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Electric storage battery construction and method of manufacture

  • US 7,488,553 B2
  • Filed: 01/15/2003
  • Issued: 02/10/2009
  • Est. Priority Date: 01/15/2002
  • Status: Active Grant
First Claim
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1. An electric storage battery, comprising:

  • a case defining an interior volume;

    a pin extending into an interior of a mandrel, the mandrel having a slot extending longitudinally along the mandrel and extending through a wall of the mandrel from an exterior of the mandrel to the interior of the mandrel;

    an electrode assembly in the interior volume, the electrode assembly including first and second opposite polarity electrode strips wound around the pin and the mandrel so as to form a spiral roll; and

    the pin extending from the interior volume through the case such that the pin is configured to function as a terminal for the battery.

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