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Method and apparatus for securing attache cases

  • US 4,267,553 A
  • Filed: 01/05/1979
  • Issued: 05/12/1981
  • Est. Priority Date: 07/25/1977
  • Status: Expired due to Term
First Claim
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1. A method for securing a transport container such as an attache case against unauthorized handling comprising the steps of providing an alarm and at least one sensor capable of sensing at least two conditions relative to the forces on said attache case, each of said at least two conditions being selectable as a safety state, placing said attache case under a selected force, and selecting one of said at least two conditions to correspond to said selected force as the safety state, the other or others of said sensed conditions corresponding to a force or forces on said case deviating from said selected safety state condition by a predetermined value and connecting said at least one sensor to said alarm so that said alarm is inactive during the selected safety state condition and activated on the occurence of the other or others of said sensed conditions.

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