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:
Nov. 02, 2021
Filed:
Sep. 01, 2009
Timothy Rolf Van Der Veen, Boronia, AU;
Tobias Nilsson, Huskvarna, SE;
Timothy Rolf Van Der Veen, Boronia, AU;
Tobias Nilsson, Huskvarna, SE;
HUSQVARNA AB, Huskvarna, SE;
Abstract
An abrasive disc () for grinding and/or polishing hard floor surfaces of stone, concrete or similar, the abrasive disc including a plurality of fixing means () for mounting detachably mountable carrier plates (), each with abrasive elements (), to a grinding side () of the abrasive disc (), each carrier plate having a specific fixing geometry, characterized by that the fixing means are disposed at least two separate distances from the centre of the disc, first fixing means () at a first predetermined distance (r) and second fixing means () at a second predetermined distance (r), said second predetermined distance (r) being shorter than the first (r), so that the carrier plates () will be arranged in at least to rows, a first outer row and a second inner row, and each fixing mean () includes a groove () providing a female coupling adapted for corresponding male couplings of the carrier plates ().