US3766593A - Cleaning apparatus for insulating surfaces - Google Patents

Cleaning apparatus for insulating surfaces Download PDF

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Publication number
US3766593A
US3766593A US00159315A US3766593DA US3766593A US 3766593 A US3766593 A US 3766593A US 00159315 A US00159315 A US 00159315A US 3766593D A US3766593D A US 3766593DA US 3766593 A US3766593 A US 3766593A
Authority
US
United States
Prior art keywords
brush
brush member
cleaning
housing
plate member
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.)
Expired - Lifetime
Application number
US00159315A
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English (en)
Inventor
G Becker
J Santoro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of US3766593A publication Critical patent/US3766593A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G03G21/0035—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 using a brush; Details of cleaning brushes, e.g. fibre density

Definitions

  • ABSTRACT Apparatus for cleaning residual particulate material remaining after transfer of a developed image from an insulator.
  • the apparatus comprises rotating and stationary brushes for cleaning both surfaces of the insulator, both brushes enmeshing after the cleaning cycle to provide a brush self-cleaning action for the stationary brush.
  • the apparatus is designed such that air flow is at a maximum at the point where the particulate material would normally be centrifuged out of the brush housing, thereby minimizing leakage of the particulate material despite a gap between the insulator and the brush housing.
  • 3,236,165 which utilizes a reusable photoconductive surface formed in the shape of a rotating drum and a toner removal portion (purge system) designed to operate against such a rotating drum.
  • purge system toner removal portion
  • U. S. Pat. No. 2,832,977 discloses a device for cleaning powder particles remaining after transfer of a developed image from the surface of a flat plate. However, the problem of powder contamination still is present. In addition, no provision is made for cleaning the opposite side of the flat plate if required.
  • the present invention provides novel apparatus for removing residual particulate material after image transfer from the surface of an insulator.
  • the apparatus comprises a rotating cylindrical brush, a duct system and a blower which generates the required vacuum.
  • the brush housing is designed in such a way that air flow is at a maximum at the point where the powder, or toner, particles would normally be centrifuged out of the purge system, i.e., at the plate entrance to the cleaningapparatus. As a result of this, toner leakage is minimized despite a gap between the plate and brush housing.
  • a cover on top of the brush housing is cammed upwards as the leading edge of the plate enters and is pulled downwards as the trailing edge leaves.
  • the cover serves to hold a stationary brush that keeps the back of the plate from building up toner over repeated cycles and acts as a shield against toner contamination.
  • the toner being built up on the stationary brush is cleaned out by the rotating brush as both brushes enmesh after the plate leaves the brush housing. With this technique, self cleaning action without an additional cleaning mechanism is achieved.
  • FIG. 1 is a side elevation in section of the cleaning apparatus of the present invention before and after an insulating surface containing residual toner thereon is introduced into the cleaning apparatus;
  • FIG. 2 is a side elevation in section of the cleaning apparatus of the present invention with the insulating surface containing residual toner in the process of being cleaned by said apparatus.
  • FIG. 1 an insulating surface to be cleaned, such as xerographic plate 10, is shown being transported in the direction of arrow 16 to the novel cleaning apparatus of the present invention.
  • the cleaning apparatus comprises a rotatable cylindrical member or brush 12 having hair, fibers or the like on its outer surface, the brush optionally being retractable into and out of contact with plate 10.
  • the brush housing 14 comprises a cylindrically shaped portion and upper flat portions 30 which at least partially surround the brush I2 and preferably terminates a short distance below the plate.
  • a vacuum or other air flow line leads from the housing 14 to an externally positioned vacuum source or blower (not shown).
  • Drive means are operable to cause the brush l2 and the plate 10 to undergo relative motion, for example, driving plate 12 in the direction shown by arrow 16 and to rotate the brush in the direction shown by arrow 18.
  • Feed rolls 15 and 17 feed plate 10 in the direction of arrow 16.
  • a housing 20 Positioned above the back surface 11 of plate 10 is a housing 20 which includes a lid or cover portion-22.
  • a stationary brush 24 is affixed to support member 26.
  • a flicker bar 26 is mounted above the air outlet port 28.
  • the bristles of brush 12 extend beyond the flat portion 30 of the housing 14 to guarantee sufficient interference with surface 13 of xerographic plate 10.
  • the cover or lid 22 rests on the brush housing 14, thus creating a closed system.
  • the cover is mounted on two pins 32 at either side. Extension springs (not shown) together with pear shaped slots 34 allow the lid 22 to move upwards as the plate 10 enters the cleaning apparatus as shown in FIG. 2.
  • the cover is lifted by the forward motion of the plate 10 against two wedgeshaped earns 21 which are attached to the front of the cover or lid 22.
  • a cam 21 is mounted on either side at the front of the cover.
  • Brush 24 is mounted in the middle of the cover 22. It should be noted that FIG. 1 also shows how the cleaning apparatus would appear after plate 10 has exited therefrom and the cleaning cycle is completed.
  • stationary brush 24 made for example from nylon bristles, is deflected by the leading edge of plate 10. As the plate 10 passes between the lid 22 and the brush housing 14, the back 11 of the plate is wiped clean of any residual toner deposited therein by brush 24.
  • the present invention also minimizes toner leakage during the cleaning process.
  • the airinput will take place only between surface 13 of plate 10 and the top portion 30 of the brush housing 14.
  • This arrangement provides a predetermined air flow and represents a means of minimizing toner leakage.
  • Rotating brush 12 interferes with the flicker bar 26 thus creating an air flow barrier.
  • the vacuum at the bottom of the housing 14 still tends to draw air that wants to pass between the flicker bar 26 and the bristles of brush 12.
  • the multitude of bristles on the rotating brush 12 counteracts this tendency by pumping the air into the opposite direction.
  • the material of brush 12 may comprise the materials set forth in the aforementioned U. S. Pat. No.
  • Apparatus for cleaning opposite surfaces of a plate member comprising:
  • a first brush member adapted for rotation about the central axis thereof for cleaning a first surface of a plate member
  • Apparatus for cleaning opposite surfaces of an electrophotographic plate member comprising:
  • said biasing means biasing said second brush member and said electrophotographic plate member in a direction toward said first brush member

