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Self-contained, clip-on engine operating time log

  • US 5,337,003 A
  • Filed: 12/28/1992
  • Issued: 08/09/1994
  • Est. Priority Date: 12/28/1992
  • Status: Expired due to Fees
First Claim
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1. An engine operating time log for mounting onto an ignition wire of an engine having an electrical system, comprising:

  • a case made of a heat resistant material, so that said case can be conveniently located adjacent said engine, said case having an opening, said opening having a concentric tube extending inwardly into said case,combination of sensing and mounting means extending rigidly from said case for mounting said case directly onto said ignition wire of said engine, said combination of sensing and mounting means being installable on said ignition wire by hand and without the need for tools, said combination member having an integral shaft extending into said opening of said case for rigidly mounting said combination member thereto, andcircuit means disposed within said case for monitoring an accumulated operating time of said engine, said circuit means being electrically connected to said combination of sensing and mounting means for sensing an electrical current in said ignition wire said circuit means including an electronic digital display visible through said case for displaying said accumulated operating time.

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