Conveyor board for printing press

Claim 1

APPARATUS FOR FEEDING INDIVIDUAL SHEETS ONE AT A TIME FROM A SHEET FEEDER TO A PRINTING PRESS, SAID APPARATUS COMPRISING A CONVEYOR BOARD PIVOTALLY MOUNTED AT ONE END ON THE SHEET FEEDER FOR MOVEMENT BETWEEN A SHEET FEEDING AND A RELEASED POSITION, SAID CONVEYOR BOARD HAVING A BELT WHICH IS CONTINUOUSLY DRIVEN TO CARRY SHEETS FROM THE SHEET FEEDER TO THE PRINTING PRESS, LATCHING MEANS PIVOTALLY MOUNTED ON THE PRINTING PRESS FOR LOCKING SAID CONVEYOR BOARD IN A SHEET FEEDING POSITION, A SHEET HOLD DOWN ASSEMBLY INCLUDING PRESSURE EXERTING MEANS FOR URGING SHEETS INTO FRICTIONAL ENGAGEMENT WITH SAID CONVEYOR BELT, ONE END OF SAID ASSEMBLY BEING PIVOTALLY MOUNTED ON THE PRINTING PRESS END OF SAID CONVEYOR BOARD SO THAT ITS FREE END CAN BE SWUNG AWAY FROM THE CONVEYOR BOARD TO GIVE ACCESS TO JAMMED SHEETS, AND SECURING MEANS MOUNTED ON SAID CONVEYOR BOARD FOR LOCKING THE FREE END OF SAID SHEET HOLD DOWN ASSEMBLY IN ITS OPERATIVE SHEET FEEDING POSITION, SAID SECURING MEANS INCLUDING A LOCKING MEMBER PIVOTALLY MOUNTED ON SAID CONVEYOR BOARD, SPRING MEANS FOR URGING SAID MEMBER TO A LOCKING POSITION, AND LEVER MEANS FOR ROTATING SAID LOCKING MEMBER AGAINST THE ACTION OF SAID SPRING MEANS TO A RELEASING POSITION.