Developing machine which uses a developing agent including a ton

Details Developing machine which uses a developing agent including a ton Developing machine which uses a developing agent including a ton

1995-12-29

1998-10-13

Lee, S.

Electrophotography

Image formation

Development

399260, G03G 1508

Patent

active

058226648

ABSTRACT:
A developing machine is provided which includes a supporting case (2); a developing sleeve (4) mounted within the supporting case (2), for carrying a developing agent (3); a magnetic roller (15) mounted within the developing sleeve (4); a projection (5d) for thinning a layer of the developing agent (3) carried on the developing sleeve (4) and regulating the amount of the developing agent (3); a drift portion A having a predetermined capacity, in which the developing agent (3) stopped by the projection (5d) drifts about; a toner containing portion (5b) having a toner supplying opening 5c which faces the developing sleeve (4) and is contiguous to the drift portion A on the upstream side of a direction in which the developing agent (3) on the developing sleeve (4) is carried; a developing agent storage case (5) attachable to and detachable from the supporting case (2), including the developing sleeve (4) and the toner containing portion (5b); and a developing agent retrieving device for a scraping the developing agent (3) lying on the developing sleeve (14) and retrieving the scraped developing agent (3) into the toner containing portion (5b).

REFERENCES:
patent: 5188057 (1993-02-01), Ishikawa et al.
patent: 5383009 (1995-01-01), Tsusaka
patent: 5502552 (1996-03-01), Iwata et al.

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