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Battery jumper cable

  • US 5,230,637 A
  • Filed: 09/09/1991
  • Issued: 07/27/1993
  • Est. Priority Date: 09/09/1991
  • Status: Expired due to Fees
First Claim
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1. Apparatus for jumping a first battery to a second battery comprising:

  • a first and second electrical jumper cable secured together throughout a substantial length thereof;

    a manually operable clamp secured to each end of each jumper cable to connect the jumper cable ends to battery terminals;

    switch means having contacts interposed in a circuit path of the second jumper cable having normally open contacts to open the electrical circuit of the second jumper cable thereby providing a first and second section thereof;

    first serially connected electrical diode and indicator means connected to the first cable and the first portion of the second cable;

    second serially connected electrical diode and indicator means connected to the first cable and the second portion of the second cable;

    each of said diodes being connected to conduct electrical current in the same direction relative to their respective connections between the first and second cables;

    manually operable means to control the said switch means;

    spring means connected to urge the manually operable means to a first position whereby the switch means contacts are in their normally open position; and

    means whereby the manually operable means may be manually moved to a second position to close the contacts of the switch means to close the circuit path of the second jumper cable.

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