Trimmer head for a trimmer

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9320195
APP PUB NO 20140250699A1
SERIAL NO

14196048

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A trimmer head for a trimmer has a base member having a trimmer line opening. A clamping device arranged in the base member clamps a trimmer line that defines a cutting plane when rotated. The clamping member of the clamping device is rotatably disposed on a pivot bolt having a pivot axis positioned in a plane that is parallel to the cutting plane. The clamping member is spring-loaded by a clamping spring into a clamping position. The trimmer line is secured in the clamping position between a clamping surface and the clamping member. A centrifugal force acting on the trimmer line loads the clamping member in the clamping position. A U-shaped bracket has bracket legs connected by a stay. The clamping member is positioned between the bracket legs. The pivot bolt is supported on the bracket leg ends. The stay of the U-shaped bracket forms the clamping surface.

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First Claim

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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
Häberlein, Jürgen Winnenden, DE 3 39
Keller, Katharina Berglen, DE 3 29
Neumaier, Thomas Winnenden, DE 4 43
Stark, Thomas Waiblingen, DE 40 345
Weimer, Ina Stuttgart, DE 2 36

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