Apparatus for feeding continuous webs

Claim 1

IN AN APPARATUS FOR FEEDING A WEB, THE COMBINATION OF MEANS INCLUDING A MOVABLE MEMBER AND PUSHER FOR CLAMPING THE OPPOSITE SIDES OF THE FLAT DIMENSION OF THE WEB DURING MOVEMENT OF SAID MEMBER IN ONE DIRECTION, FOR ADVANCING THE WEB ONE WAY, AND MEANS INCLUDING ANOTHER MEMBER AND DETENT FOR CLAMPING SAID OPPOSITE SIDES OF THE WEB UPON MOVEMENT OF SAID MEMBER IN THE OPPOSITE DIRECTION, FOR PREVENTING MOVEMENT OF THE WEB THE OPPOSITE WAY, SAID PUSHER AND DETENT BEING FLEXIBLE AND INCLINED GENERALLY SAID ONE WAY TO RESPECTIVELY PERMIT THE PUSHER TO BE MOVED SAID OPPOSITE WAY RELATIVE TO THE WEB AND ALSO PERMIT THE WEB TO BE MOVED SAID ONE WAY RELATIVE TO SAID DETENT, SAID MOVABLE MEMBER AND OTHER MEMBER HAVING PROJECTIONS WHICH ARE MOVED INTO OVERLYING RELATIONSHIP WITH EACH OTHER WHEN SAID MOVABLE MEMBER MOVES IN SAID OPPOSITE DIRECTION, THEREBY TO PREVENT BUCKLING OF THE WEB WHILE IT IS HELD AGAINST MOVEMENT SAID OPPOSITE WAY BY SAID DETENT.