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:
Jul. 13, 2021
Filed:
Nov. 01, 2017
Husqvarna Ab, Huskvarna, SE;
Fredrik Karlsson, Sävedalen, SE;
HUSQVARNA AB, Huskvarna, SE;
Abstract
The present disclosure relates to engine-driven tool () comprising a rotatable work tool () and an engine () for propelling a first driving pulley () via a clutch wheel () comprised in a power transferring unit () and having an outer edge. The first driving pulley () and the clutch wheel () arc arranged to rotate around a common driving axis (). The power transferring unit () comprises an endless drive belt () that is arranged propel the rotatable work tool () when the first driving pulley () is propelled. A fan arrangement () is arranged to convey air front a dust channel () formed between a shielding cover () and the rotatable work tool (), and comprises a fan turbine () that is connected to a fan pulley () connected to the drive belt () is arranged to propel the fan pulley (). A first overlap line () extends along the outer edge () of the clutch wheel (), perpendicular to the extension of the common driving axis (), the first overlap line () further extending via the fan turbine ().