Automatic feed apparatus for booksewing machine

Claim 1

AN APPARATUS FOR FEEDING SIGNATURES INTO A BOOK SEWING MACHINE AND FOR UNLOADING SEWN BOOKS THEREFROM, COMPRISING (A) A FRAME ADAPTED TO BE CONNECTED TO SAID SEWING MACHINE, (B) A CONVEYER MOUNTED ON SAID FRAME FOR HOLDING SIGNATURES PLACED THEREON, (C) A SIGNATURE SHELF MOUNTED BELOW SAID CONVEYOR AND ADAPTED TO RECEIVE INDIVIDUAL SIGNATURES DELIVERED BY SAID CONVEYOR, (D) A RETRACTABLE STOP MOUNTED AT THE OUTER END OF SAID SIGNATURE SHELF, (E) A PUSHER MOVABLY MOUNTED TO SAID SIGNATURE SHELF AND ADAPTED TO ADVANCE SIGNATURES INDIVIDUALLY INTO SAID SEWING MACHINE, (F) A MOVABLE BOOKSHELF ADAPTED TO ACCUMULATE SIGNATURES EACH NEW SIGNATURE AND TO RISE AGAIN INTO A CLAMPING POSITION, (H) SAID BOOKSHELF BEING ADAPTED TO LOWER ITSELF TO RECEIVE EACH NEW SIGNATURE AND TO RISE AGAIN INTO A CLAMPING POSITION, (H) BOOK AND SIGNATURE CENTERING MEANS INCLUDING GUIDE ARMS ADAPTED TO MOVE UP AND DOWN THE SAID BOOKSHELF, (I) A HINGED BOOK TABLE SPACED BELOW SAID BOOKSHELF AND ADAPTED NORMALLY TO MOVE UP AND DOWN THEREWITH, (J) ONE PORTION OF SAID BOOKSHELF HAVING A SHARP INNER EDGE BEING ADAPTED TO SWING OUT AND AWAY FROM SAID SEWING MACHINE TO PERMIT A FULLY SEWN BOOK TO DROP ONTO SAID TABLE, TO THEN RISE AND SWING BACK TO A CLOSED POSITION TO CUT THE BOOK THREADS, (K) A FINGER MOUNTED ON SAID SIGNATURE SHELF ADAPTED TO EXTEND DOWN AGAINST SAID BOOK AND TO PULL SAID BOOK FROM THE OTHER PORTION OF SAID BOOKSHELF, AND (I) MEANS FOR FIRST LIFTING SAID TABLE WHEN SAID BOOKSHELF CLOSES, THEN SWINGING SAID TABLE DOWN TO UNLOAD SAID BOOK AND THEN RETURN SAID TABLE TO A STARTING POSITION.

Claim 2

AN APPARATUS FOR FEEDING SIGNATURES INTO A BOOK SEWING MACHINE AND FOR UNLOADING SEWN BOOKS THEREFROM, COMPRISING (A) A FRAME ADAPTED TO BE CONNECTED TO SAID SEWING MACHINE, (B) A CONVEYER MOUNTED ON SAID FRAME FOR HOLDING SIGNATURES PLACED THEREON, (C) A SIGNATURE SHELF MOUNTED BELOW SAID CONVEYOR AND ADAPTED TO RECEIVE INDIVIDUAL SIGNATURES DELIVERED BY SAID CONVEYOR, (D) A RETRACTABLE STOP MOUNTED AT THE OUTER END OF SAID SIGNATURE SHELF, (E) A PUSHER MOVABLY MOUNTED TO SAID SIGNATURE SHELF AND ADAPTED TO ADVANCE SIGNATURES INDIVIDUALLY INTO SAID SEWING MACHINE, (F) A MOVABLE BOOKSHELF ADAPTED TO ACCUMULATE SIGNATURES EACH NEW SIGNATURE AND TO RISE AGAIN INTO A CLAMPING POSITION, (H) SAID BOOKSHELF BEING ADAPTED TO LOWER ITSELF TO RECEIVE EACH NEW SIGNATURE AND TO RISE AGAIN INTO A CLAMPING POSITION, (H) BOOK AND SIGNATURE CENTERING MEANS INCLUDING GUIDE ARMS ADAPTED TO MOVE UP AND DOWN THE SAID BOOKSHELF, (I) A HINGED BOOK TABLE SPACED BELOW SAID BOOKSHELF AND ADAPTED NORMALLY TO MOVE UP AND DOWN THEREWITH, (J) ONE PORTION OF SAID BOOKSHELF HAVING A SHARP INNER EDGE BEING ADAPTED TO SWING OUT AND AWAY FROM SAID SEWING MACHINE TO PERMIT A FULLY SEWN BOOK TO DROP ONTO SAID TABLE, TO THEN RISE AND SWING BACK TO A CLOSED POSITION TO CUT THE BOOK THREADS, (K) A FINGER MOUNTED ON SAID SIGNATURE SHELF ADAPTED TO EXTEND DOWN AGAINST SAID BOOK AND TO PULL SAID BOOK FROM THE OTHER PORTION OF SAID BOOKSHELF, AND (I) MEANS FOR FIRST LIFTING SAID TABLE WHEN SAID BOOKSHELF CLOSES, THEN SWINGING SAID TABLE DOWN TO UNLOAD SAID BOOK AND THEN RETURN SAID TABLE TO A STARTING POSITION.