Intermittent book feed mechanism

Claim 1

IN A DEVICE ADAPTED TO RECEIVE BOOKS IN SUCCESSION FROM A CONTINUOUS FEED CONVEYOR AND TO DISCHARGE THE BOOKS ONE AT A TIME AND AT REGULAR INTERVALS; THE COMBINATION OF MEANS DEFINING AN ELONGATED CHANNEL HAVING A DISCHARGE END AND AN INLET END FOR SUCCESSIVELY RECEIVING BOOKS IN LONGITUDINAL ALIGNMENT FROM A CONTINUOUS FEED CONVEYOR, STOP MEANS MOVABLE INTO SAID CHANNEL TO ENGAGE A LEAD BOOK THEREIN AND HOLD THE SAME IN A FEED POSITION AGAINST THE URGING OF THE BOOKS THEREBEHIND, AN ENDLESS CONVEYOR BELT HAVING ONE PASS DISPOSED LONGITUDINALLY IN SAID CHANNEL ADJACENT SAID FEED POSITION BUT OUT OF FEEDING ENGAGEMENT WITH A BOOK THEREAT, A DRIVE PULLEY OPERATIVELY ENGAGED WITH SAID CONVEYOR BELT ADJACENT SAID INLET END OF SAID CHANNEL AND PROVIDING FOR MOVEMENT OF SAID ONE PASS THEREOF TOWARD THE DISCHARGE END OF SAID CHANNEL, A SUPPORT PULLEY OPERATIVELY ENGAGED WITH SAID CONVEYOR BELT ADJACENT THE DISCHARGE END OF SAID CHANNEL AND MOVABLE TRANSVERSELY TO SWING SAID ONE PASS ANGULARLY INTO FEEDING ENGAGEMENT WITH A LEAD BOOK AT SAID FEED POSITION AND TO TRANSPORT THE BOOK TOWARD THE DISCHARGE END OF THE CHANNEL, AND OPERATING MEANS FOR MOVING SAID STOP MEANS AND SAID BELT SUPPORT PULLEYS ALTERNATELY WHEREBY TO FIRST HOLD AND THEN DISCHARGE SUCCESSIVE LEAD BOOKS FROM THE CHANNEL.