Portable power tool and power supply combination

Details Portable power tool and power supply combination Portable power tool and power supply combination

2006-03-21

2006-03-21

Tso, Edward H. (Department: 2838)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

For handheld device

Reexamination Certificate

active

07015675

ABSTRACT:
A portable power tool and power supply combination includes an electrically powered drill assembly having a first power port electrically coupled thereto. A housing has a bottom wall, a top wall and a peripheral wall. The top wall has a well extending therein and including first electrical contacts mounted therein. A rechargeable battery is provided having second electrical contacts electrically coupled thereto. The second electrical contacts are removably positionable in the well aid positioned for electrically engaging the first electrical contacts. A second power port is mounted on the housing and is electrically coupled to the first electrical contacts. A power cord is elongated and includes a first end and a second end. A pair of power couplers each adapted for electrically coupling to one of the first and second power ports is electrically coupled to one of the first and second ends of the power cord.

REFERENCES:
patent: 3828201 (1974-08-01), Allan, Sr.
patent: 3919615 (1975-11-01), Niecke
patent: D280317 (1985-08-01), Boyd et al.
patent: 4748344 (1988-05-01), Sing
patent: 5929597 (1999-07-01), Pfeifer et al.
patent: 6909260 (2005-06-01), Parker
patent: 2001/0035738 (2001-11-01), Person

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