Endless Belt Sifters Patents (Class 209/307)
With agitators (Class 209/308)
  • Toner reclaiming system
    Patent number: 4046682
    Abstract: Toner particles which are removed from a photoconductive drum are trapped by a moving filter at a toner collection station and on movement of the filter to a toner discharge station, the toner is discharged into a toner reservoir. The filter may be of such a size that only the toner particles which enhance image development will be trapped thereon while the smaller toner particles will pass therethrough.
    Type: Grant
    Filed: January 17, 1973
    Date of Patent: September 6, 1977
    Assignee: Xerox Corporation
    Inventor: Frederick W. Hudson