Coating apparatus – With means to apply electrical and/or radiant energy to work... – With electromagnetic and/or electrostatic removal of...
Patent
1977-05-31
1978-06-06
Rimrodt, Louis K.
Coating apparatus
With means to apply electrical and/or radiant energy to work...
With electromagnetic and/or electrostatic removal of...
118655, G03G 1508
Patent
active
040929540
ABSTRACT:
A development system for developing latent magnetic images with magnetic toner at high speeds comprises a developer housing comprising an upper toner supply chamber communicating through an opening with a sealed developer zone. The developer zone is defined by a lower wall member of the developer housing, a lip-seal attached to the developer housing at the entrance to the developer zone, the lip-seal being adapted to simultaneously reduce the turbulance of air flowing into the developer zone and to prevent toner from leaving the developer at the entrance thereto; a magnetic salvage assembly comprising magnetic field producing means, the magnetic salvage assembly being located above the developer zone, being adapted to remove airborne magnetic toner emerging from the developer zone and to direct said removed toner back into said toner supply chamber; and, intermediate said magnetic salvage assembly and said opening through which said toner supply chamber communicates with said developer zone, baffle means for redirecting a portion of airborne toner emerging from said developer zone into said toner supply chamber. Low friction resilient sealing means is provided on the developer housing along portions thereof engageable with a magnetizable imaging member bearing a latent magnetic image to be developed. The low friction sealing means is provided between said lip-seal at the entrance to the developer zone and said baffle means.
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Beck John E.
Cannon George J.
Falik Andrew M.
Ralabate James J.
Rimrodt Louis K.
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