Image heating apparatus
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United States of America Patent
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Jun 16, 2015
Grant Date -
Apr 3, 2014
app pub date -
Nov 6, 2013
filing date -
Dec 17, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus includes a coil generating magnetic flux, a rotatable heater generating heat by the flux generated from the coil, for heating an image on a recording material, magnetic cores provided outside the heater and arranged in a rotational axis direction of the heater, a first mover moving at least a part of the cores from a first position to a second position spaced from the coils, an adjuster, movable between the cores and the heater, for reducing the flux directed from the cores toward the heater, and a second mover moving, when a first core in a non-sheet-passing area of the recording material is moved to the second position by the first mover and a second core adjacent to the first core in the non-sheet-passing area is disposed at the first position to heat the image, the adjuster to a position corresponding to the second core.
First Claim
Family
International Classification(s)
Cited Art Landscape
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