Developer container, developing apparatus, process cartridge, image forming apparatus, and apparatus main body of image forming apparatus
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United States of America Patent
Stats
-
Mar 14, 2017
Grant Date -
Sep 1, 2016
app pub date -
Feb 18, 2016
filing date -
Feb 27, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A developing apparatus includes: a developing chamber that has a developer bearing member bearing developer, an accommodating chamber that has a concave portion and an opening and accommodates the developer under the developing chamber, a conveying member that conveys the developer by rotation; and a first detecting member and a second detecting member that detect an amount of the developer in use of capacitance. A part of the concave portion is within a turning radius of the conveying member. In addition, the first detecting member is provided on a downstream side in a rotating direction of the conveying member relative to the concave portion, and the second detecting member is provided on an upstream side in the rotating direction of the conveying member relative to the concave portion.
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