Booklet feeding means

Claim 1

MEANS FOR FEEDING BOOKLETS FROM A STACK COMPRISING: A RACK FOR HOLDING A STACK OF BOOKLETS, MEANS TO SEPARATE THE LEADING EDGE OF THE CLOSEST BOOKLET FROM SAID STACK, COMPRISING A PIVOTALLY MOUNTED CURVED CONTINUOUS VACUUM SUCKER ADAPTED TO GRIP SAID BOOKLET CLOSE TO ITS LEADING EDGE, A PAIR OF CONTINUOUSLY DRIVEN LOWER FEED ROLLERS MOUNTED ON EITHER SIDE OF SAID SUCKER, THE SURFACE OF SAID CURVED VACUUM SUCKER LYING IN THE SURFACE PLANE OF SAID LOWER ROLLERS IN ITS RETRACTED POSITION, MEANS TO OSCILLATE SAID SUCKER TO GRIP SAID LEADING EDGE AND BRING SAID LEADING EDGE INTO CONTACT WITH SAID LOWER ROLLERS, AND UPPER ROLLER MEANS ADAPTED TO RECIPROCATE INTO A POSITION ABOVE SAID LOWER ROLLERS TO GRIP SAID LEADING EDGE BETWEEN SAID UPPER AND LOWER ROLLERS, SAID SUCKER HAVING CONTINUOUS PROGRESSIVE SUCKING ACTION ON SUCCESSIVE BOOKLETS, INCLUDINGMEANS TO SYNCHRONIZE THE OSCILLATION OF SAID SUCKER AND SAID UPPER ROLLERS SO THAT SAID SUCKER RISES UNDER THE TRAILING EDGE OF A BOOKLET BEING REMOVED BY SAID UPPER AND LOWER ROLLERS TO APPLY AN UNBROKEN CONTINUOUS VACUUM TO THE LEADING EDGE OF THE NEXT SUCCEEDING BOOKLET.