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cleaning In Electrography (AREA)
  • Cleaning In General (AREA)
US00159315A 1971-07-02 1971-07-02 Cleaning apparatus for insulating surfaces Expired - Lifetime US3766593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15931571A 1971-07-02 1971-07-02

Publications (1)

Publication Number Publication Date
US3766593A true US3766593A (en) 1973-10-23

Family

ID=22572041

Family Applications (1)

Application Number Title Priority Date Filing Date
US00159315A Expired - Lifetime US3766593A (en) 1971-07-02 1971-07-02 Cleaning apparatus for insulating surfaces

Country Status (14)

Country Link
US (1) US3766593A (fr)
AR (1) AR194956A1 (fr)
AU (1) AU460978B2 (fr)
BE (1) BE784898A (fr)
BR (1) BR7204223D0 (fr)
CA (1) CA990017A (fr)
CH (1) CH538310A (fr)
DE (1) DE2223265A1 (fr)
ES (1) ES404266A1 (fr)
FR (1) FR2145151A5 (fr)
GB (1) GB1399900A (fr)
IT (1) IT960138B (fr)
NL (1) NL7206564A (fr)
SE (1) SE374216B (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515466A (en) * 1982-05-27 1985-05-07 Xerox Corporation Sheet delivery station for copying apparatus
US4801971A (en) * 1987-09-08 1989-01-31 Xerox Corporation Liquid control assembly
US5233399A (en) * 1990-03-19 1993-08-03 Fuji Xerox Co., Ltd. Cleaning unit for image forming apparatus
US5291628A (en) * 1991-12-12 1994-03-08 Xerox Corporation High velocity air cleaner
US5473414A (en) * 1994-12-19 1995-12-05 Xerox Corporation Cleaning commutator brushes for an electroded donor roll
EP0639804A3 (fr) * 1993-08-20 1996-06-26 Xerox Corp Appareil pour enlever le matériau de développement résiduel d'une surface d'une imprimante.
US5745945A (en) * 1996-06-28 1998-05-05 International Business Machines Corporation Brush conditioner for a semiconductor cleaning brush
US5878316A (en) * 1996-11-25 1999-03-02 Eastman Kodak Company Cleaning mechanism for a reproduction apparatus
US20090113656A1 (en) * 2006-05-05 2009-05-07 Lam Research Corporation Apparatus for isolated bevel edge clean and method for using the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113275279B (zh) * 2021-06-29 2024-02-23 江苏量为石科技股份有限公司 一种电网工程用输电线路绝缘子清扫机器人

