Photocopying – Including fiber optics
Patent
1986-02-11
1988-10-25
Grimley, Arthur T.
Photocopying
Including fiber optics
118653, G03G 1508
Patent
active
047807415
ABSTRACT:
The invention relates to a method and apparatus for forming a toner layer adapted for electrophotographic developing apparatuses for developing using magnetic toner. Toner carried on a toner carrier and flowing toward the developing position is regulated in thickness by a toner layer thickness regulating member contacting the surface of the toner carrier. Lines of magnetic force are applied to the toner layer having a regulated thickness so as to stir the toner conveyed toward the developing position, thereby forming a uniform toner layer at the downstream side. The toner layer thickness regulating member can be a thin plate member of a nonmagnetic material having elasticity, or a rigid blade having a pivotal proximal end. The toner is stirred in a repulsive magnetic field forming region formed between a magnetic blade and the toner carrier.
REFERENCES:
patent: 3667728 (1972-06-01), Smith
patent: 4395485 (1983-07-01), Kashiwagi et al.
patent: 4406535 (1983-09-01), Sakamoto et al.
patent: 4430411 (1984-02-01), Tamura et al.
patent: 4525056 (1985-06-01), Itaya et al.
patent: 4564285 (1986-01-01), Yasuda et al.
patent: 4575220 (1986-03-01), Sakamoto et al.
patent: 4625676 (1986-12-01), Sakamoto et al.
The American Heritage Dictionary, Second College Edition, Houghton Mifflin Co., 1982, p. 705.
Shoji Susumu
Wada Takasumi
Grimley Arthur T.
Kyocera Corporation
Pendegrass J.
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