Electrophotography – Image formation – Development
Patent
1997-01-27
1998-05-26
Ramirez, Nestor R.
Electrophotography
Image formation
Development
399260, 399262, G03G 1508
Patent
active
057582351
ABSTRACT:
A developing device is provided with a toner container rotatable to a toner replenishing position. The toner container has a toner outlet in a wall of the container. This outlet includes an edge portion that is downstream in the direction of the rotation of the container that is jutted towards the center of toner container rotation which is inside the toner container. This inwardly jutted edge portion of the toner outlet provides a toner outlet profile having an edge that is lower than the other edge of the toner outlet in the direction of toner container rotation so that the lower edge does not engage into contact with a toner inlet on a wall of a developing chamber of a developing device until after the toner outlet is in a position overlapping at least most of the toner inlet. The toner container can further be provided with an internal plate mounted to pivot from a position where the plate extends along an inner surface of the toner container which is spaced from but generally faces the toner outlet and a position where the swinging end of the plate pivots closer to the toner outlet without blocking it so as to help expel any toner that may have become compacted near the toner outlet. A drive device is provided to rotate the container into a position in which it provides toner to the developing chamber of the development unit from the toner outlet of the toner container via the overlapped toner inlet with the plate swinging to its second position to insure that toner that may be massed near the outlet portion can be expelled.
REFERENCES:
patent: 4212264 (1980-07-01), Knechtel et al.
patent: 4622916 (1986-11-01), Tanaka et al.
patent: 4850303 (1989-07-01), Cipolla et al.
patent: 4975748 (1990-12-01), Koimura et al.
patent: 5034776 (1991-07-01), Sugiura
patent: 5053825 (1991-10-01), Trainor et al.
patent: 5105226 (1992-04-01), Sugihara
patent: 5109254 (1992-04-01), Oka et al.
patent: 5249020 (1993-09-01), Takano
patent: 5384628 (1995-01-01), Takami et al.
patent: 5416568 (1995-05-01), Yoshiki et al.
patent: 5537197 (1996-07-01), Fujishiro et al.
patent: 5565973 (1996-10-01), Fujishiro et al.
patent: 5587783 (1996-12-01), Nakamura et al.
Patent Abstracts of Japan, vol. 15, No. 471, Nov. 28, 1991, JP-A-3-203760, Sep. 5, 1991.
Patent Abstracts of Japan, vol. 18, No. 7, Jan. 7, 1994, JP-A-5-249766, Sep. 28, 1993.
Patent Abstracts of Japan, vol. 11, No. 239, Aug. 6, 1987, JP-A-62-50862, Mar. 5, 1987.
Ishikawa Tomoji
Kato Shinji
Kosuge Katsuhiro
Sugihara Kazuyuki
Ramirez Nestor R.
Ricoh & Company, Ltd.
LandOfFree
Toner container for a rotary developing device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Toner container for a rotary developing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Toner container for a rotary developing device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1977784