IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0984153
(2007-11-14)
|
등록번호 |
US-7676178
(2010-04-21)
|
우선권정보 |
JP-2003-053521(2003-02-28); JP-2003-053671(2003-02-28) |
발명자
/ 주소 |
|
출원인 / 주소 |
- Kabushiki Kaisha Toshiba
- Toshiba Tec Kabushiki Kaisha
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
13 |
초록
▼
According to a toner cartridge of this invention, a region (R3) extending along the outer circumferential direction of a toner cartridge (50) is not tapered, and a region (R1) on the inner wall of a developing device (10) which corresponds to the region (R3) is not tapered either. This prevents the
According to a toner cartridge of this invention, a region (R3) extending along the outer circumferential direction of a toner cartridge (50) is not tapered, and a region (R1) on the inner wall of a developing device (10) which corresponds to the region (R3) is not tapered either. This prevents the occurrence of backlash between them, and allows the shutter of the toner replenishment port of the developing device (10) to be reliably closed when the toner cartridge (50) is slid. This can therefore prevent toner from leaking and contaminating the image forming apparatus. According to a toner cartridge of this invention, a cap (60) which seals the opening portion of a casing (51) of a toner cartridge (50a) is formed from a transparent member. This allows an easy check of the color of toner from the front surface side of an image forming apparatus, and eliminates the necessity to add a new member for a color check, thereby contributing to a reduction in cost.
대표청구항
▼
What is claimed is: 1. A toner cartridge exchangeably inserted into a revolver and replenishing toner into a replenishment port of a developing device in the revolver, comprising: a toner container containing toner therein, having a predetermined length along a direction of being inserted into the
What is claimed is: 1. A toner cartridge exchangeably inserted into a revolver and replenishing toner into a replenishment port of a developing device in the revolver, comprising: a toner container containing toner therein, having a predetermined length along a direction of being inserted into the revolver, at least one end surface of the toner container along a direction of being inserted into the revolver having: a first portion in which a portion of an outer shape thereof has a substantial cylindrical shape, which enables to contain a cylinder having a predetermined diameter, a second portion provided upward to the first portion having a substantial triangular shape, whose one side has a curvature along the outer shape of the revolver, and whose bottom is shorter than the predetermined diameter, and a third portion unified with at least one portion of the first portion; and a grip which allows the toner cartridge to be pulled out from the revolver. 2. A toner cartridge according to claim 1, wherein the toner cartridge further comprises a rotary mixer facing the first portion, having a predetermined diameter. 3. A toner cartridge according to claim 1, wherein the third portion is provided with a screw. 4. A toner cartridge according to claim 1, wherein the grip has a L shape cross sectional surface. 5. A toner cartridge exchangeably inserted into a revolver and replenishing toner into a replenishment port of a developing device in the revolver, comprising: a toner container which contains toner therein, having a predetermined length along a direction of being inserted into the revolver, in which at least one end surface along a direction of being inserted into the revolver has a predetermined curvature fitted to an outer shape of the revolver; and a grip provided on the one end surface, whose a cross sectional view has a L shape along a direction being inserted into the toner cartridge, at least one end surface of the toner container along a direction of being inserted into the revolver having: a first portion in which a portion of an outer shape thereof has a substantial cylindrical shape, and can contain a cylinder having a predetermined diameter, a second portion provided upward to the first portion having a substantial triangular shape, whose one side has a curvature along the outer shape of the revolver, and whose bottom is shorter than the predetermined diameter, and a third portion unified with at least one portion of the first portion. 6. A toner cartridge according to claim 5, wherein at least upward portion of the grip allows discrimination of a color of a toner contained in the toner container. 7. A toner cartridge exchangeably inserted into a revolver and replenishing toner into a replenishment port of a developing device in the revolver, comprising: a toner container containing toner therein, having a predetermined length along a direction of being inserted into the revolver; a grip provided on the one end surface, whose a cross sectional surface has a L shape along a direction being inserted into the toner cartridge; and a window provided at least upward the grip which allows discrimination of a color of a toner contained in the toner container, at least one end surface of the toner container along a direction of being inserted into the revolver having: a first portion in which a portion of an outer shape thereof has a substantial cylindrical shape, and can contain a cylinder having a predetermined diameter, a second portion provided upward to the first portion having a substantial triangular shape, whose one side has a curvature along the outer shape of the revolver, and whose bottom is shorter than the predetermined diameter, and a third portion unified with at least one portion of the first portion. 8. A toner cartridge according to claim 7, wherein the grip has a L shape cross sectional surface. 9. A toner cartridge according to claim 7, wherein the toner cartridge further comprises a rotary mixer facing the first portion, having a predetermined diameter. 10. A toner cartridge according to claim 7, wherein the third portion is provided with a screw.
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