Envelope attaching machine

Claim 1

A MACHINE FOR FORMING A COMBINED WEB AND ENVELOPE PRODUCT COMPRISING, A MAGAZINE FOR RECEIVING A STACK OF ENVELOPES OF THE TYPE HAVING SEPARABLE END TABS, FEEDING MEANS FOR REMOVING THE ENVELOPES INDIVUDALLY AND SEQUENTIALLY FROM THE BOTTOM THE MAGAZINE AND ADVANCING THEM IN A LINEAR PATH OF MOVEMENT WITH THE ENVELOPES DISPOSED TRANSVERSELY OF THE PATH OF MOVEMENT AND THE END TABS EXTENDING OUTWARDLY FROM OPPOSITE SIDES, CONVEYOR MEANS FOR ADVANCING THE ENVELOPES IN SUCCESSION ALONG A PATH EXTENDING FROM THE FEEDING MEANS, SAID CONVEYOR MEANS INCLUDING A PAIR OF ENDLESS CHAINS MOUNTED IN PARALLE RELATIOSHIP HAVING SPACED PROJECTION PIVOTALLY MOUNTED ON THE CHAINS AND INCLUDING MEANS RESILIENTLY BIASING THE PROJECTIONS TO UPRIGHT POSITIONS, SAID PROJECTIONS ENGAGEABLE WITH THE TRAILING EDGES OF THE ENVELOPES IN SUCCESSION, POSITIONING MEANS ON OPPOSITE SIDES OF THE CONVEYOR MEANS ENGAGEABLE WITH THE END TABS OF THE ENVELOPES WHILE THEY ARE BEING ADVANCED, MEANS FOR SUPPORTING THE ENVELOPES INTERMEDCIATE THE END TABS THEREOF, MEANS FOR APPLYING ADHESIVE TO THE UNDERSIDE OF THE EXTENDING SEPARABLE END TABS, AND MESNS FOR FEEDING A WEB OF PAPER INTO CONTACT WITH THE SUCCESSION OF ENVELOPES AND ADHERING THE WEB TO THE END TABS THEREOF.