Electrophotography – Image formation – Development
Reexamination Certificate
2006-09-12
2008-10-21
Chen, Sophia S (Department: 2852)
Electrophotography
Image formation
Development
C399S119000, C399S260000
Reexamination Certificate
active
07440717
ABSTRACT:
In the developing apparatus including a developing bath and a toner transport pipe for supplying toner to the developing bath, a toner supply portion opening/closing mechanism is provided, that includes a shutter member for opening and closing a toner supply port of the toner transport pipe that is contained in a base portion of the toner transport pipe, a shaft for moving the shutter member back and forth in a longitudinal direction of the developing bath, a second spring member provided such that the shaft is inserted therein, a first spring member for supporting the shaft detachably to the shutter member through its extension and contraction, and a lever member for extending and contracting the first spring member through its releasing and closing.
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Ishiguro Yasuyuki
Kawahito Hiroshi
Kubota Hiroshi
Yamaguchi Jun
Yoshimoto Yusuke
Chen Sophia S
Nixon & Vanderhye P.C.
Sharp Kabushiki Kaisha
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