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:
Feb. 15, 2007
Applicants:
Rory Britz, Shanghai, CN;
Rainer Ontl, Landsberg am Lech, DE;
Thomas Hofbrucker, Mammendorf, DE;
Inventors:
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 19/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrical hand-held power tool () includes a housing () in which a drive () is located, a ventilator () for forming a suction region () and a pressure region () in the housing () which provide for an air flow (L) that serves for cooling at least parts of the drive (), and a separation element () arranged between the suction region () and the pressure region () and fixedly secured in the housing (), the separation element () having an opening for forming a limited wire passage region () from the suction region () into the pressure region ().