Charging device module for use with print cartridge

  • US 5,890,035 A
  • Filed: 11/14/1997
  • Issued: 03/30/1999
  • Est. Priority Date: 11/14/1997
  • Status: Expired due to Term
First Claim
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1. A charging module for applying a uniform electrostatic charge to a charge retentive surface, said charging module operably electrically connectable to a power supply for supplying an electrical bias to said charging module, said charging module mountable into a process cartridge, the process cartridge including a first cartridge mounting surface and a second cartridge mounting surface spaced from said first cartridge mounting surface for cooperation with the charging module, said module comprising:

  • a housing including a first housing mounting feature and a second housing mounting feature spaced from said first housing mounting feature, said first housing mounting feature for cooperation with the first cartridge mounting surface and said second housing mounting feature for cooperation with the second cartridge mounting surface; and

    an electrode mounted to said housing and positioned adjacent said surface in a non-contact relationship therewith, said housing mounting features adapted to be cooperable with the cartridge mounting surfaces to secure the placement of the charging module into the cartridge without the need for any installation tools, said second housing mounting feature being engagable with the second cartridge mounting surface after said first housing mounting feature is engaged with the first cartridge mounting surface by pivoting said housing with respect to the process cartridge.

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