Signature feeder to stacker

Claim 1

THE COMBINATION, IN A CONVEYOR OF DISCRETE APPROXIMATELY FLAT ARTICLES, OF A PRIMARY, MATERIAL SUPPORTING BELT HAVING TOP AND BOTTOM FLIGHTS; A PRESSURE BELT HAVING A BOTTOM FLIGHT ADJACENT SAID PRIMARY BELT TOP FLIGHT; PRESSURE BELT ROLLERS SPACED APART A LESS DISTANCE THAN THE LENGTH OF SAID PRIMARY BELT TOP FLIGHT, AND AROUND WHICH ROLLERS THE PRESSURE BELT IS ENTRAINED; AN INTERMEDIATE ROLLER ACROSS AND UNDER SAID PRIMARY BELT TOP FLIGHT; MEANS URGING SAID PRESSURE BELT FLIGHT COMPRESSIVELY AGAINST SAID PRIMARY BELT TOP FLIGHT AND BENDING BOTH FLIGHTS OVER SAID INTERMEDIATE ROLLER; MEANS DRIVING SAID PRIMARY BELT; SAID ARTICLES BEING DEPOSITED ONTO SAID PRIMARY BELT AND CARRIED BETWEEN SAID BELT FLIGHTS TO BE COMPRESSIVELY GRIPPED THEREBETWEEN AND TRANSPORTED TO DISCHARGE BEYOND SAID PRESSURE BELT; A SECOND BELT MEANS HAVING A FLIGHT MOVING AWAY THE SAID PRIMARY BELT DISCHARGING PORTION; ROLLING WEIGHT MEANS ROCKABLY FIXED AT ONE END PORTION THEREOF; PRESSURE BELTS IN SAID SECOND BELT MEANS ENGAGING SAID ARTICLES BY SAID LAST BELTS BEARING ON SAID ARTICLES AND PRESSING THEM AGAINST SAID MOVING FLIGHT; AND SAID WEIGHTS BEING FREE TO DROP UNDER INFLUENCE OF GRAVITY AND BEING ROTATED BY SAID PRESSURE BELTS BEARING ON SAID ARTICLES.