Battery pack for an electric power tool

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United States of America Patent

PATENT NO 9314915
APP PUB NO 20100221590A1
SERIAL NO

12709541

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A battery pack for an electric power tool has at least one cell arrangement with a plurality of individual battery cells that are arranged such in a predetermined total number of battery cells upright adjacent to one another for forming a cell container that cell axes of the battery cells are approximately perpendicular to a common reference plane. Cell connectors electrically conductingly connect cell ends of the battery cells. The battery cells of the cell container include a core cell and neighboring cells surrounding the core cell. Points of intersection of the cell axes of all of the neighboring cells with the reference plane are positioned on a closed, approximately elliptical curve. A number of neighboring cells is greater than one third of the total number of the battery cells of cell container.

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Patent Owner(s)

  • ANDREAS STIHL AG & CO. KG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Reber, Volker Michelbach an der Bilz, DE 36 601

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