Developing apparatus having supply device with compound spiral portions
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United States of America Patent
Stats
-
Nov 22, 2016
Issued Date -
N/A
app pub date -
Jun 18, 2014
filing date -
Jun 28, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A developing apparatus, includes a developer carrying member; a containing portion configured to contain developer; a discharge outlet through which a surplus of the developer is discharged; a first conveying portion configured to convey the developer; a second conveying portion provided downstream of the first conveying portion in a conveying direction of the first conveying portion and having a spiral blade portion configured to convey the developer in a conveying direction opposite to the conveying direction of the first conveying portion; and a disk portion provided upstream of the second conveying portion in the conveying direction of the second conveying portion, the disk portion being formed to project radially-outwardly from a whole circumference of a rotary shaft. An upstream end of the spiral blade portion of the second conveying portion in the conveying direction of the second conveying portion and the disk portion are arranged with an interval therebetween.
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Cited Art Landscape
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