Developing device for copier with sealing means

Details Developing device for copier with sealing means Developing device for copier with sealing means

1988-08-17

1991-03-05

Moses, R. L.

Photocopying

Contact printing

Light boxes

355253, 118656, G03G 1506

Patent

active

049981404

ABSTRACT:
A developing device for an electrophotographic copier has a supply tank above a developing tank with an opening therebetween. A sealing member is removably attached to the rims of this opening before the developing device is ready to be used. An end part of this sealing member is attached to a take-up shaft and the sealing member is pulled or peeled off to be wound around the take-up shaft when the developing device is set in the copier and the shaft becomes connected to a motor in the copier.

REFERENCES:
patent: 4003064 (1977-01-01), Mason
patent: 4237943 (1979-04-01), Ermel et al.
patent: 4492321 (1985-01-01), Zoltner
patent: 4614286 (1983-06-01), Yamaguchi et al.
patent: 4732277 (1987-01-01), Smith
patent: 4799608 (1989-01-01), Oka

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