Wave generator to shingle sheets

Details Wave generator to shingle sheets Wave generator to shingle sheets

1978-03-20

1979-08-28

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 22, 271113, 271120, 271250, B65H 306, B65H 332

Patent

active

041658701

ABSTRACT:
An improved apparatus for successively separating and feeding sheets from a stack of sheets is disclosed. A wave generator wheel, rotating in a plane generally parallel to the stack, and about a tiltable axis generally perpendicular to the stack, is tiltable in a first direction to contact the stack for shingling the stack, and in a second direction to contact the stack for restoring the stack to its unshingled state. Sheets in a stack are driven forward or rearward by simply tilting the rotating wheel. The wave generator wheel is used to first drive the stack's top sheet away from a feed nip, and to then drive the stack's top sheet into the feed nip.

REFERENCES:
patent: 3008709 (1961-11-01), Buslik
patent: 3276770 (1966-10-01), Griswold
patent: 3970299 (1976-07-01), Berger et al.
patent: 3989237 (1976-11-01), Goff et al.
Hunt, R. E., "Paper Feed Wheel", IBM Technical Disclosure Bulletin, vol. 20, No. 8, Jan. 1978, p. 2933.

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