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:
Jan. 14, 2014
Filed:
Nov. 25, 2008
Par Martinsson, Jonkoping, SE;
Lars Andersson, Vastra Frolunda, SE;
Thomas Engman, Mullsjo, SE;
Bjorn Rosberg, Jonkoping, SE;
Par Martinsson, Jonkoping, SE;
Lars Andersson, Vastra Frolunda, SE;
Thomas Engman, Mullsjo, SE;
Bjorn Rosberg, Jonkoping, SE;
Husqvarna AB, Huskvarna, SE;
Abstract
A chainsaw having a brake arrangement comprising: a kickback brake drum () arranged to rotate together with a drive sprocket driving a saw chain of a chainsaw, a kickback brake for quickly stopping the saw chain if at least one kickback actuator () is actuated, the kick back brake including a kickback brake band () extending around the kickback brake drum () and means for tightening the kickback brake band (-) around the kickback brake drum (), and; a coasting brake weaker than the kickback brake being arranged to brake the saw chain () unless a coasting actuator of the chainsaw is actuated, the coasting brake includes a coasting brake band extending around a coasting brake drum () arranged to rotate together with the drive sprocket (), and means for tightening the coasting brake band () around the coasting brake drum, wherein the coasting brake band is either at least one longitudinally slit portion () of the kickback brake band or a separate brake band.