Exchangeable toner cartridge for an image forming apparatus
AssigneeSamsung Electronics Co., Ltd.
InventorYong Ung Ha
Life of this patent
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Abstract
An improved exchangeable toner cartridge installed on a developing unit of an image forming apparatus includes a first seal detachably attached to the bottom thereof for closing off a toner supplying opening formed at the bottom, and a second sealing means disposed to the outside of the first seal for preventing the leakage or spread of toner due to the poor attachment of the first seal. Alteratively, the second seal is disposed between the bottom of the toner cartridge and the first seal.
Claims6
An exchangeable toner cartridge installed on a developing unit having a flange upwardly extended from a lower edge of each side thereof, said toner cartridge comprising discrete first and second sealing means, said first sealing means removably attached to the bottom of said toner cartridge for selectively closing off a toner supplying opening formed at the bottom;
- and second sealing means removably disposed on said first sealing means for preventing leakage or spread of toner due to poor attachment or excess movement during removal of said first sealing means.
A toner cartridge exchangeable installed on a developing unit having a flange upwardly extended from a lower edge of each side thereof, said toner cartridge comprising discrete first and second sealing means, said first sealing means removably attached to the bottom of said toner cartridge for selectively closing off a toner supplying opening formed at the bottom;
- and second sealing means removably disposed between the bottom of said toner cartridge and said first sealing means.
A toner cartridge having a toner supply opening defining an opening periphery, said cartridge adapted to be installed on a developing unit for supplying toner through the opening, the opening being closed off by a reinforced seal structure, said seal structure comprising;
- first sealing means adhesively attached to the periphery of the opening having a tab portion for facilitating removal of said first sealing means;
- and
- second sealing means detachably attached to said first sealing means to reinforce said seal structure to prevent leakage of toner due to inadequate attachment;
- said second sealing means having a tab portion for facilitating removal thereof.
Dependencies are inferred from the claim text.