Fixing device
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United States of America Patent
Stats
-
Mar 8, 2016
Grant Date -
Jan 28, 2016
app pub date -
Jul 24, 2015
filing date -
Jul 28, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fixing device includes: a cylindrical film; a nip forming member; and a back-up member for forming a nip. The nip forming member includes a projected portion. The projection amount of the projected portion is smaller in an end portion region positioned at an end portion of the projected portion with respect to a generatrix direction of the film than in a central region positioned at a central portion of the projected portion with respect to the generatrix direction, at least a part of the end portion region being inside a feeding region of a maximum-sized recording material usable in the fixing device. With respect to the recording material feeding direction, the width of the part of the projected portion inside the nip is broader in the end portion region than in the central region.
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