Electricity: battery or capacitor charging or discharging – Cell or battery charger structure
Reexamination Certificate
2011-08-02
2011-08-02
Tso, Edward (Department: 2858)
Electricity: battery or capacitor charging or discharging
Cell or battery charger structure
C320S136000
Reexamination Certificate
active
07990102
ABSTRACT:
A cordless power supply comprising a battery, a power conversion unit, a first standard coupling half permanently affixed to the power conversion unit and a second standard coupling half which reciprocally mates with the first standard coupling half is disclosed and claimed. The second standard coupling half includes a first interengaging half and a second interengaging half. The first interengaging half being standardly engageable with the first standard coupling half permanently affixed to the power conversion unit. The second interengaging half is interengageable with a specific battery. The battery may be a dual use cordless tool battery or an original equipment battery. Alternatively, a cordless power supply comprising an interchangeable adapter may be mounted on the power conversion unit for interconnection with a plurality of batteries. Alternatively, a cordless power supply comprising an adapter integral with the power conversion unit may be used with a specific battery type.
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