CA3142869C - DRUM UNIT, DRIVE TRANSMISSION UNIT, CARTRIDGE AND ELECTRONIC PHOTOGRAPHIC IMAGE FORMING DEVICE - Google Patents

DRUM UNIT, DRIVE TRANSMISSION UNIT, CARTRIDGE AND ELECTRONIC PHOTOGRAPHIC IMAGE FORMING DEVICE

Info

Publication number
CA3142869C
CA3142869C CA3142869A CA3142869A CA3142869C CA 3142869 C CA3142869 C CA 3142869C CA 3142869 A CA3142869 A CA 3142869A CA 3142869 A CA3142869 A CA 3142869A CA 3142869 C CA3142869 C CA 3142869C
Authority
CA
Canada
Prior art keywords
coupling
coupling portion
drive transmission
drum
unit according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA3142869A
Other languages
English (en)
French (fr)
Other versions
CA3142869A1 (en
Inventor
Akihiro Fujiwara
Ryuta Murakami
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CA3142869A1 publication Critical patent/CA3142869A1/en
Application granted granted Critical
Publication of CA3142869C publication Critical patent/CA3142869C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
    • 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
    • G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
    • G03G15/757—Drive mechanisms for photosensitive medium, e.g. gears
    • 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
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
    • G03G21/1647—Mechanical connection means
    • 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
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
    • G03G21/1671—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the photosensitive element
    • 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
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, 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
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1839—Means for handling the process cartridge in the apparatus body
    • G03G21/1842—Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks
    • G03G21/1853—Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks the process cartridge being mounted perpendicular to the axis of the photosensitive member
    • 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
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1839—Means for handling the process cartridge in the apparatus body
    • G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
    • 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
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1839—Means for handling the process cartridge in the apparatus body
    • G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
    • G03G21/186—Axial couplings
    • 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
    • G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • G03G2221/1657—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts transmitting mechanical drive power

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
CA3142869A 2019-06-12 2020-06-09 DRUM UNIT, DRIVE TRANSMISSION UNIT, CARTRIDGE AND ELECTRONIC PHOTOGRAPHIC IMAGE FORMING DEVICE Active CA3142869C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019109671 2019-06-12
JP2019-109671 2019-06-12
PCT/JP2020/023319 WO2020251052A1 (ja) 2019-06-12 2020-06-09 ドラムユニット、駆動伝達ユニット、カートリッジおよび電子写真画像形成装置

Publications (2)

Publication Number Publication Date
CA3142869A1 CA3142869A1 (en) 2020-12-17
CA3142869C true CA3142869C (en) 2024-07-02

Family

ID=73780961

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3142869A Active CA3142869C (en) 2019-06-12 2020-06-09 DRUM UNIT, DRIVE TRANSMISSION UNIT, CARTRIDGE AND ELECTRONIC PHOTOGRAPHIC IMAGE FORMING DEVICE

Country Status (17)

Country Link
US (3) US12025941B2 (enExample)
EP (1) EP3985443A4 (enExample)
JP (2) JP7614746B2 (enExample)
KR (3) KR102749362B1 (enExample)
CN (2) CN119937266A (enExample)
AU (3) AU2020290276B2 (enExample)
BR (1) BR112021023674A2 (enExample)
CA (1) CA3142869C (enExample)
CL (1) CL2021003282A1 (enExample)
CO (1) CO2021017384A2 (enExample)
MA (1) MA56216A (enExample)
MX (1) MX2021015203A (enExample)
MY (1) MY210326A (enExample)
PH (1) PH12021553087A1 (enExample)
SG (1) SG11202113334PA (enExample)
TW (2) TWI826294B (enExample)
WO (1) WO2020251052A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020189797A1 (ja) 2019-03-18 2020-09-24 キヤノン株式会社 電子写真画像形成装置、カートリッジ及びドラムユニット
KR102749362B1 (ko) * 2019-06-12 2024-12-31 캐논 가부시끼가이샤 드럼 유닛, 구동 전달 유닛, 카트리지 및 전자사진 화상 형성 장치
JP7822723B2 (ja) 2020-08-31 2026-03-03 キヤノン株式会社 感光体ユニット、カートリッジ、電子写真画像形成装置
JP2024002824A (ja) 2022-06-24 2024-01-11 キヤノン株式会社 カートリッジ及び画像形成装置
JP2025067667A (ja) 2023-10-13 2025-04-24 キヤノン株式会社 現像剤収容ユニット及びプロセスカートリッジ

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Also Published As

Publication number Publication date
SG11202113334PA (en) 2021-12-30
AU2023266346B2 (en) 2025-09-11
KR20250004944A (ko) 2025-01-08
MX2021015203A (es) 2022-01-18
EP3985443A1 (en) 2022-04-20
CA3142869A1 (en) 2020-12-17
JP2025038237A (ja) 2025-03-18
KR102749362B1 (ko) 2024-12-31
JP7614746B2 (ja) 2025-01-16
BR112021023674A2 (pt) 2022-01-04
KR20250154544A (ko) 2025-10-28
AU2023266346A1 (en) 2023-12-07
US20240045364A1 (en) 2024-02-08
PH12021553087A1 (en) 2023-08-14
KR102875460B1 (ko) 2025-10-27
TWI800736B (zh) 2023-05-01
TW202333004A (zh) 2023-08-16
AU2025220871A1 (en) 2025-09-11
TW202105093A (zh) 2021-02-01
AU2020290276B2 (en) 2023-11-30
US12287600B2 (en) 2025-04-29
AU2020290276A1 (en) 2022-01-20
CN113966491B (zh) 2025-03-14
MA56216A (fr) 2022-04-20
WO2020251052A1 (ja) 2020-12-17
US20220082984A1 (en) 2022-03-17
MY210326A (en) 2025-09-11
CL2021003282A1 (es) 2022-09-09
KR20220018596A (ko) 2022-02-15
JP7841070B2 (ja) 2026-04-06
JP2020204767A (ja) 2020-12-24
US20250164918A1 (en) 2025-05-22
CN113966491A (zh) 2022-01-21
CN119937266A (zh) 2025-05-06
CO2021017384A2 (es) 2022-01-17
EP3985443A4 (en) 2023-07-19
US12025941B2 (en) 2024-07-02
TWI826294B (zh) 2023-12-11

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