Patent ID: 7926802

Claim:
A feed apparatus for a printing press, comprising: a first sucker device which chucks sheets, which are stacked and supported to be vertically movable, one by one from an uppermost one; and a second sucker device which chucks the sheet transferred from said first sucker device and conveys the sheet, said first sucker device comprising a guide nozzle, a sucker which is supported by said guide nozzle to be vertically movable and includes a chuck hole at a bottom for chucking the sheet, and a spring which biases said sucker toward a distal end of said guide nozzle, said guide nozzle comprising a first air passage for drawing the sheet and a second air passage for drawing said sucker, and said sucker comprising a closing portion which closes said second air passage when said sucker is located at an upper limit against a biasing force of said spring, wherein said first air passage is formed at a central portion of said guide nozzle, said second air passage comprising a cylindrical space formed so as to surround the first air passage.