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. 10, 2003
Filed:
Jul. 17, 2001
Applicant:
Inventors:
Hans-Werner Bongers-Ambrosius, Munich, DE;
Martin Richter, Freising, DE;
Konrad Artmann, Wörthsee, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 4/516 ;
U.S. Cl.
CPC ...
B23B 4/516 ;
Abstract
An electrical hand operated tool driving device ( ), such as a hammer drill, a combination hammer or a chipping hammer, has an electropneumatic striking mechanism ( ), for which a cooling medium ( ), for cooling the striking mechanism ( ), flows through a liquid-tight cooling medium duct ( ), which is disposed in a housing ( ) of the tool driving device ( ).
Bongers-Ambrosius, Hans-Werner. (2003). Electrical hand operated tool driving device with an electropneumatic striking mechanism (U.S. Patent No. 6575254). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6575254
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