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:
Sep. 14, 2010
Filed:
Nov. 22, 2006
Applicant:
Anders Urban Nelson, Älvsjö, SE;
Inventor:
Anders Urban Nelson, Älvsjö, SE;
Assignee:
Atlas Copco Tools AB, Nacka, SE;
Primary Examiner:
Int. Cl.
CPC ...
B24B 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A portable electric grinder with an air cooling system and connected to a remote stationary voltage supply means () via a cable (), wherein a cooling air duct () is provided to connect cooling air passages () in the grinder housing () to a stationary air pumping device, and the air pumping device is provided with a filter unit () for preventing dust and other undesirable particles from entering the air duct () and reaching the cooling air passages () of the grinder housing ().