Method and apparatus for rotating an advancing sheet

Details Method and apparatus for rotating an advancing sheet Method and apparatus for rotating an advancing sheet

1997-10-17

2000-03-28

Terrell, William E.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271185, 271226, B65H 2900, B65H 900

Patent

active

060421053

ABSTRACT:
A sheet advancing over a transport plane by pairs of transport rollers is rotated through an angle of 90.degree. by retaining the sheet at a point of rotation coupled with the releasing of one of the transport roller pairs so that only the other transport roller pair exerts a torque on the sheet. By disposing the other of the transport roller pairs exerting the torque somewhat downstream of the center of rotation, the sheet is maintained taut during rotation.

REFERENCES:
patent: 4445679 (1984-05-01), Bay
patent: 4669719 (1987-06-01), Fratangelo
patent: 4928807 (1990-05-01), Auerbach
patent: 5172907 (1992-12-01), Kalisiak
patent: 5320340 (1994-06-01), Bay
patent: 5427367 (1995-06-01), Kimura et al.

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