Cordless tool battery housing and charging system

  • US 5,391,972 A
  • Filed: 01/10/1992
  • Issued: 02/21/1995
  • Est. Priority Date: 03/11/1988
  • Status: Expired due to Term
First Claim
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1. A battery pack for, selectively, connection with a tool as a power source and with a charger for charging, comprising:

  • a battery pack housing having a nose portion including side walls and a terminal end transverse the side walls;

    a first battery cell having a longitudinal axis and a side wall and first and second opposite ends, said ends being of first and second electrical polarities respectively, housed in the nose portion and disposed so that the longitudinal axis extended passes through the terminal end, and so that the first end of the cell is adjacent the terminal end of the housing; and

    a terminal block comprising (1) a generally planer support adjacent to the end of the cell, generally perpendicular to the longitudinal axis of the cell, and between the housing terminal end and the first end of the cell, (2) a pair of spaced terminal pins extending perpendicularly from the support and extending away from the end of the cell, (3) a pair of upright spaced guide members carried by the support, extending oppositely to the terminal pins and extending into the battery pack housing for engaging and at least partially determining the position of the cell and (4) connecting means for electrically connecting the terminal block to the cell to form, when the battery pack is connected with a charger, a charging circuit.

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