Sheet feeder

A sheet feeder for forwardly dispensing stacked rectangular sheets one by one from the uppermost position comprising a connecting rod 14 having one end connected to a crank pin 13 revolvable in one direction;

• an intermediate arm 16 having a front end pivoted to the other end of the rod 14 and an intermediate portion supported by a pivot 17 on a fixed frame, the arm 16 being pivotally movable upward and downward;
• a pivotal arm 19 having a front end coupled to the rear end of the arm 16 by a front connection 21 provided by a pin 20 and a slit 18 and a rear end positioned to the rear of the front end of the stack of sheets 11 and below the front connection 21 and coupled to the fixed frame by a rear connection 26 provided by a pin 25 and a slit 24;
• and sheet attracting means 28 disposed at the front end of the pivotal arm 19 and movable about the pivot 17 when in a raised position away from the top of the stack of sheets 11, by the pivotal movement of the pivotal arm 19 effected by the revolution of the crank pin 13 through the connecting rod 14 and the intermediate arm 16, the sheet attracting means 28 being movable about the pin 25 of the rear connection 26 when in a lowered position close to the top of the stack of sheets 11.