Automatic wrapper feeder

Claim 1

AN APPARATUS FOR FEEDING IN SUCCESSION INDIVIDUAL SHEETS FROM A STACK OF SHEETS HAVING THEIR LEADING EDGE IMBRICATED WITH RESPECT TO EACH OTHER, SAID SHEETS HAVING A DIMENSION D FROM THEIR LEADING EDGE TO THEIR TRAILING EDGE COMPRISING IN COMBINATION; FIRST MEANS FOR GRASPING SAID SHEETS AT A FIRST POSITION AND CONVEYING SAID SHEETS AWAY FROM SAID FIRST POSITION IN A FORWARD DIRECTION NORMAL TO SAID LEADING EDGE OF SAID SHEETS TO A SECOND POSITION; SECOND MEANS FOR GRASPING SAID SHEETS AT SAID SECOND POSITION AND FOR CONVEYING SAID SHEETS AWAY FROM SAID SECOND POSITION IN SAID FORWARD DIRECTION TO A THIRD POSITION FORWARD OF SAID SECOND POSITION AND FOR FEEDING SAID SHEETS TO A FOURTH POSITION FORWARD OF SAID THIRD POSITION; SAID FIRST AND SECOND POSITIONS BEING SEPARATED BY A DIMENISON D''; SAID STACK OF IMBRICATED SHEETS BEING POSITIONED BETWEEN SAID FIRST AND SECOND GRASPING MEANS; SAID FIRST POSITION BEING SEPARATED BY A DIMENSION D" FROM SAID THIRD POSITION; SAID DIMENSION D" BEING GREATER THAN SAID DIMENSION D, AND SAID DIMENSION D BEING GREATER THAN SAID DIMENSION D''; FIRST SENSING MEANS POSITIONED IN THE PATH OF SAID SHEETS AT SAID THIRD POSITION FOR SENSING THE PRESENCE OF SAID SHEETS AT SAID THIRD POSITION; SAID FIRST TO SENSING SAID SHEETS IN SAID THIRD POSITION; RESPONSIVE TO SENSING SAID SHEETS IN SAID THIRD POSITION; DRIVE MEANS OPERATIVELY CONNECTED TO SAID FIRST AND SAID SECOND CONVEYING MEANS AND RESPONSIVE TO SAID FIRST SENSING MEANS; SAID DRIVE MEANS OPERATING AT A FIRST SPEED FOR DRIVING SAID FIRST AND SECOND CONVEYING MEANS FOR CONVEYING SAID SHEETS FROM SAID FIRST POSITION TO SAID THIRD POSITION RESPONSIVE TO SAID FIRST SENSING MEANS BEING IN AN UNACTUATED CONDITION AND AT SECOND FASTER SPEED FOR CONVEYING SAID SHEETS FORWARD OF SAID THIRD POSITION TO A FOURTH POSITION.

Claim 2

AN APPARATUS FOR FEEDING IN SUCCESSION INDIVIDUAL SHEETS FROM A STACK OF SHEETS HAVING THEIR LEADING EDGE IMBRICATED WITH RESPECT TO EACH OTHER, SAID SHEETS HAVING A DIMENSION D FROM THEIR LEADING EDGE TO THEIR TRAILING EDGE COMPRISING IN COMBINATION; FIRST MEANS FOR GRASPING SAID SHEETS AT A FIRST POSITION AND CONVEYING SAID SHEETS AWAY FROM SAID FIRST POSITION IN A FORWARD DIRECTION NORMAL TO SAID LEADING EDGE OF SAID SHEETS TO A SECOND POSITION; SECOND MEANS FOR GRASPING SAID SHEETS AT SAID SECOND POSITION AND FOR CONVEYING SAID SHEETS AWAY FROM SAID SECOND POSITION IN SAID FORWARD DIRECTION TO A THIRD POSITION FORWARD OF SAID SECOND POSITION AND FOR FEEDING SAID SHEETS TO A FOURTH POSITION FORWARD OF SAID THIRD POSITION; SAID FIRST AND SECOND POSITIONS BEING SEPARATED BY A DIMENISON D''; SAID STACK OF IMBRICATED SHEETS BEING POSITIONED BETWEEN SAID FIRST AND SECOND GRASPING MEANS; SAID FIRST POSITION BEING SEPARATED BY A DIMENSION D" FROM SAID THIRD POSITION; SAID DIMENSION D" BEING GREATER THAN SAID DIMENSION D, AND SAID DIMENSION D BEING GREATER THAN SAID DIMENSION D''; FIRST SENSING MEANS POSITIONED IN THE PATH OF SAID SHEETS AT SAID THIRD POSITION FOR SENSING THE PRESENCE OF SAID SHEETS AT SAID THIRD POSITION; SAID FIRST TO SENSING SAID SHEETS IN SAID THIRD POSITION; RESPONSIVE TO SENSING SAID SHEETS IN SAID THIRD POSITION; DRIVE MEANS OPERATIVELY CONNECTED TO SAID FIRST AND SAID SECOND CONVEYING MEANS AND RESPONSIVE TO SAID FIRST SENSING MEANS; SAID DRIVE MEANS OPERATING AT A FIRST SPEED FOR DRIVING SAID FIRST AND SECOND CONVEYING MEANS FOR CONVEYING SAID SHEETS FROM SAID FIRST POSITION TO SAID THIRD POSITION RESPONSIVE TO SAID FIRST SENSING MEANS BEING IN AN UNACTUATED CONDITION AND AT SECOND FASTER SPEED FOR CONVEYING SAID SHEETS FORWARD OF SAID THIRD POSITION TO A FOURTH POSITION.