Document handler

  • US 5,577,589 A
  • Filed: 09/30/1994
  • Issued: 11/26/1996
  • Est. Priority Date: 12/17/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A shutter arrangement for a document handling apparatus, comprising:

  • a channel;

    a shutter capable of obstructing the channel and pivotable about a pivot axis into or out of the plane of the document; and

    ,an elongate actuating member extending away from the pivot axis and connected to the shutter so that actuation of the member pivots the shutter so as to define a moving assembly, wherein the mass of said moving assembly is so distributed that the assembly does not exhibit any turning moment about said pivot axis on vibration of the document handling apparatus to which the pivot axis is connected.

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