Loosely mounted outer sleeve member with biasing means

Details Loosely mounted outer sleeve member with biasing means Loosely mounted outer sleeve member with biasing means

1987-10-07

1988-12-20

Beck, Shrive

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

118612, 118257, 355 3DD, 354318, G03G 1508

Patent

active

047918829

ABSTRACT:
A developing device adjoins a rotatably arranged electrostatic latent image support member, and is internally provided with a rotatably disposed developing roller confronting the electrostatic latent image support member, a cylindrically formed flexible filmy or outer sleeve member having a peripheral length longer than that of the developing roller and loosely mounted around it, a couple of first members for biasing the filmy member against the developing roller to form a slack of the filmy member at a location confronting the electrostatic latent image support member, and a second member for forming a toner layer on entire external surface of the filmy member.

REFERENCES:
patent: 2761365 (1956-09-01), Bridgewater
patent: 3667368 (1972-06-01), Cronig
patent: 4100884 (1978-07-01), Mochizuki et al.
patent: 4149796 (1979-04-01), Adachi et al.
patent: 4399212 (1983-08-01), Boie et al.

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