Powdered toner developing system in xerographic reproducing appa

Details Powdered toner developing system in xerographic reproducing appa Powdered toner developing system in xerographic reproducing appa

1976-02-27

1977-05-17

Tollberg, Stanley H.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

259 1R, 259 47, 222DIG.001, G03G 1308, B01F 1100

Patent

active

040235270

ABSTRACT:
In xerographic reproducing apparatus using dry powdered toner, means is provided for applying a series of periodic mechanical tapping impulses to the toner dispenser to promote uniformity of toner dispensing and obtain clearer, sharper copies. The tapping means comprises a base affixed to the toner dispenser, a movable hammer for striking the base and electromagnetic means for periodically actuating the hammer to strike the base and thereby generate periodic mechanical tapping impulses which are conductively transmitted to the toner dispenser.

REFERENCES:
patent: 1932520 (1933-10-01), Horsch
patent: 1986038 (1935-01-01), Zielke
patent: 2458313 (1949-01-01), Stevens
patent: 3013703 (1961-12-01), Hunt
patent: 3133833 (1964-05-01), Giamo, Jr.
patent: 3300101 (1967-01-01), Wagner

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