Cleaning device for copying machines

Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer

Patent

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Details

118652, 152565, G03G 2100

Patent

active

046105344

ABSTRACT:
A cleaning device for an electrophotographic copying machine collects residual toner from the photoconductive surface of a copying machine by using a rotary brush and deposits the collected toner in a specific part such as a filter via vacuum means, wherein it typically includes an air duct formed between a specific part and the rotary brush and a vacuum-activating fan mounted in a proper position inside the air duct.

REFERENCES:
patent: 3850521 (1974-11-01), Saupe

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