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Battery and switch to be mounted on vehicles

  • US 4,769,295 A
  • Filed: 09/11/1987
  • Issued: 09/06/1988
  • Est. Priority Date: 06/20/1985
  • Status: Expired due to Term
First Claim
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1. An electromagnetic switch and battery comprising:

  • a battery for mounting on a vehicle, said battery having a battery casing formed with a recess means therein for mounting said electromagnetic switch, said battery having two terminals;

    said recess means being formed in an upper portion of the battery casing of said battery, between said two terminals of said battery;

    a partition interposed between said electromagnetic switch and said two terminals, said partition being integral with said battery casing;

    switch casing means for holding said electromagnetic switch, said switch casing means being formed with a first and a second end;

    supporting means projecting from said first end of said switch casing means, said supporting means being electrically insulated from a negative terminal of said battery;

    a magnetizable coil mounted in said switch casing means;

    plunger means slidably fitted in said magnetizable coil;

    moving contact means movable with a sliding movement of said plunger means such that said magnetizable coil is magnetized to attract said plunger means when a starter switch is turned on after a main power source circuit of a vehicle has been turned on by a key switch; and

    first and second fixed contact members, said first fixed contact member connected electrically with said battery, said first fixed contact member having a first connecting terminal at a first end thereof which acts as a supporting member projecting to the outside of the second end of said switch casing means, said first connecting terminal being directly connected electrically and mechanically to the positive terminal of said battery, said first fixed contact member also having a second connecting terminal at a middle portion thereof, said second connecting terminal branching from said middle portion and being connected electrically with a load circuit of said vehicle, said first fixed contact member having a fixed contact at a second end thereof, and wherein said second fixed contact member is connected electrically with a starter motor circuit and is equipped at one end thereof with a third connecting terminal projecting to the outside of said switch casing means and connecting electrically with said starter motor circuit, and a second end of said second fixed contact member has a fixed contact wherein said fixed contact of said second fixed contact member and said fixed contact at said second end of said first contact member are rendered electrically conductive to start a starter motor by said movable contact member which moves in response to movement of said plunger means.

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