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:
Jun. 22, 2010
Filed:
Oct. 30, 2006
Ove Donnerdal, Savedalen, SE;
Stigbjorn Juhojuntti, Bohus, SE;
Joe Baillargeon, Orlando, FL (US);
Husqvarna AB, Stockholm, SE;
Abstract
Working tool and machine for sawing or cutting, comprising an annular blade () intended to be rotated about an axis of rotation, encircling the axis of rotation, the annular blade comprising an annular blank (') and means (), e.g. diamond segments (), forming the working part of the tool and provided in connection to an outer edge () of the blank (′), the blade and blank also having an inner edge (), an inner edge portion () comprising driving surfaces for rotation of the tool about the axis of rotation, and a web portion () between the outer edge () of the blank and the inner edge (portion) (), the web portion having a first side () and a second side (). At least two substantially circular guide grooves (′) are provided in the web portion on its first side, the guide grooves including an inner groove (′), which is the guide groove that is nearest the inner edge, and an outer groove (′) which is the guide groove that is nearest the outer edge, the guide grooves being concentric with respect to the axis of rotation, and each guide groove having an inner wall (′) on its inner side which faces the inner edge () of the blade.