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:
Aug. 02, 2022
Filed:
Jun. 07, 2018
Husqvarna Ab, Huskvarna, SE;
Robert Walter Schriever, Concord, NC (US);
E. Arnold Fie, II, Denver, NC (US);
Garrett Sherman, Huntersville, NC (US);
Victor Stramenga, Mooresville, NC (US);
HUSQVARNA AB, Huskvarna, SE;
Abstract
Herein a chainsaw () is disclosed comprising a guide bar () and a chain () moveably arranged around the guide bar (). The chainsaw () comprises an motor () comprising a motor shaft (), wherein the motor () is configured to drive the chain () via the motor shaft (). The chainsaw () further comprises a tension estimation arrangement () configured to sense a load on the motor shaft (), and configured to estimate the tension of the chain () around the guide bar () on the basis of the sensed load on the motor shaft (). The present disclosure further relates to a method of estimating tension of a chain () of a chainsaw ().