Apparatus for sealing and exhausting

Claim 1

IN APPARATUS FOR SEALING AND EXHAUSTING HOLLOW ARTICLES, EACH ARTICLE COMPRISING AN ENVELOPE HAVING AN OUTWARDLY EXTENDING EXHAUST TUBULATION AND AN ENVELOPE CLOSURE HEADER, THE COMBINATION OF MEANS FOR FUSING THE ENVELOPE OF AN ARTICLE TO BE PROCESSED TO ITS CLOSURE HEADER, MEANS INCLUDING AN EXHAUST HEAD FOR EXHAUSTING SAID ARTICLE, MEANS FOR DISPOSING SAID ARTICLE INTO VERTICAL REGISTRY WITH SAID EXHAUST HEAD, AND MEANS ACTING IN COOPERATION WITH SAID DISPOSING MEANS FOR TRANSFERRING SAID ARTICLE TO SAID EXHAUST HEAD, SAID TRANSFERRING MEANS COMPRISING MEANS FOR MOVING SAID ARTICLE DIRECTLY UPWARDLY FOR INSERTION INTO SAID EXHAUST HEAD, DRIVE MEANS FOR ACTUATING SAID TRANSLATING MEANS, A PLURALITY OF LINKAGES FOR COUPLING SAID DRIVE MEANS TO SAID TRANSLATING MEANS, ONE OF SAID LINKAGES BEING COUPLED TO ANOTHER OF SAID LINKAGES THROUGH SPRING TAKE-UP MEANS WHEREBY ONLY A PREDETERMINED PORTION OF THE MOTION TRANSMITTED FROM SAID DRIVE MEANS THROUGH SAID ONE LINKAGE IS CONVEYED TO SAID OTHER LINKAGE, AND AND ADJUSTABLE STOP MEANS FOR CONTROLLING SAID PORTION OF SAID MOTION CONVEYED.