×

Electric storage battery construction and method of manufacture

  • US 7,601,461 B2
  • Filed: 09/17/2003
  • Issued: 10/13/2009
  • Est. Priority Date: 01/15/2002
  • Status: Active Grant
First Claim
Patent Images

1. An electric storage battery, comprising:

  • a case hermetically sealed by a first end cap and a second end cap, wherein the case excludes fill holes and wherein the first end cap excludes fill holes and the second end cap excludes fill holes;

    an electrically conductive terminal pin extending through the first end cap and electrically insulated from the case;

    an electrode assembly disposed within the case,the electrode assembly includes an electrode in electrical communication with the pin and an electrode electrically insulated from the pin,the electrode assembly includes a mandrel mounted on the pin such that the electrodes are wound around the pin and the mandrel, anda portion of the electrode that is in electrical communication with the pin is positioned between the mandrel and the pin; and

    a flexible conductive tab providing electrical communication between the second end cap and the electrode that is electrically insulated from the pin.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×