OF SAID HOLDING MEANS AND ITS RELATED ONE OF SAID ELEMENTS BEING LINEARLY MOVABLE AXIALLY AND A SECOND ONE OF SAID HOLDING MEANS AND ITS RELATED ONE OF SAID ELEMENTS BEING RESTRAINED AGAINST SUCH LINEAR, AXIAL MOVEMENT, ON OF SAID HOLDING MEANS COMPRISING A FIRST BODY MEMBER RESTRAINED AGAINST MOVEMENT TRANSVERSELY OF THE LINE OF SAID LINEAR MOVEMENT, A SECOND BODY MEMBER COAXIALLY ALIGNED WITH SAID FIRST BODY MEMBER, A CONNECTION BETWEEN SAID BODY MEMBERS RESTRAINING THEM AGAINST RELATIVE MOVETARY MOVEMENT ABOUT SAID LINE AND AGAINST RELATIVE MOVEMENT IN PARALLELISM WITH SAID LINE, AND ACTUATING MEANS FOR SUCCESSIVELY MOVING SAID SECOND BODY MEMBER TRANSLATIONALLY TO ANGULARLY SPACED POINTS IN A PLANE PERPENDICULAR TO SAID LINE WHEREBY TO ENABLE SAID ELECTRODE ELEMENT TO FORM, ON SAID WORKPIECE ELEMENT, A SURFACE SUBSTANTIALLY UNIFORMLY SPACED FROM DIRECTLY OPPOSED SURFACE PORTIONS OF SAID ELECTRODE ELEMENT, SAID ACTUATING MEANS COMPRISING A CIRCULAR SERIES OF RADIALLY DIRECTED MICROMETER SCREWS COACTING BETWEEN COPLANAR PORTIONS OF SAID FIRST AND SECOND BODY MEMBERS.