[특허]Image forming apparatus having a plurality of vertically stacked image forming units

Image forming apparatus having a plurality of vertically stacked image forming units 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G03G-021/00
출원번호	US-0718864 (1996-09-24)
우선권정보	JP-0300314 (1995-11-17)
발명자 / 주소	Iwasaki Takeo,JPX
출원인 / 주소	Brother Kogyo Kabushiki Kaisha, JPX
대리인 / 주소	Oliff & Berridge,P.L.C.
인용정보	피인용 횟수 : 39 인용 특허 : 0

초록 ▼

Maintenance performance is promoted and a vivid printed image is provided in an electrophotographic device capable of conducting color printing. Cartridges corresponding to different printing colors, each of which includes a photosensitive body, are stacked in a vertical direction. A recording sheet is fed along a sheet feeding path and brought into contact with the photosensitive bodies corresponding to the respective colors, and toner images of the respective printing colors are transferred on the recording sheet. A transfer belt for feeding the recording sheet is arranged in a front cover, and the transfer belt is exposed when the front cover is opened. Therefore, correcting a mis-feeding of the recording sheet is facilitated. Also, the respective cartridges are spaced apart such that optical paths are provided between the cartridges so that optical beams corresponding to the respective printing colors may be directly irradiated onto the corresponding photosensitive bodies. In addition, the cartridges and optical scanners are mounted on the device using materials having substantially the same coefficient of thermal expansion so that changes in the ambient temperature will not affect the relative positions of the scanners and the photosensitive bodies.

대표청구항 ▼

[ What is claimed is:] [1.] An electrophotographic device, comprising:a main body frame;a plurality of developing devices, each developing device including a developing material storage bin, an optical beam emitter and a photosensitive member, wherein developing material is provided from the storage bin to a surface of the photosensitive member to form developing material images on the surface of the photosensitive member, such that each developing device holds a different color developing material, and the plurality of optical beam emitters are arranged so each optical beam travels along an optical path passing directly from a beam emitter to a corresponding one of the photosensitive members;a developer supporting device for supporting the plurality of developing devices on the main body frame;a door that is openable to expose a recording sheet feeding path of the electrophotographic device; anda recording sheet feeding device mounted on an inner side of the door for feeding a recording sheet along the recording sheet feeding path to successively bring the recording sheet adjacent the photosensitive members of the plurality of developing devices so that developing material on surfaces of the photosensitive members can be transferred to the recording sheet, said recording sheet feeding device feeding said recording sheet across all of the developing devices in a linear manner.

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Nakazato, Yasushi; Shimada, Kazuyuki; Nakajima, Tomohiro, Image forming apparatus.
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Tajima, Naoki; Suzuki, Takeshi; Tanoue, Kazuyuki, Image forming apparatus.
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Tajima, Naoki; Suzuki, Takeshi; Tanoue, Kazuyuki, Image forming apparatus.
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Yokoi,Katsuyuki, Image forming apparatus.
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Kamimura,Naoya, Image forming apparatus and process cartridge.
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Nakazato Yasushi,JPX ; Shimada Kazuyuki,JPX ; Nakajima Tomohiro,JPX, Image forming apparatus for reducing banding caused by vibration of stacked image forming cartridges.
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Yasushi Nakazato JP; Kazuyuki Shimada JP; Tomohiro Nakajima JP, Image forming apparatus for reducing banding caused by vibration of stacked image forming cartridges.
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Yasushi Nakazato JP; Kazuyuki Shimada JP; Tomohiro Nakajima JP, Image forming apparatus for reducing banding caused by vibration of stacked image forming cartridges.
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Nakazato, Yasushi; Shimada, Kazuyuki; Nakajima, Tomohiro, Image forming apparatus having a plurality of cartridges and a single writing unit.
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Nakazato, Yasushi; Shimada, Kazuyuki; Nakajima, Tomohiro, Image forming apparatus having a plurality of photoconductive elements, a plurality of optical writing devices and a stay.
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Takao Sameshima JP; Takashi Kimura JP, Image forming apparatus having a transfer material carrier unit or an intermediate transfer body unit.
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Nakazato,Yasushi; Shimada,Kazuyuki; Nakajima,Tomohiro, Image forming apparatus including image transfer belt conveying a recording medium upward.
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Nakazato, Yasushi; Shimada, Kazuyuki; Nakajima, Tomohiro, Image forming apparatus including structural members between consecutive optical writing devices.
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Nakazato, Yasushi; Shimada, Kazuyuki; Nakajima, Tomohiro, Image forming apparatus with beam slots.
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Nakazato,Yasushi; Shimada,Kazuyuki; Nakajima,Tomohiro, Image forming apparatus with horizontal structural members.
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Nakazato,Yasushi; Shimada,Kazuyuki; Nakajima,Tomohiro, Image forming apparatus with image forming cartridges arranged one above another.
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Yokoi, Katsuyuki, Image forming apparatus with vertically arranged process units.
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Tonges,Jeffrey L.; Boyatt, III,Richard G.; Carter,Daniel L.; Embry,Kerry Leland; Foster,Larry Steven; Portig,Harald; Rennick,David Erwin; Tosh,Darren Wayne; Triplett,Edward Lynn, Image forming device having a door assembly and method of use.
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Nakazato,Yasushi; Shimada,Kazuyuki; Nakajima,Tomohiro, Image forming method and apparatus including dismountable cartridges.
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Akira Ishikita JP; Yoshihiko Michitsuji JP, Image-forming apparatus having upright construction.
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Tomatsu, Yoshiya, Image-forming device having sheet metal frame fixed over resin frame with screws.
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Tomatsu, Yoshiya, Image-forming device having side walls.
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Askren,Benjamin Alan; Foster,Larry Steven; Triplett,Edward Lynn; Rennick,David Erwin, Movable subunit and two piece cartridge for use in an image forming device.
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Masashi Yamamoto JP; Toru Miyasaka JP; Masaru Nakano JP; Akira Shimada JP; Kenji Mori JP; Akira Sasaki JP; Kazuhiro Wakamatsu JP, Photoconductor unit and image forming system.
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Masashi Yamamoto JP; Toru Miyasaka JP; Masaru Nakano JP; Akira Shimada JP; Kenji Mori JP; Akira Sasaki JP; Kazuhiro Wakamatsu JP, Photoconductor unit and image forming system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Image forming apparatus having a plurality of vertically stacked image forming units 원문보기

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Image forming apparatus having a plurality of vertically stacked image forming units 원문보기

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이 특허를 인용한 특허 (39)

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