Paper feed apparatus for sheet-fed press

Details Paper feed apparatus for sheet-fed press Paper feed apparatus for sheet-fed press

1993-04-27

1994-08-30

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separator and conveyor

271 12, B65H 508

Patent

active

053420357

ABSTRACT:
A paper feed apparatus for a sheet-fed press includes a paper stack unit, a suction port member, a cam mechanism, and a paper feed roller and a paper feed roll. The paper stack unit stacks paper sheets on a paper stack plate thereof. The suction port member draws the leading end portion of the paper sheet stacked on the paper stack unit. The cam mechanism moves the suction port member vertically between a suction position and an upper position and back and forth between the suction position and a retreat position. The paper feed roller and the paper feed roll are disposed within the forward path of the suction port member, and draw the paper sheet conveyed by the suction port member and feed the paper sheet onto a feeder board.

REFERENCES:
patent: 1853781 (1932-04-01), Rider
patent: 1920388 (1933-08-01), Harrold
patent: 2084065 (1937-06-01), Reinwartz
patent: 2185652 (1940-01-01), Spiess
patent: 2201604 (1940-05-01), Backhouse
patent: 2693957 (1954-11-01), Welsh
patent: 3261601 (1966-07-01), Schwebel
patent: 3980292 (1976-09-01), Saburai
patent: 4129294 (1978-12-01), Marass
patent: 5052672 (1991-10-01), Horii

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