The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 11, 2007
Filed:
May. 11, 2004
Mikael Racov, Huskvarna, SE;
Kjell Jacobsson, Jönköping, SE;
Fredrik Vadsten, Gränna, SE;
Bernt Käller, Huskvarna, SE;
Mikael Racov, Huskvarna, SE;
Kjell Jacobsson, Jönköping, SE;
Fredrik Vadsten, Gränna, SE;
Bernt Käller, Huskvarna, SE;
Husqvarna AB, Huskvarna, SE;
Abstract
This invention relates to a device for a portable tool, such as a brush cutter or the like, comprising a shaft tube () that via a shaft tube securing means is connected to a drive unit (). The shaft tube securing means comprises a first sleeve shaped element () enclosing an inner end of the shaft tube () and a second sleeve shaped element () arranged between the first sleeve shaped element () and a surrounding tube shaped recess () in the drive unit (). The sleeve shaped element () is provided with one or several portions () co-operating with an abutment surface () in the tube shaped recess () in order to limit the turning movement of the shaft tube () with respect to the drive unit () when being influenced by overloads.