Tanisawa
Hiroshi Tanisawa, Osaka JP
Patent application number | Description | Published |
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20100061769 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND TONER SUPPLY CONTROL METHOD USING THE SAME - A developing device includes: a first conveying passage (developer conveying passage) through which a developer containing a toner and a magnetic carrier is conveyed; a first conveying member (developer conveying member) provided in the first conveying passage for agitating and conveying the developer in a predetermined direction; and a toner supply pipe for leading supplementary toner to the first conveying passage. The developing device further includes electromagnets for forming a magnetic field inside the toner supply pipe to create a magnetic brush shutter by means of the electromagnets. | 03-11-2010 |
20150063873 | IMAGE FORMING APPARATUS AND TONER CARTRIDGE - A multi-functional peripheral includes a toner cartridge and an apparatus main body having a toner cartridge attaching section to which the toner cartridge is attached. The toner cartridge has a tubular outer circumferential surface extending along an inserting direction X for insertion of the toner cartridge into a containing space in the toner cartridge attaching section | 03-05-2015 |
Hiroshi Tanisawa, Nara-Shi JP
Patent application number | Description | Published |
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20090060585 | IMAGE FORMING APPARATUS - A communication unit has a first conveyance part connected to a toner cartridge and provided with a feed port for a toner from the toner cartridge, and a second conveyance part connected to a developing device and provided with a replenishment port for a toner to the developing device. In a state locked by the lock mechanism, the first conveyance part and the second conveyance part are connected to each other, and the feed port of the first conveyance part and the replenishment port of the second conveyance part are opened, allowing for a toner replenishment. In a lock-released state, the feed port of the first conveyance part and the replenishment port of the second conveyance part are closed by a circular arc-shaped shutter member and a rotary shutter member, allowing the first conveyance part and the second conveyance part to be separable from each other. | 03-05-2009 |
Hiroshi Tanisawa, Osaka-Shi JP
Patent application number | Description | Published |
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20150241814 | STORAGE, TONER PASSAGE, AND IMAGE FORMING APPARATUS - Waste toner scraped off a surface of a photoreceptor drum is transported by a toner conveyor screw of a cleaner and sent into a process pipe. The process pipe includes an end that does not have a screw, and a moth-eye structure is provided on an inner wall surface of the end by applying a moth-eye sheet. Thus, the waste toner is prevented from remaining at the end of the process pipe. | 08-27-2015 |