Sorting apparatus

• US 4,741,524 A
• Filed: 03/18/1987
• Issued: 05/03/1988
• Est. Priority Date: 03/18/1986
• Status: Expired due to Fees

• Current Assignee: Xerox Corporation (Xerox Holdings Corp.)
• Original Assignee: Xerox Corporation (Xerox Holdings Corp.)
• Inventors: Bromage, David F.
• Primary Examiner(s): SCHACHER, RICHARD
• Application Number:
  US07/028,643
• Time in Patent Office: 412 Days
• Field of Search: 271/208, 271/193, 271/297, 271/303, 271/305, 271/293
• US Class Current: 271/208
• CPC Class Codes: B65H 2301/5133 Removing electrostatic charge
• CPC Class Codes: B65H 2408/111 with stationary location in space of the bins and a diverter per bin
• CPC Class Codes: B65H 29/52 Stationary guides or smoothers
• CPC Class Codes: B65H 39/11 in superposed carriers

Abstract

A sheet sorting apparatus for collating and distributing sheets received from a reproducing apparatus and adapted to reduce static charge from the sheets includes an array of sheet receiving bins defined by tray members. A transport means conveys sheets past each of the bins. Each bin has at its opening an electrically insulting diverter member that can be pivoted from an inoperative to an operative position to deflect and guide a sheet into the associated bin. Attached to the diverter member is an electrically conductive brush arranged to contact a sheet entering the bin and an electrically conductive track connecting the brush via conductive bearings to the grounded conductive frame of the sorter.

Claims

1. A sheet sorting apparatus comprising a plurality of sheet receiving bins, means for transporting a sheet past each of said bins, respective deflection means associated with each of said bins for selectively deflecting and guiding sheets from said transport means into the associated bin, and a respective static eliminator associated with each bin for reducing the static electricity of a sheet entering the bin, characterized in that each deflection means comprises an electrically insulating diverter member having said static eliminator attached thereto in the form of an electrically conductive brush arranged to contact a sheet entering a bin, and in that an electrically conductive track connects said brush to grounding (earthing) means.

2. A sheet sorting apparatus as claimed in claim 1, wherein the grounding (earthing) means comprises an electrically conductive frame connected to ground (earth) potential, within which frame said bins are supported.

3. A sheet sorting apparatus as claimed in claim 2, wherein each diverter member comprises a plurality of deflection fingers fixedly mounted on a shaft which is rotatably mounted in electrically conductive bearings in the frame, said electrically conductive track extending between said deflection fingers along said shaft and electrically contacting said frame via said electrically conductive bearings.

4. A sheet sorting apparatus as claimed in claim 1, wherein said conductive track is a conductive paint track on the surface of the diverter member.

5. A sheet sorting apparatus as claimed in claim 1, wherein the diverter member comprises a one-piece molded plastics member.

6. A sheet sorting apparatus as claimed in claim 5, wherein said brush on each diverter member depends through an aperture in the associated bin and extends into the adjacent bin so as contact a sheet entering said adjacent bin.

7. A sheet sorting apparatus as claimed in claim 5, wherein said brush on each diverter member is arranged to contact a sheet entering the associated bin.

8. A sheet sorting apparatus as claimed in claim 5, wherein each diverter has at least one group of several electrically conductive brushes attached thereto, each such group being in line with a feed roll for feeding sheets to the transport means.

9. A sheet sorting apparatus as claimed in claim 8, wherein said brushes comprise carbon fibre bristles.