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. 27, 2016
Filed:
May. 22, 2013
Applicant:
Hilti Aktiengesellschaft, Schaan, LI;
Inventors:
Orlaw Massler, Triesenberg, LI;
Josef Fuenfer, Koenigsbrunn, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 45/16 (2006.01); B25D 9/00 (2006.01); B25D 13/00 (2006.01); B25D 11/00 (2006.01); B25D 16/00 (2006.01); B25D 11/06 (2006.01); B25D 17/06 (2006.01);
U.S. Cl.
CPC ...
B25D 11/06 (2013.01); B25D 17/06 (2013.01); B25D 2217/0019 (2013.01); B25D 2250/185 (2013.01);
Abstract
A hand-held power tool is disclosed. The tool has a pneumatic striking mechanism. The striking mechanism includes a motor-driven exciter, a guide tube and a striker. A pneumatic spring configured inside the guide tube between the exciter and the striker is circumferentially sealed pressure-tight by an inner surface of the guide tube. The exciter and/or the striker are configured as a piston guided by the inner surface. An inner surface of the guide tube is provided with a plurality of molded depressions.