Electrostatic reproduction machine with improved toner dispensin

Details Electrostatic reproduction machine with improved toner dispensin Electrostatic reproduction machine with improved toner dispensin

1974-10-15

1976-04-20

Moses, R. L.

Photocopying

Including fiber optics

118637, 222214, G03G 1500

Patent

active

039515397

ABSTRACT:
Toner within a cartridge is alternately aerated, and expelled from the cartridge. The toner cartridge is connected to a dispensing manifold located within and extending across a developer of an electrostatic reproduction machine. To dispense toner from the cartridge, the cartridge is pressurized so as to expel toner through a plurality of orifices in the manifold without aerating the toner as it is being expelled. After a quantity of toner has been dispensed, the toner within the cartridge is aerated, after which toner is once again expelled through the orifices. In the embodiment illustrated herein, a resilient toner cartridge is used, the cartridge being mounted at a remote location and connected to the manifold by a tube. A mechanism periodically deforms the cartridge to expel toner through orifices in the manifold. When the cartridge is allowed to return to its undeformed shape, air enters the cartridge to aerate the toner therein to prevent the bridging and caking of the toner.

REFERENCES:
patent: 2349875 (1944-05-01), Mandlak
patent: 3223289 (1965-12-01), Bouet
patent: 3273485 (1966-09-01), Limberger
patent: 3375806 (1968-04-01), Nost
patent: 3453045 (1969-07-01), Fantuzzo
patent: 3538887 (1970-11-01), Rueckwald
patent: 3695224 (1972-10-01), Royka
patent: 3733127 (1973-05-01), Perlis et al.
patent: 3739800 (1973-06-01), Aasen et al.
patent: 3752576 (1973-08-01), Gerbasi
patent: 3767446 (1973-10-01), Weiler

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