Developing device having thickness regulation blade
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United States of America Patent
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-
Feb 3, 2015
Issued Date -
N/A
app pub date -
Jan 22, 2013
filing date -
Jan 23, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A developing device includes: a casing; a developing roller rotatably supported to the casing; a resiliently deformable blade supported to the casing; a regulation portion; and a covering portion. The developing roller is rotatable in a rotational direction and carries a layer of developer thereon. The blade extends in an axial direction of the developing roller and has one axial end portion formed with a through-hole, the blade having a first surface facing the developing roller and a second surface opposite to the first surface. The regulation portion is configured to be in contact with the developing roller to regulate a thickness of the layer of the developer carried on the developing roller. The covering portion is provided on the second surface and positioned to cover the through-hole.
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