Method for transporting and registering stacked sheets

Details Method for transporting and registering stacked sheets Method for transporting and registering stacked sheets

1977-06-27

1978-09-26

Saifer, Robert W.

Sheet feeding or delivering

Feeding

With means to align sheet

271195, B65H 900

Patent

active

041164318

ABSTRACT:
A method for registering a stack of sheets with respect to perpendicularly related axes includes the steps of providing a first sleeve for accommodating the stack of sheets; providing a stop at one end of the sleeve; placing the stack in the sleeve; and providing in the sleeve a fluid stream, whereby the fluid stream moves the sheets down the sleeve in unison and moves the sheets into registration with a wall of the sleeve and the stop. In a modified method a second sleeve is provided in alignment with and adjacent to said first sleeve. The sheets are first placed inside the second sleeve and fluid is drawn from the first sleeve to move the stack. Assistance in moving the stack is provided by fluid injected into the second sleeve, care being taken to prevent a net flow of air out of a gap between the first and second sleeves.

REFERENCES:
patent: 1107859 (1914-08-01), Stevens
patent: 3405977 (1968-10-01), Albright
patent: 3624807 (1971-11-01), Schwebel
patent: 3731823 (1923-05-01), Goth
patent: 3834799 (1974-09-01), Blosser et al.
patent: 3918706 (1975-11-01), Craft

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