Cleaning unit, image forming apparatus using the same, and...

Details Cleaning unit, image forming apparatus using the same, and... Cleaning unit, image forming apparatus using the same, and...

2011-06-14

2011-06-14

Porta, David P (Department: 2884)

Electrophotography

Having particular structure

Modular or displaceable

C399S343000, C399S350000, C399S351000, C399S358000, C399S360000

Reexamination Certificate

active

07962066

ABSTRACT:
A cleaning unit includes a cleaner. The cleaner includes: a support member; a toner scraping member; and a toner storing mechanism. The toner storing mechanism includes: a toner catching member provided in a vicinity of a leading end of the toner scraping member so as to catch the toner scraped off; and a swingably supporting mechanism which supports swingably the toner catching member with a middle portion of the toner catching member as a swing fulcrum. A free end portion of the toner catching member protruding from the toner scraping member in the moving direction is a storage moving portion which moves based on an amount of the stored toner, and a portion opposite to the free end portion with respect to the swing fulcrum is a press portion which presses the toner scraping member toward the cleaned member based on a moving amount of the storage moving portion.

REFERENCES:
patent: 4806981 (1989-02-01), Ishiguro et al.
patent: 5066983 (1991-11-01), Tonomoto
patent: 2005/0214045 (2005-09-01), Ohta et al.
patent: 61094083 (1986-05-01), None
patent: 09-016046 (1997-01-01), None
patent: 3695496 (2005-07-01), None
patent: 2006-030730 (2006-02-01), None

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