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:
Dec. 18, 2012
Filed:
Oct. 13, 2009
Applicants:
Michael Lange, Winnenden, DE;
Rainer Vogler, Leutenbach, DE;
Inventors:
Michael Lange, Winnenden, DE;
Rainer Vogler, Leutenbach, DE;
Assignee:
AEG Electric Tools GmbH, Winnenden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 9/04 (2006.01); H02K 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cooling unit for a power tool comprises a fan wheel () to be supported on an armature shaft () of a motor () of the power tool. The cooling unit comprises a torque transfer means as well as an actuating means () for actuating this torque transfer means so as to selectively transfer the rotation of the armature shaft () to the fan wheel () during operation of the power tool.