Cam controlled folding means for papermaking machine
First Claim
1. IN A ROTARY FOLDING MACHINE, THE COMBINATION OF A PAIR OF FOLDING ROLLS MOUNTED FOR ROTATION IN OPPOSITE DIRECTIONS, MEANS FOR FEEDING A WEB TO BE FOLDED TO SAID FOLDING ROLLS, A PAIR OF JAWS AND A TUCKER CARRIED BY EACH OF SAID ROLLS, MEANS FOR DRIVING SAID ROLLS IN SUCH TIMED ROTATION THAT THE TUCKER OF EACH ROLL ENTERS BETWEEN THE JAWS OF THE OTHER ROLL AND IS WITHDRAWN THEREFROM AS AN INCIDENT TO THE ROTATION OF THE ROLLS, CAM MECHANISM OPERATIVE AS AN INCIDENT TO THE ROTATION OF THE ROLLS FOR CAUSING THE CLOSING OF THE JAWS OF EACH OF SAID ROLLS AS THE TUCKER OF THE OTHER ROLL IS WITHDRAWN FROM BETWEEN THE JAWS SO THAT THE JAWS GRIP THE WEB BETWEEN THEM TO FORM A WEB FOLD AND FOR CAUSING THE OPENING OF THE JAWS ON A PREDETERMINED FURTHER ROTATION THROUGH A CERTAIN ANGLE OF THE ROLL SO AS TO RELEASE THE WEB FOLD, POWER OPERABLE MEANS EFFECTIVE TO MOVE SAID CAM MECHANISM FOR ONE OF SAID ROLLS SO THAT SAID ANGLE FOR THE ROLL MAY BE CHANGED WHILE THE MACHINE IS IN OPERATION, AND MEANS
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Citations
1 Claim
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1. IN A ROTARY FOLDING MACHINE, THE COMBINATION OF A PAIR OF FOLDING ROLLS MOUNTED FOR ROTATION IN OPPOSITE DIRECTIONS, MEANS FOR FEEDING A WEB TO BE FOLDED TO SAID FOLDING ROLLS, A PAIR OF JAWS AND A TUCKER CARRIED BY EACH OF SAID ROLLS, MEANS FOR DRIVING SAID ROLLS IN SUCH TIMED ROTATION THAT THE TUCKER OF EACH ROLL ENTERS BETWEEN THE JAWS OF THE OTHER ROLL AND IS WITHDRAWN THEREFROM AS AN INCIDENT TO THE ROTATION OF THE ROLLS, CAM MECHANISM OPERATIVE AS AN INCIDENT TO THE ROTATION OF THE ROLLS FOR CAUSING THE CLOSING OF THE JAWS OF EACH OF SAID ROLLS AS THE TUCKER OF THE OTHER ROLL IS WITHDRAWN FROM BETWEEN THE JAWS SO THAT THE JAWS GRIP THE WEB BETWEEN THEM TO FORM A WEB FOLD AND FOR CAUSING THE OPENING OF THE JAWS ON A PREDETERMINED FURTHER ROTATION THROUGH A CERTAIN ANGLE OF THE ROLL SO AS TO RELEASE THE WEB FOLD, POWER OPERABLE MEANS EFFECTIVE TO MOVE SAID CAM MECHANISM FOR ONE OF SAID ROLLS SO THAT SAID ANGLE FOR THE ROLL MAY BE CHANGED WHILE THE MACHINE IS IN OPERATION, AND MEANS
Specification
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Current AssigneeHarold B. Pollard, Harold V. Rutkus, Paul G. Franke
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Original AssigneeHarold B. Pollard, Harold V. Rutkus, Paul G. Franke
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InventorsFranke, Paul G., Pollard, Harold B., Rutkus, Harold V.
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Application NumberUS04/183,124Time in Patent Office1,007 DaysField of SearchUS Class Current493/35CPC Class CodesB65H 45/162 with folding jaw cylindersB65H 45/20 Zig-zag folders B65H45/228 ...B65H 45/24 Interfolding sheets, e.g. c...
