US Patent 7219648 Working tool
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Patent abstract
A hand-guided working tool has an internal combustion engine having a crankshaft and a fan wheel driven by the crankshaft. An air cleaning device is provided for cleaning the combustion air for the internal combustion engine. The air cleaning device has a dirt chamber and a vacuum channel extending away from the dirt chamber and opening in the area of the fan wheel. A section of the vacuum channel is formed by a vacuum hose. The vacuum hose is arranged in a mounting area of a fastening element and comprises a mounting channel through which the fastening element is accessible.
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US Patent 07219648 Working tool US Patent 7219648 Working tool
Infobox
Patent Number
0721964800
Patent Number
721964800
Edits on 28 Mar, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
072196480
Date of Patent
May 22, 2007
0Patent Application Number
111646740
Date Filed
December 1, 2005
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
072196480
Date of Patent
May 22, 2007
0Patent Application Number
111646740
Date Filed
December 1, 2005
0Official Website
Patent Primary Examiner
Edits on 8 Jun, 2022
Golden AI
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Golden AI
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US Patent 07219648 Working tool
Infobox
Is a
Patent jurisdiction
Patent number
07219648
Date of patent
May 22, 2007
Patent application number
11164674
Date Filed
December 1, 2005
Patent primary examiner
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