Squaring equipment for folded box blanks

Claim 1

EQUIPMENT FOR SQUARING THE PANELS OF A FOLDED BOX BLANK COMPRISING A CONVEYOR BELT HAVING A HORIZONTAL RUN TO CARRY SUCH BOX BLANK WITH THE GAP BETWEEN THE FOLDED TOP FLAPS THEREOF EXTENDING LONGITUDINALLY OF THE CONVEYOR BELT, MEANS TO ADVANCE SAID CONVEYOR BELT, AN ALIGNMENT MEMBER IN THE PATH OF MOVEMENT OF SUCH BOX BLANK CARRIED IN THE PATH OF MOVEMENT OF SUCH BOX BLANK ING EDGES OF THE BOX PLANK IS ADAPTED TO ABUT WITH THE GAP BETWEEN SUCH FOLDED TOP PANELS EXTENDING AT RIGHT ANGLES TO SAID ALIGNMENT MEMBER, TO RESTRAIN MOVEMENT OF SUCH BOX BLANK, MEANS MOUNTING SAID ALIGNMENT MEMBER FOR MOVEMENT THEREOF OUT OF THE PATH OF SAID BOX BLANK TO RELEASE THE LATTER AFTER THE PANELS THEREOF HAVE BEEN SQUARED, A PUSHER MEMBER MOVABLE AGAINST THE TRAILING EDGE OF SUCH BOX BLANK AT IT IS ADVANCED BY SAID CONVEYOR BELT TO FORCE THE LEADING EDGE THEREOF AGAINST THE ALIGNMENT MEMBER THEREBY SQUARING THE PANELS OF SUCH BOX BLANK, SAID ALIGNMENT MEMBER COMPRISING AN ELONGATED STRIP EXTENDING TRANSVERSELY WITH RESPECT TEO SAID CONVEYOR BELT, A ROLLER ASSOCIATED WITH SAID STRIP, A SHAFT EXTENDING TRANSVERSELY WITH RESPECT TO SAID CONVEYOR BELT AND IDLY MOUNTING SAID (FIRST) ROLLER, SAID ELONGATED STRIP EXTENDING PARALLEL TO SAID (FIRST) ROLLER AND HAVING ITS ENDS SECURED TO SAID SHAFT, A LEVER SECURED TO SAID SHAFT TO ROTATE THE LATTER, MEANS TO ACTUATE SAID LEVER TO EFFECT MOVEMENT OF SAID STRIP OUT OF THE PATH OF MOVEMENT OF SAID BOX BLANK, AND SECOND ROLLER NORMALLY SPACED FROM SAID FIRST ROLLER AND MOVABLE TOWARD THE LATTER TO CLAMP THE BOX BLANK THEREBETWEEN AFTER THE LATTER HAS BEEN SQUARED TO RETAIN THE BOX BLANK IN SUCH SQUARED CONDITION.