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KR940004394A - 전자사진장치 및 전자사진장치용 프로세스 유니트, 현상장치, 클리닝장치 - Google Patents

전자사진장치 및 전자사진장치용 프로세스 유니트, 현상장치, 클리닝장치 Download PDF

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KR940004394A
KR940004394A KR1019930017096A KR930017096A KR940004394A KR 940004394 A KR940004394 A KR 940004394A KR 1019930017096 A KR1019930017096 A KR 1019930017096A KR 930017096 A KR930017096 A KR 930017096A KR 940004394 A KR940004394 A KR 940004394A
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toner
developing roller
developing
casing
container
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KR1019930017096A
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KR0137120B1 (ko
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마사아끼 이시가와
미찌히사 이구찌
히로시 하시쓰메
데쓰야 나까무라
고오이찌로 사또
오까노요시아끼
히로다까 후꾸야마
사도시 가따가다
다까시 이시가와
세이지 아라이
지노부 사까이
따까히또 가바이
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사또 후미오
가부시끼가이샤 도시바
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Priority claimed from JP4257322A external-priority patent/JPH0683251A/ja
Priority claimed from JP4257321A external-priority patent/JP2916332B2/ja
Priority claimed from JP4231675A external-priority patent/JP3015601B2/ja
Priority claimed from JP25678092A external-priority patent/JP2963823B2/ja
Application filed by 사또 후미오, 가부시끼가이샤 도시바 filed Critical 사또 후미오
Publication of KR940004394A publication Critical patent/KR940004394A/ko
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Publication of KR0137120B1 publication Critical patent/KR0137120B1/ko

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/007—Arrangement or disposition of parts of the cleaning unit
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0815—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer handling means after the developing zone and before the supply, e.g. developer recovering roller
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0817—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the lateral sealing at both sides of the donor member with respect to the developer carrying direction
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G03G15/0881—Sealing of developer cartridges
    • G03G15/0882—Sealing of developer cartridges by a peelable sealing film
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
    • G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1648—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts using seals, e.g. to prevent scattering of toner

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)

Abstract

본 발명의 현상장치(13)는 현상롤러(31)의 양단과 장치케이싱(21)의 내벽의 현상롤러(31)의 양단부에 대향하는 위치와의 사이에 시일부재(60)를 고정 배치한다. 시일부재(60)는 현상롤러(31)와의 마찰에 의해서 토너의 대전극성과 동일극성으로 대전하는 재질로 된다.
이 현상장치(13)에 의하면 토너는 시일부재(60)에 의해서 저지되어 현상롤러(31)의 단부에 침입하지 않는다.

Description

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 현상장치 및 클리닝장치를 사용하여 되는 전자사진장치를 탑재한 팩시밀리장치의 전체구성을 일부 파단하여 나타낸 도면,
제2도는 제1도중의 프로세스유니트의 상세구성을 일부 파단하여 나타낸 도면,
제3A,3B도는 제1도중의 감광드럼의 상세구성을 나타낸 단면도,
제4도는 본 발명의 제1실시예에 있어서의 현상장치의 요부구성을 나타낸 사시도,
제5도는 본 발명의 제1실시예에 있어서의 현상장치의 요부구성을 나타낸 단면도.

Claims (15)

