Toner cartridge for an image forming apparatus

Details Toner cartridge for an image forming apparatus Toner cartridge for an image forming apparatus

1990-09-21

1991-08-13

Grimley, A. T.

Photocopying

Contact printing

Light boxes

141364, 141366, 222DIG1, G03G 1506

Patent

active

050400258

ABSTRACT:
A toner cartridge for use with a facsimile transceiver, printer or similar electrophotographic image forming apparatus for supplying a toner, or developer, to a developing unit of the apparatus. A first locking pawl fixes the casing and lid to each other in a condition wherein the toner has not been supplied to the developing unit, while a second locking pawl is caused into a position capable of fixing the casing and lid after the lid has been slid once relative to the casing. To supply the toner from the cartridge to the developing unit, the first pawl is pressed down to unlock the lid from the casing, and then the lid is slid along the casing. As the lid is so slid, the second pawl is brought to the condition for fixing the casing and lid. When the lid is returned along the casing after the supply of the toner, it is fixed to the casing by both of the first and second pawls.

REFERENCES:
patent: 4688023 (1987-08-01), McGill et al.
patent: 4972887 (1990-11-01), Hacknauer et al.

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