Toner cartridge

Claim 1

A toner dispensing device for a photocopying machine comprising: a container for containing toner material which is to be dispensed in a metered fashion, said container including an internal arcuate surface and subject to an oscillating cycle of a movement about its longitudinal axis; opening means in said container for allowing the egress of toner material therefrom in predetermined amount during the oscillation of the container; and baffle means located within the container and coupled to said opening means for metering out a predetermined amount of toner during a first stroke of the container in one direction and dispensing said predetermined amount of toner through the opening means during a second stroke of the container in a direction opposite that of the first stroke, said baffle means comprises a plurality of baffles including a first baffle coupled at one end to said internal surface and disposed at a low angle of repose with respect thereto, said first baffle defining an open ended chamber coupled to the opening means; second baffle disposed adjacent and overlapping said first baffle to define a second chamber, and wherein during oscillation of the container said second chamber serves to collect said predetermined amount of toner during said first stroke which is conveyed to said first chamber during said second stroke at which time it is dispensed through the opening means and a third baffle, and a third baffle having a substantially L-shaped cross section and being positioned adjacent said second baffle for collecting said predetermined amount of toner for dispensing and wherein said second baffle includes an aperture communicating between said second chamber and a space defined between said second and third baffles.