Sheet feeder for feeding sheet and image processing apparatus with sheet feeder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 25, 2014
Grant Date -
Jun 13, 2013
app pub date -
Dec 5, 2012
filing date -
Dec 9, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sheet feeder includes a sheet placing portion, a feeding member, a supporting body, a driver, an electromagnetic clutch and a retraction controller. The supporting body is capable of changing a posture between a sheet feeding posture of the feeding member and a retracting posture for retracting the feeding member. The electromagnetic clutch is capable of changing a state between an engaged state in which a drive force is transmitted to the supporting body and a disengaged state in which the drive force is not transmitted to the supporting body. The retraction controller stops the output of a drive force after the electromagnetic clutch is set in the engaged state and the supporting body is set to the retracting posture by the drive force, and sets the electromagnetic clutch in the disengaged state when an engagement keeping time elapses after the output of the drive force is stopped.
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