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TONER TRANSPORT AUGER

IP.com Disclosure Number: IPCOM000025542D
Original Publication Date: 1986-Feb-28
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 58K

Publishing Venue

Xerox Disclosure Journal

Abstract

In an electrophotographic printing machine, toner particles are dispensed into the developer housing as the toner particles are depleted therefrom during the process of developing the electrostatuz latent image recorded on the photoconductive member. The toner particles are discharged from a hopper to an auger which advances the toner to the dispense point. Hereinbefore, the auger was substantially rigid and comprised a helical member which rotated to advance the toner to the dispense point.

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XEROX DISCLOSURE JOURNAL

TONER TRANSPORT AUGER

Frank V. Onorati Daniel W. MacDonaId

Proposed Classification
W.S. CI. 1181637

Int. C1. BOSb 5/02

In an electrophotographic printing machine, toner particles are dispensed into the developer housing as the toner particles are depleted therefrom during the process of developing the electrostatuz latent image recorded on the photoconductive member. The toner particles are discharged from a hopper to an auger which advances the toner to the dispense point. Hereinbefore, the auger was substantially rigid and comprised a helical member which rotated to advance the toner to the dispense point. the toner particles frequently caked and did not dispense properly. It has been found that an open wire, flexible auger having a very slow rate of toner transport will not cake or clog. This 1s due to the natural erratic motion of the flexible wire auger. Thus, a flexible wire helically shaped auger transports the toner particles to the dispense point without caking of toner particles. Moreover, by adjusting the wire diameter and pitch, the transport rate of the auger matches the toner particle dispense rate from the hopper. This insures that there is not an overabundance of toner particles or too few toner particles being discharged into the auger for transportation to the dispense point.

In a system of this type,

Volume 11 Number 1 January/February 1986 7

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