Sheet orthogonal-conveying method and device

Details Sheet orthogonal-conveying method and device Sheet orthogonal-conveying method and device

1980-10-17

1982-12-28

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

With means to align sheet

271146, 271242, 271243, 271272, B65H 900

Patent

active

043657958

ABSTRACT:
A sheet orthogonal-conveying method and apparatus in which the front edge of a sheet sliding under its own weight is delivered into the nip formed between a pair of rollers orthogonal to the direction of advancement of the sheet. The sheet is first guided so that its front edge slides into contact with the side edge of one of the rollers, preferably the upper one of the rollers, at a position away from the nip. After the sheet has reached a stationary position stopped by the roller, the position of the guide has changed so that the sheet may slide into the nip and be clamped and conveyed by the rollers. Preferably, the sheet is vibrated during this operation. An elastic guide piece may be utilized to urge the sheet toward a reference surface of the guide member.

REFERENCES:
patent: 1261998 (1918-04-01), Anderson
patent: 3288461 (1966-11-01), Smith
patent: 3350091 (1967-10-01), Masterson et al.
patent: 3545741 (1970-12-01), Porth
patent: 4150743 (1979-04-01), Lazzarotti et al.
patent: 4167673 (1979-09-01), Stievenart et al.

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