Patent · US Active

Rechargeable battery pack and electrical hand tool device

US8663834B2 · kind B2 · utility

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1Claims

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Assignee

Metabowerke GmbH · DE

Inventors

Ralph Liersch · Metzingen, DE
Wolfgang Stickel · Neuffen, DE
Jochen Graeber · Bissingen, DE

Key dates

Filing date	Sep 20, 2005
Grant date	Mar 4, 2014
Priority date	—
Expiry date	Sep 11, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a rechargeable battery pack, in particular for an electrical hand tool device, comprising at least two series-connected rechargeable battery cells (20) and/or rechargeable batter cell blocks and an electronics unit having a printed circuit board (14), wherein sheet metal conductors (16) for electrically connecting the series-connected rechargeable battery cells (20) and/or rechargeable battery cell blocks are provided, wherein the sheet metal conductors (16) are connected directly to the printed circuit board (14).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.