Dual sliding shutter system

Details Dual sliding shutter system Dual sliding shutter system

2006-10-25

2009-06-16

Chen, Sophia S (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

C399S258000, C399S262000

Reexamination Certificate

active

07548710

ABSTRACT:
An image forming device includes a removable cartridge holding toner, supplying toner to a developer. The cartridge and developer each include a shutter to retain toner when the cartridge is removed. Upon insertion, the developer abuts the cartridge shutter, and the cartridge abuts the developer shutter, such that movement of the shutter into the image forming device opens both the shutters. Additionally upon insertion, the cartridge shutter releasably engages with the developer, and the cartridge releasably engages with the developer shutter. Upon removing the cartridge, the developer pulls the cartridge shutter closed prior to releasing engagement, and the cartridge pulls the developer shutter closed prior to releasing engagement. The opening and closing of both shutters requires only a single movement by the user: inserting or removing the cartridge from the image forming device.

REFERENCES:
patent: 5842093 (1998-11-01), Tanda
patent: 2002/0085857 (2002-07-01), Kim et al.
patent: 2005/0135842 (2005-06-01), Murakami et al.
patent: 2005/0226658 (2005-10-01), Haruyama
patent: 2006/0280526 (2006-12-01), Shimomura
patent: 2001-083792 (2001-03-01), None
Machine translation of JP 2001-083792 A dated Mar. 5, 2008.

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