Method and apparatus for reorienting a printable medium

Details Method and apparatus for reorienting a printable medium Method and apparatus for reorienting a printable medium

1999-05-25

2000-12-05

Bollinger, David H.

Sheet feeding or delivering

Feeding

By means to change direction of sheet travel

271184, B65H 500

Patent

active

061555606

ABSTRACT:
The present invention is directed to a method and apparatus for reorienting printable material, such as the signatures of a web fed rotary printing press, in a manner whereby a new velocity vector can be positively imparted to a signature instantaneously. Exemplary embodiments used selected portions of a drive mechanism to actively redirect the signatures with a new velocity vector. Because the new velocity vector is actively imparted to the signatures, exemplary embodiments provide a highly reliable reorientation of the signatures, without causing damage to the signatures, and without risking potential jamming of the printing press. Exemplary embodiments of the present invention not only preserve the quality of a shingled stream by providing an ability to retain the original lateral alignment and pitch of the incoming shingled stream, but in addition, exemplary embodiments can correct the pitch between signatures of an incoming shingled stream.

REFERENCES:
patent: 5188355 (1993-02-01), Lowell et al.
patent: 5282528 (1994-02-01), Hudson
patent: 5318285 (1994-06-01), Edwards et al.
patent: 5855153 (1999-01-01), Cote et al.
"Baldwin Stobb PowerTurn 260.TM.", Baldwin Stobb of San Bernardino, CA , Aug. 1997, 2 pgs.

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