Collecting and stacking bin

Claim 1

IN A COLLECTING BIN FOR MATERIAL SUCH AS CARDS, PAPER, FORMS AND THE LIKE: (A) A CONTAINER HAVING AN OPENING AT THE TOP, (B) A FIRST CONVEYOR AT THE FRONT TOP PORTION OF SAID CONTAINER ON TO WHICH SUCH MATERIAL IS PLACED, (C) A CURVED GUIDE PLATE EXTENDING OVER THE REAR END OF SAID FIRST CONVEYOR AND EXTENDING DOWN INTO SAID CONTAINER FOR DIRECTING EACH ITEM FROM SAID FIRST CONVEYOR INTO SAID CONTAINER, (D) A SECOND CONVEYOR IN SAID CONTAINER ON TO WHICH THE MATERIAL IS DIRECTED EDGEWISE BY SAID GUIDE PLATE, (E) AN UPSTANDING, SLIGHTLY INCLINED BACK-UP PLATE IN SAID CONTAINER AND ATTACHED TO SAID SECOND CONVEYOR FOR MOVEMENT THEREWITH, SAID BACK-UP PLATE SUPPORTING THE MATERIAL IN A SUBSTANTIALLY HORIZONTAL STACK. (F) MEANS OPERATIVELY INTERCONNECTING THE SAID FIRST AND SECOND CONVEYORS SO AS TO MOVE THE SECOND CONVEYOR AND ATTACHED BACK-UP PLATE A PREDETERMINED DISTANCE IN RESPONSE TO A PREDETERMINED MOVEMENT OF SEPARATELY INTO SAID CONTAINER AND ON TO SAID SECOND CONVEYOR, (G) MEANS DIRECTING AN AIR JET CONTINUOUSLY AGAINST EACH SUCCESSIVE ITEM TO HOLD THE MATERIAL CONTINUOUSLY AGAINST THE BACK-UP PLATE IN SUBSTANTIALLY HORIZONTALLY STACKED RELATIONSHIP, THE DISTANCE BETWEEN EACH NEW ITEM AT THE END OF THE STACK AS IT ENTERS THE CONTAINER AND THE MEANS FOR DIRECTING THE AIR JET REMAINS SUBSTANTIALLY CONSTANT, AND (H) A CRANK OPERATIVELY CONNECTED TO SAID SECOND CONVEYOR FOR SELECTIVELY RETURNING THE BACK-UP PLATE TO ITS INITIAL POSITION AT THE FRONT END OF SAID SECOND CONVEYOR AFTER THE BACK-UP PLATE HAS BEEN MOVED REARWARDLY AND ITS ASSOCIATED HORIZONTAL STACK OF MATERIAL HAS BEEN REMOVED.