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Combination battery charger and power source for electrically powered devices

  • US 5,780,993 A
  • Filed: 11/17/1995
  • Issued: 07/14/1998
  • Est. Priority Date: 11/17/1995
  • Status: Expired due to Fees
First Claim
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1. A combination charger and power source for an electrically powered device having a removable battery pack that includes one or more batteries enclosed within a case having a mechanical connector for removably mechanically attaching the battery pack to the device, and an electrical connector for electrically connecting the batteries to the device when the battery pack is mechanically attached to the device, comprising:

  • a case having a mechanical connector adapted to engage the mechanical connector of the battery pack to attach the battery pack to the charger;

    an electrical connector adapted to make an electrical connection to the battery pack when the battery pack is attached to the charger;

    a recess in the case;

    an integral plug in the recess and pivotally attached to the case for movement between an extended position permitting the charger to be plugged directly into a conventional AC connector, and a recessed position substantially within the recess; and

    a connector for supplying power from a battery attached to the charger directly to the device, for supplying power from the power source to the device when no battery is attached, or the battery has insufficient charge to operate the device.

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