Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takeshi Takayama0
Date of Patent
June 19, 2012
0Patent Application Number
120402650
Date Filed
February 29, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In one embodiment, in a development apparatus in which at least a first screw conveyor has been provided in a case, a developer affixing prevention member that prevents a developer from affixing to the first screw conveyor is disposed in the vicinity of a toner resupply port provided in the case. More specifically, the developer affixing prevention member is formed with a torsion coil spring formed from the wire rod whose middle has been wound in a coil-like shape, and in a state with the wound portion of this torsion coil spring supported by a support plate of the case, one arm portion is fixed to the support plate, and another arm portion is extended so as to contact a fin and a rotating shaft of the first screw conveyor.
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