Cleaning arrangement in an electrophotographic copying machine

Details Cleaning arrangement in an electrophotographic copying machine Cleaning arrangement in an electrophotographic copying machine

1979-04-23

1981-02-17

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

15347, G03G 2100

Patent

active

042511550

ABSTRACT:
The cleaning arrangement of an electrophotographic copying machine scrapes off the machine's copying drum residual toner clinging to the surface of the copying drum subsequent to image transfer, and the residual toner is conveyed generally horizontally into a toner-collection compartment. The toner-collection compartment accommodates a generally rigid but collapsible fold-up cardboard toner-collection container which is thrown away after one use. The throw-away toner-collection container, when in collapsed condition, is flat so that a sizable number of such throw-away containers can be kept on hand without requiring an inconvenient amount of storage space. The bottom of the container projects forwards beyond the top, in the direction opposite to the generally horizontal direction of toner conveyance into the collection compartment, and is furthermore provided with an upright standing rim, the forwardly projecting bottom ledge and such rim preventing inadvertent spilling of toner from the collection container as the latter is in the process of being removed from the cleaning arrangement by the machine attendant, i.e., before the container can be tilted upwards to a position in which its inlet opening faces upwards.

REFERENCES:
patent: 3410060 (1968-11-01), Reilly et al.
patent: 3483679 (1969-12-01), Balbierer
patent: 4021113 (1977-05-01), Zindikus et al.
patent: 4140389 (1979-02-01), Franke et al.

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