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Rechargeable flashlight with integral variable rate battery charger for automotive use

  • US 4,327,401 A
  • Filed: 03/10/1980
  • Issued: 04/27/1982
  • Est. Priority Date: 08/10/1978
  • Status: Expired due to Term
First Claim
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1. In a rechargeable flashlight, a switching device comprising:

  • (a) a housing;

    (b) a sliding member in said housing, said sliding member being electrically conducting;

    (c) said sliding member being movable between a first and second position;

    (d) means for electrically connecting said sliding member into an electrical lamp circuit;

    (e) a rechargeable battery in said housing, said rechargeable battery having two terminals, one of said terminals being electrically connected into said electrical lamp circuit;

    (f) an electrically-conducting actuating member fixed in said housing;

    (g) said actuation member being electrically insulated from said sliding member;

    (h) means for electrically connecting said actuating member to a battery-charging means;

    (i) a spring having two ends, said spring positioned between said actuation member and said rechargeable battery so as to be moved from a first position to a second position by said electrically conducting actuating member when said sliding member is moved from said first position to said second position;

    (j) one end of said spring is electrically connected to the other terminal of said rechargeable battery;

    (k) the other end of said spring is biased into electrical contact with said sliding member when said sliding member is in said first position; and

    (l) said spring being lifted from electrical contact with said sliding member by mechanical and electrical contact with said actuating member when said sliding member is in said second position.

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