Side registration with subtle transverse corrugation

Details Side registration with subtle transverse corrugation Side registration with subtle transverse corrugation

1988-03-21

1989-03-07

Rolla, Joseph J.

Sheet feeding or delivering

Feeding

With means to align sheet

271188, 226 17, 226 88, 226196, B65H 916

Patent

active

048099686

ABSTRACT:
Side registering a sheet during forward movement of the sheet with lateral movement of the sheet causing one side edge of the sheet to engage a registration edge guide, by moving the sheet with skewed rollers providing a sheet engaging and driving nip, wherein the registration edge guide is substantially in one plane but has a small localized arcuate deformation out of that plane adjacent the nip, causing localized arcuate deformation of the sheet, the nip also being spaced from the plane by a corresponding amount, the localized arcuate deformation of the edge guide and the spacing of the nip providing localized bending of a portion of the sheet at the nip for improved side registering. The registration edge guide is preferably substantially linear V-shaped slot engaging one edge of the sheet therein and directing it toward a smooth bottom comprising only a small portion of the slot and lying substantially in the plane except at the localized arcuate deformation.

REFERENCES:
patent: 3762700 (1973-10-01), Peterson et al.
patent: 3908986 (1975-09-01), Bleau
patent: 4079669 (1978-03-01), Nuborg
patent: 4179117 (1979-12-01), Rhodes, Jr.
patent: 4316664 (1982-02-01), Nishimoto
patent: 4316667 (1982-02-01), Edwards et al.
patent: 4349188 (1982-09-01), Young
patent: 4401302 (1983-08-01), Hardy et al.
patent: 4432541 (1984-02-01), Clark et al.
patent: 4438918 (1984-03-01), Ito et al.
patent: 4469319 (1984-09-01), Robb et al.
patent: 4621801 (1986-11-01), Sanchez
patent: 4744555 (1988-05-01), Naramore

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