Dust removal arrangement for an engine-driven tool

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11059114
APP PUB NO 20190275596A1
SERIAL NO

16347260

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present disclosure relates to engine-driven tool (1) comprising a rotatable work tool (2) and an engine (4) for propelling a first driving pulley (28) via a clutch wheel (30) comprised in a power transferring unit (27) and having an outer edge. The first driving pulley (28) and the clutch wheel (30) arc arranged to rotate around a common driving axis (38). The power transferring unit (27) comprises an endless drive belt (9) that is arranged propel the rotatable work tool (2) when the first driving pulley (28) is propelled. A fan arrangement (13) is arranged to convey air front a dust channel (11) formed between a shielding cover (8) and the rotatable work tool (2), and comprises a fan turbine (26) that is connected to a fan pulley (29) connected to the drive belt (9) is arranged to propel the fan pulley (29). A first overlap line (50) extends along the outer edge (52) of the clutch wheel (30), perpendicular to the extension of the common driving axis (38), the first overlap line (50) further extending via the fan turbine (26).

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Patent Owner(s)

  • HUSQVARNA AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Karlsson, Fredrik Sävedalen, SE 20 118

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