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.:

US 11104026 B1

Date of Patent:

Aug. 31, 2021

Filed:

Mar. 01, 2016

Chain and bar cassette and chainsaw guide bar with tension indicator

Applicant:

Husqvarna Ab, Huskvarna, SE;

Inventor:

Jörgen Johansson, Jönköping, SE;

Assignee:

HUSQVARNA AB, Huskvarna, SE;

Attorney:

Burr & Forman, LLP

Primary Examiner:

Ghassem Alie

Assistant Examiner:

Fernando A Ayala

Int. Cl.

CPC ...

B27B 17/14 (2006.01); B27B 17/02 (2006.01); B23D 59/00 (2006.01); B27B 17/00 (2006.01); B27B 17/12 (2006.01);

U.S. Cl.

CPC ...

B27B 17/14 (2013.01); B23D 59/001 (2013.01); B27B 17/0008 (2013.01); B27B 17/025 (2013.01); B27B 17/12 (2013.01);

Abstract

A chainsaw () includes a power unit and a working assembly powered responsive to operation of the power unit. The working assembly includes a guide bar () around 5 which a chain () is rotatable. The guide bar () includes first and second side plates (), a core () and a tension indicator (). The first and second side plates () each face other and extend away from a housing () to a nose. The core () is disposed between the first side plate () and the second side plate (). The tension indicator () is provided at the core () and is visible at at least one of the first side plate() or the second side plate (). The tension indicator () is configured to indicate a chain tension based on a position of the guide bar ().

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