Sawing device and its safety system for precaution of a breaking saw chain

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7690407
APP PUB NO 20060107804A1
SERIAL NO

10521048

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Method and safety device for a breaking saw chain. The safety device includes a protective wall positioned in the vicinity of the drive gear drawing the saw chain that is capable of receiving the movement of the tail of the broken saw chain and guiding the broken saw chain and the tail into the desired direction. The protective wall is moved in phase with a guide bar to hold the protective wall in the correct location during sawing in relation to the saw chain.

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First Claim

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Patent Owner(s)

  • JOHN DEERE FORESTRY OY

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Annala, Markku Tampere, FI 1 8

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