Shutter mechanism for controlling developer supplied from a developer supplying device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 1, 2016
Grant Date -
Sep 10, 2015
app pub date -
Mar 4, 2015
filing date -
Mar 7, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A developing device includes a shutter moving portion and a receiving-port shutter that are combined together, with a recessed portion and a projecting portion thereof being in engagement with each other, so that a developer receiving port is opened or shut. A gap is provided between the recessed portion and the projecting portion, and the shutter moving portion is swingable with respect to the receiving-port shutter. Even if the shutter moving portion vibrates by following the displacement of a toner conveying portion, the vibration is not transmitted to the receiving-port shutter because the shutter moving portion absorbs the vibration, preventing the receiving-port shutter from flapping. Thus, the leakage of developer that may occur particularly in a case of package shipment of the developing device and an image forming apparatus is suppressed.
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