Electrostatic latent image developing device
AssigneeMinolta Camera Kabushiki Kaisha
InventorsAkihito Ikegawa, Hiroshi Mizuno, Hiroshi Murasaki, Kouichi Etou
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Abstract
An electrostatic latent image developing device including a developing sleeve which is so provided as to confront a support member for supporting an electrostatic latent image, a toner reservoir for accommodating toner, which is formed, at its one portion, with an opening and a rotatable toner supply roller which is provided in the opening so as to confront the developing sleeve. The toner supply roller is formed, on its outer peripheral surface, with a plurality of first minute recesses and is further formed, in the first minute recesses, with a plurality of second minute recesses finer the first minute recesses.
Claims9
A developing device comprising:
- a developing sleeve which is so provided as to confront a support member for supporting an electrostatic latent image;
- a toner reservoir for accommodating toner, which is formed, at its one portion, with an opening;
- and
- a rotatable toner supply roller which is provided in said opening so as to confront said developing sleeve;
- said toner supply roller being formed, on its outer peripheral surface, with a plurality of first minute recesses;
- said toner supply roller being formed, in said first minute recesses, with a plurality of second minute recesses finer than said first minute recesses.
A developing device comprising:
- a developing sleeve which is so provided as to confront a support member for supporting an electrostatic latent image;
- a magnetic roller which is provided in said developing sleeve;
- a toner reservoir for accommodating toner, which is formed, at its one portion, with an opening;
- and
- a rotatable toner supply roller which is provided in said opening so as to be brought into contact with a magnetic brush formed on said developing sleeve;
- said toner supply roller being formed, on its outer peripheral surface, with a plurality of first minute recesses;
- said toner supply roller being formed, in said minute recesses, with a plurality of second minute recesses finer than said first minute recesses.
Dependencies are inferred from the claim text.