Developing device, process cartridge, and image forming apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 23, 2013
Grant Date -
May 26, 2011
app pub date -
Nov 24, 2010
filing date -
Nov 26, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A developing device for developing with developer an electrostatic image formed on an image bearing member includes a developer carrying member; a developing chamber in which the developer carrying member is provided; a developer accommodating chamber, for accommodating developer to be fed to the developing chamber; a shaft rotatably supported in the accommodating chamber; a developer feeding member, mounted on the shaft; a light transmitting member for permitting light to pass into the accommodating chamber to detect an amount of the developer in the accommodating chamber; and a developer scattering preventing member provided on an inner wall of the accommodating chamber so as to overlap with the light transmitting member with respect to an axial direction of the shaft as seen in a direction perpendicular to the developer scattering preventing member, an upper end of the developer scattering preventing member being located below the light transmitting member.
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