  1. 마찰에 의해서 소정극성으로 대전되기 쉬운 토너를 사용하여 감광체(11)의 표면에 형성된 정전잠상의 현상을 행하는 현상장치(13)에 있어서, 상기 토너규제부재 (32)에 대해서 상기 현상롤러(31)의 상류측이고, 상기 현상롤러(31)의 단부에 있어서의 외주면에 대향하는 내벽(21a)을 갖는 케이싱(21)과, 상기 현상롤러(31)의 단부에 있어서의 둘레면과 상기 케이스(21)의 내벽(21a)과의 사이에 설비되는 시일부재(60,61,62,63,64,65,66,67)를 갖는 현상장치.
  2. 제1항에 있어서, 상기 시일부재(60,62,63,64)는 상기 현상롤러(31)에 접촉되어 설비되고, 상기 현상롤러(31)와의 마찰에 의해서 상기 소정극성으로 대전하는 재질로 되는 현상장치.
  3. 제1항에 있어서, 상기 시일부재(61,65,66,67)는 표면에 모상체가 형성되어 있는 현상장치.
  4. 1항에 있어서, 상기 시일부재(60,61,62,63,64,65,66,67)가 상기 케이싱(21)에 접촉되어 설비되는 현상장치.
  5. 제1항에 있어서. 상기 케이싱(21)이 토너를 수용하기 위한 것인 현상장치.
  6. 현상롤러(31)와 토너 규제부재(32)로 토너를 소정극성으로 대전하고, 대전된 토너를 사용하여 감광체(11)의 표면에 형성된 정전잠상의 현상을 행하는 현상장치(13)에 있어서, 상기 토너규제부재(32)에 대해서 현상를러(31)의 상류측에 위치하고, 상기 현상롤러(31)의 단부에 있어서의 외주면에 대향하는 내벽(21a)을 갖는 케이싱(21)과, 상기 현상롤러(31)의 단부에 있어서의 둘레면과 상기 케이싱(21)의 내벽(21a)과의 사이에 설치되는 제1시일부재(60,61,62,62,65,66)와 상기 현상롤러 (31)의 양단부를 제외한 부분에 걸쳐서 연장되는 토너규제부재(32)를 지지하는 지지부재(36)와. 상기 지지부재(36)와 상기 현상롤러(31)와의 사이에 설비되는 제2시일부재(64,67)를 갖는 현상장치.
  7. 제6항에 있어서, 상기 제2시일부재(64,67)가 상기 토너 규제부재(32)가 연장되는 방향에 대해서 상기 현상롤러(31)의 하류측에 위치하는 현상장치.
  8. 제6항에 있어서, 상기 제2시일부재(64,67)가 상기 지지부재(36)에 부착되어 있는 현상장치.
  9. 제6항에 있어서, 제2시일부재(64, 67)가 상기 제1시일부재(60,61,62,63,65,66)와 별개체인 현상장치.
  10. 제6항에 있어서, 상기 제2시일부재(64,67)가 상기 제1시일부재(60,61,62,63,65,66)와 일체인 현상장치.
  11. 토너를 사용하여 감광체(11)의 표면에 형성된 정전잠상의 현상을 행하는 현상장치 (13)에 있어서, 상기 토너를 담지하고 반송하여 상기 감광체(11)의 표면에 접촉시키기 위한 현상롤러(31)와, 상기 현상롤러(31)에 맞닿아 배치되고, 상기 현상롤러 (31)에 담지되어 반송되는 토너의 양을 규제하는 동시에 토너를 마찰대전시키는 토너규제부재(13)와 상기 토너규제부재(12)를 상기 현상롤러(31)에 대해서 접근, 이간시키는 방향으로 직선이동만 가능하게 지지하기 위한 지지수단(70,71)을 포함하는 현상장치.
  12. 토너를 사용하여 감광체(11)의 표면에 형성된 정전잠상의 현상을 행하는 현상장치 (13)에 있어서, 상기 토너를 수용하는 케이싱(21)과 상기 토너를 소정의 토너담지가능 영역에 담지하고 반송하여 상기 감광체(11)의 표면에 접촉시키기 위한 현상롤러(31)와, 상기 현상롤러(31)의 상기 토너의 담지가능영역의 폭보다 짧고, 상기 케이싱(21)에 수용된 상기 토너를 담지하고, 반송하여 상기 현상롤러(31)로 공급하는 공급롤러(30)를 포함하는 현상장치.
  13. 토너를 사용하여 감광체(11)의 표면에 형성된 정전잠상의 현상을 행하는 현상장치 (13)에 있어서, 상기 토너를 수용하는 케이싱(21)과, 상기 토너를 소정의 담지가능영역에 담지하고 반송하여 상기 감광체(11)의 표면에 접촉시키기 위한 현상롤러 (31)와, 상기 현상롤러(31)의 상기 토너담지가능영역의 폭에 대등하는 길이를 갖고, 상기 감광체(11)의 표면에 접촉된 후에 상기 현상롤러(31)에 담지된 채로, 상기 케이싱(21)으로 되돌아온 토너를 받아들이는 토너받이부재(33)를 포함하는 현상장치.
  14. 감광체(11)의 표면에 부착된 토너를 제거하는 클리닝장치(14)에 있어서, 상기 감광체(11)의 표면에서 제거된 토너를 수용하기 위한 토너수용용기(40)와, 상기 토너수용용기(40)에 고정되고, 상기 감광체(11)의 표면에 맞닿아 설비된 토너긁어내리기 부재(39)와, 상기 토너수용용기(40)에 고정되고 상기 토너 긁어내리기 부재(39)에 의해서 상기 감광체(11)의 표면에서 긁어내린 토너를 받아 이 토너를 상기 토너수용용기(40)로 인도하는 토너 받이부재(43)와, 상기 토너수용용기(40)에 부착되고, 상기 토너수용용기(40)와 상기 토너 긁어내리기부재(39)와의 사이의 간극을 시일링하는 제1시일부재(80)와, 상기 토너수용용기(40)에 접착되고, 상기 토너수용용기 (40)와 상기 토너받이부재(4)와의 사이의 간극을 시일링하는 제2시일부재(81)를 포함하는 클리닝장치.
  15. 제14항에 있어서, 상기 제2시일부재(81)는 상기 감광체(11)의 표면에 접촉되는 제1부위와 토너수용기에 부착되는 제2부위를 갖고, 상기 제2부위에 있어서의 상기 토너수용용기(40)로의 부착길이의 쪽이 상기 제1부위에 있어서의 상기 토너수용용기 (40)로의 접착길이 보다도 긴 클리닝장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930017096A 1992-08-31 1993-08-31 전자 사진 장치 및 전자 사진 장치용 프로세스 유니트, 현상 장치, 클리닝 장치 KR0137120B1 (ko)

Applications Claiming Priority (8)

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JP4257322A JPH0683251A (ja) 1992-08-31 1992-08-31 電子写真装置
JP4257321A JP2916332B2 (ja) 1992-08-31 1992-08-31 現像装置
JP92-257322 1992-08-31
JP92-231675 1992-08-31
JP4231675A JP3015601B2 (ja) 1992-08-31 1992-08-31 電子写真装置の現像装置
JP92-257321 1992-08-31
JP25678092A JP2963823B2 (ja) 1992-09-25 1992-09-25 電子写真装置の現像装置
JP92-256780 1992-09-25

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MY109011A (en) 1996-11-30
US5488462A (en) 1996-01-30
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