GB1524688A - Apparatus for developing electrostatic latent images - Google Patents

Apparatus for developing electrostatic latent images

Info

Publication number
GB1524688A
GB1524688A GB4267475A GB4267475A GB1524688A GB 1524688 A GB1524688 A GB 1524688A GB 4267475 A GB4267475 A GB 4267475A GB 4267475 A GB4267475 A GB 4267475A GB 1524688 A GB1524688 A GB 1524688A
Authority
GB
United Kingdom
Prior art keywords
wires
electrode
development
positive
chamber
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
Application number
GB4267475A
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
Priority claimed from US05/525,698 external-priority patent/US4033292A/en
Priority claimed from US05/525,697 external-priority patent/US3974796A/en
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of GB1524688A publication Critical patent/GB1524688A/en
Expired legal-status Critical Current

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
    • G03G15/06—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
    • G03G15/0803—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer in a powder cloud

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

1524688 Developing electrostatic latent images XEROX CORP 17 Oct 1975 [21 Nov 1974 (2)] 42674/75 Heading B2L Powder cloud development apparatus for latent electrostatic images, wherein a cloud of charged developer particles is introduced into the development chamber through a first part 138 in the chamber wall and air is introduced through a second port opposite the first. A baffle 130, extending between the walls is positioned above the ports. The apparatus is operable in either a positive or negative mode and includes a development electrode comprising a plurality of spaced parallel wires 162 but having an open section. The wires are driven by endless chains 164, 166. In the negative mode the electrode is driven past, and close to the plate 104, the wires being electrically biased by a commutatar strip 194. Brushes 190, 192 clean the wires. In the positive mode the electrode is stationary with the open section below the plate, and a positive potential applied thereto. Movable wiper blades 147, 149 clean the top of the baffle and the bottom of the chamber.
GB4267475A 1974-11-21 1975-10-17 Apparatus for developing electrostatic latent images Expired GB1524688A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/525,698 US4033292A (en) 1974-11-21 1974-11-21 Apparatus for developing latent electrostatic images
US05/525,697 US3974796A (en) 1974-11-21 1974-11-21 Dual mode apparatus for developing latent electrostatic images

Publications (1)

Publication Number Publication Date
GB1524688A true GB1524688A (en) 1978-09-13

Family

ID=27061868

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4267475A Expired GB1524688A (en) 1974-11-21 1975-10-17 Apparatus for developing electrostatic latent images

Country Status (1)

Country Link
GB (1) GB1524688A (en)

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed