Take-up apparatus for reel material

Details Take-up apparatus for reel material Take-up apparatus for reel material

1995-09-15

1997-06-03

Darling, John P.

Winding, tensioning, or guiding

Tension control or brake

Take-up coil drive control

2424191, 242534, B65H 2310

Patent

active

056346085

ABSTRACT:
A take-up apparatus for reel material of an image exposing device has a driven winding drum and a sensor provided to control the drive of the winding drum. The sensor detects the position of the reel material ahead of the winding drum. In this case, the drive of the winding drum is controlled in such a manner that the reel material forms a bulge (A) ahead of the winding drum with a substantially constant curvature.

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patent: 3603522 (1971-09-01), Herrmann
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patent: 4990949 (1991-02-01), Tomizawa
patent: 4996541 (1991-02-01), Mori et al.
patent: 5117241 (1992-05-01), Stephenson
patent: 5176334 (1993-01-01), Dreschau et al.
patent: 5284305 (1994-02-01), Gassmann

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