Developing unit of electrophotographic apparatus
CA 1281364 C · Owner: Ikuta, Hirotoshi · Inventors: Ikuta, Hirotoshi; Houki, Yoji; Hino, Toshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A developing unit is provided for developing an electrostatic latent image formed on an image forming member, by electrostatically adsorbing powder developer onto the latent image. The developing unit comprises a screw (9) provided with paddles or grooves each having a helix angle with respect to an axis of the screw the, screw transferring and supplying the powder developer stored in a developer reservoir to the developing roller; a blade (6) for regulating a layer thickness of the powder developer to be transferred to the image forming member; and a flow regulating plate (7") for biasing a flow of the powder developer which has been, removed by the blade 16) and returning to the developer …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.