Development station engageable with toner monitor

Details Development station engageable with toner monitor Development station engageable with toner monitor

1989-05-09

1990-08-14

Grimley, A. T.

Photocopying

Contact printing

Light boxes

118691, 2063161, 355245, G03G 1506

Patent

active

049493990

ABSTRACT:
A replaceable development station usable for developing electrostatic images in apparatus having a toner monitor and a device for slidably receiving the development station includes a chamber containing a supply of a development mixture of toner and carrier particles. A recess is defined in one wall of the chamber for receiving the toner monitor, the recess being defined by a thinned region of the wall such that the toner monitor is separated from the developer mixture by a wall region substantially thinner than the general wall thickness. A device is provided for camming the development station tightly against the toner monitor and clamping it there such that the resilient force needed to maintain contact is minimized.

REFERENCES:
patent: 4108545 (1978-08-01), Eckert
patent: 4610532 (1986-09-01), DeSchamphelaere
patent: 4620783 (1986-11-01), Tanaka
patent: 4692018 (1987-09-01), Tamura
patent: 4758861 (1988-07-01), Nakamaru

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