Replaceable rechargeable battery unit for a power tool,...

Details Replaceable rechargeable battery unit for a power tool,... Replaceable rechargeable battery unit for a power tool,...

2008-11-24

2010-06-08

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

For handheld device

Reexamination Certificate

active

07733057

ABSTRACT:
A power tool system has a power tool, a replaceable rechargeable battery unit for the power tool, and at least one coupling unit for charging the battery unit while being replaceably connected to the power tool; also a replaceable rechargeable battery unit for a power tool, a charger for charging a replaceable rechargeable battery unit for a power tool, and a power tool with a replaceable rechargeable battery unit are provided.

REFERENCES:
patent: 6066938 (2000-05-01), Hyodo et al.
patent: 7456609 (2008-11-01), Fuchs
patent: 2001/0017531 (2001-08-01), Sakakibara et al.
patent: 2005/0161077 (2005-07-01), Okabe et al.
patent: 2008/0012527 (2008-01-01), Zick et al.
patent: 0 642 203 (1995-03-01), None

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