Take-up apparatus for reel material
AssigneeDurst Phototechnik GmbH
InventorsFranz Obertegger, Mario Gandini
Life of this patent
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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.
Claims20
A take-up apparatus for reel material comprising a driven winding drum and a sensor for controlling the drive of the winding drum and for detecting a bulging of the reel material ahead of the winding drum, wherein the apparatus is effective for guiding the reel material in a substantially vertical direction to the winding drum.
An apparatus according to claim wherein the sensor has a rocking arm.
Dependencies are inferred from the claim text.