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MISPLACED FILE INDICATING SYSTEM

  • US 3,701,987 A
  • Filed: 08/16/1971
  • Issued: 10/31/1972
  • Est. Priority Date: 08/16/1971
  • Status: Expired due to Term
First Claim
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1. A file apparatus for indicating the presence of an erroneously placed file comprising:

  • a. a file container including a file supporting member having an upper surface adapted to support the lower edge of a file, said file supporting member having a first edge extending along the length thereof;

    b. a first conductor extending along the length of said surface, c. a second conductor extending along said surface and electrically insulated from said first conductor, said second conductor being positioned on said surface so that it progressively becomes more remote from said first edge as it progresses along the length of said file container;

    d. an electrical power means;

    e. an electrically activated alarm means;

    f. lead means connecting said first conductor, said power means, said alarm means and said second conductor so that when a file having a conductive edge is placed in contact with said first and with said second conductor said alarm is activated.

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