Charging device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 30, 2014
Grant Date -
Apr 18, 2013
app pub date -
Oct 9, 2012
filing date -
Oct 12, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A charging device includes a corona charger including a grid electrode, a cleaning member configured to clean the grid electrode, a sheet-type shutter configured to open/close an opening of the corona charger, a drive source configured to drive both the cleaning member and the shutter in a longitudinal direction of the corona charger, and a control unit configured to control drive of the drive source such that, when the shutter is moved in a closing direction of the opening of the corona charger after image formation is finished, the cleaning member and the shutter are driven at a first speed, and when the shutter is moved in an opening direction of the opening of the corona charger at least from when power is turned on until image formation is started, the cleaning member and the shutter are driven at a second speed higher than the first speed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully