Cleaning methods and apparatus for a photocopying device

Details Cleaning methods and apparatus for a photocopying device Cleaning methods and apparatus for a photocopying device

1977-10-26

1979-11-13

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

152565, 134 6, G03G 2100, B08B 700

Patent

active

041741722

ABSTRACT:
A method and apparatus for cleaning a surface. The surface is moved in one direction relative to a cleaning blade in engagement therewith. Rest periods are provided of no relative motion wherein the blade is moved out of contact with the surface at a first position during the period of no relative motion. The blade is returned to the surface at a second position downstream of the first position. In accordance with a different embodiment the blade is removed from the surface after the surface has stopped, and is returned to the surface before relative motion commences.

REFERENCES:
patent: 3759220 (1973-09-01), Saito et al.
patent: 3843407 (1974-10-01), Thorp
patent: 3848992 (1974-11-01), Smith
patent: 3859691 (1975-01-01), Katayama et al.

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