Electrotreating apparatus and process

Claim 1

IN APPARATUS FOR ELECTRICALLY TREATING AND ADVANCING WORK ARTICLES IN SERIES PROGRESSION LONGITUDINALLY ALONG AND WITHIN A TREATING SOLUTION OF A TREATINGTNK BETWEEN UPPER AND LOWER ELECTRODES, A LONGITUDINALLY-EXTENDING CONTACT AND SUPPORT ASSEMBLY FOR THE WORK ARTICLES OPERATIVELY POSITIONED BETWEEN THE UPPER AND LOWER ELECTRODES LONGITUDINALLY ALONG THE TANK TO DEFINE AN ARTICLE TREATING LEVEL WITHIN THE TREATING SOLUTION OF THE TANK AND RECEIVE AND GUIDE WORK ARTICLES THEREALONG, CONVEYING MEANS ALONG THE TANK OPERATIVELY POSITIONED THEREABOVE, SWING SUPPORT MEANS ALONG SAID CONVEYING MEANS, WORK SUPPORTING HANGERS VERTICALLY-PIVOTALLY SUSPENDED BY SAID SWING SUPPORT MEANS, SAID CONVEYOR MEANS BEING OPERATIVELY CONNECTED TO SAID HANGERS TO MOVE THEM IN A SUSPENDED RELATION INTO AND ALONG THE TANK, SAID SWING SUPPORT MEANS HAVING PORTIONS GUIDING SAID HANGERS IN A LONGITUDINALLY-SWINGABLE RELATIONSHIP OF THE TANK INTO THE TANK AND INTO AN ARTICLE-REEASING POSITION WITH RESPECT TO SAID CONTACT AND SUPPORT ASSEMBLY TO POSITION THE WORK ARTICLES THEREON AT AN ENTRY END PORTION OF THE TANK, GUIDE MEANS ALONG THE TANK COOPERATING WITH SAID SWINGABLE SUPPORT MEANS AND OPERATIVELY ASSOCIATED WITH SAID HANGERS DURING THEIR MOVEMENT ALONG SAID CONTACT AND SUPPORT ASSEMBLY TO POSITIVELY RESTRAIN THEM FROM SWINGING LONGITUDINALLY OF THE TANK AND POSITIVELY PUSH THE WORK ARTICLES ALONG SAID CONTACT AND SUPPORT ASSEMBLY WHEN SAID HANGERS ARE MOVED BY SAID CONVEYOR MEANS LONGITUDINALLY ALONG THE TANK; SAID GUIDE MEANS COMPRISING, A FLANGED GUIDE MEMBER POSITIONED LONGITUDINALLY ALONG AND ABOVE THE TANK, AND A PAIR OF LATERALLY-OPPOSED GUIDE ROLLERS CARRIED BY SAID HANGERS AND OPERATIVELY ENGAGING BETWEEN FLANGES OF SAID GUIDE MEMBER.