Method and device for controlling the circulation speed of an endless belt and arrangement for generation of a braking force on an endless belt
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United States of America Patent
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Jan 5, 2010
Grant Date -
Aug 16, 2007
app pub date -
Aug 27, 2004
filing date -
Sep 29, 2003
priority date (Note) -
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Abstract
In a method for control of circulation speed of an endless belt arranged in a printer or copier, the endless belt is directed over at least two rollers where the belt is driven with a preset first circulation speed via at least one of the rollers as a driven roller. Various load states act on the endless belt in successive operating phases during a printing or copying process, and via said various load states the belt being braked with different strengths so that a slippage is generated at least between the belt and the driven roller. A braking force acting directly on the endless belt is generated. Braking force is controlled such that a substantially constant slippage is generated between the driven roller and the belt based on the operating phases so that the endless belt is braked to a second circulation speed.
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