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Electric tool with source of power independent of the line

  • US 4,779,687 A
  • Filed: 01/30/1987
  • Issued: 10/25/1988
  • Est. Priority Date: 03/26/1986
  • Status: Expired due to Term
First Claim
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1. An electric tool having a source of power that is independent of a utility power supply line, comprising:

  • a housing having a grippable surface which may be gripped by a user of the electric tool;

    a grip-shaped portion extending from a side of said housing which may also be gripped by the user;

    first battery holding means attached to an end of said housing, and second battery holding means attached to an end of said grip-shaped portion for holding two battery packs in said tool, said electric tool having a center of gravity located by a combination of said two battery holding means and said two battery packs so that said electric tool is substantially balanced in any operating position of said tool;

    said two battery packs increasing the duration of operation of said tool.

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