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US568958A (en) * 1896-10-06 Street-sweeper
US1483966A (en) * 1917-03-27 1924-02-19 United Shoe Machinery Corp Apparatus for removing dust
US2015583A (en) * 1932-10-24 1935-09-24 Bartsch Alfred Cleaning machine
DE629418C (de) * 1932-10-25 1936-04-30 Alfred Bartsch Abstaubvorrichtung
US2358334A (en) * 1942-06-02 1944-09-19 United Shoe Machinery Corp Machine for treating sheet material
FR1134990A (fr) * 1955-10-24 1957-04-23 Machine à laver les planches, claies et autres surfaces planes

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US568958A (en) * 1896-10-06 Street-sweeper
US1483966A (en) * 1917-03-27 1924-02-19 United Shoe Machinery Corp Apparatus for removing dust
US2015583A (en) * 1932-10-24 1935-09-24 Bartsch Alfred Cleaning machine
DE629418C (de) * 1932-10-25 1936-04-30 Alfred Bartsch Abstaubvorrichtung
US2358334A (en) * 1942-06-02 1944-09-19 United Shoe Machinery Corp Machine for treating sheet material
FR1134990A (fr) * 1955-10-24 1957-04-23 Machine à laver les planches, claies et autres surfaces planes

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515466A (en) * 1982-05-27 1985-05-07 Xerox Corporation Sheet delivery station for copying apparatus
US4801971A (en) * 1987-09-08 1989-01-31 Xerox Corporation Liquid control assembly
US5233399A (en) * 1990-03-19 1993-08-03 Fuji Xerox Co., Ltd. Cleaning unit for image forming apparatus
US5291628A (en) * 1991-12-12 1994-03-08 Xerox Corporation High velocity air cleaner
EP0639804A3 (fr) * 1993-08-20 1996-06-26 Xerox Corp Appareil pour enlever le matériau de développement résiduel d'une surface d'une imprimante.
US5473414A (en) * 1994-12-19 1995-12-05 Xerox Corporation Cleaning commutator brushes for an electroded donor roll
US5745945A (en) * 1996-06-28 1998-05-05 International Business Machines Corporation Brush conditioner for a semiconductor cleaning brush
US5878316A (en) * 1996-11-25 1999-03-02 Eastman Kodak Company Cleaning mechanism for a reproduction apparatus
US20090113656A1 (en) * 2006-05-05 2009-05-07 Lam Research Corporation Apparatus for isolated bevel edge clean and method for using the same
US8127395B2 (en) * 2006-05-05 2012-03-06 Lam Research Corporation Apparatus for isolated bevel edge clean and method for using the same

Also Published As

Publication number Publication date
FR2145151A5 (fr) 1973-02-16
AU460978B2 (en) 1975-05-15
AU4408772A (en) 1974-01-03
BE784898A (fr) 1972-12-14
ES404266A1 (es) 1975-06-01
NL7206564A (fr) 1973-01-04
DE2223265A1 (de) 1973-01-11
GB1399900A (en) 1975-07-02
BR7204223D0 (pt) 1973-06-05
SE374216B (fr) 1975-02-24
AR194956A1 (es) 1973-08-30
CA990017A (en) 1976-06-01
CH538310A (de) 1973-06-30
IT960138B (it) 1973-11-20

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