Tape measure with variable preformed stressed spiral spring retraction system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12158338
APP PUB NO 20230314114A1
SERIAL NO

18329869

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Importance

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Abstract

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A tool, such as a tape measure, including a spring-based retraction system is shown. The spring-based retraction system is driven by a spiral spring, that has a variable preformed stress profile along the length of the spring.

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Patent Owner(s)

Patent OwnerAddress
MILWAUKEE ELECTRIC TOOL CORPORATION13135 WEST LISBON ROAD BROOKFIELD WI 53005

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chou, Shih-Chi Taichung, TW 4 6
Kolade, Oluwatosin T Ocoee, US 4 6

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