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:
Oct. 22, 2024
Filed:
Aug. 17, 2021
Applicant:
Hilti Aktiengesellschaft, Schaan, LI;
Inventors:
Markus Hartmann, Mauerstetten, DE;
Philipp Lorenz, Munich, DE;
Aaron Wiedner, Landsberg, DE;
Michael Götzfried, Holzhausen, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25D 17/00 (2006.01); B25D 11/12 (2006.01); B25D 17/06 (2006.01);
U.S. Cl.
CPC ...
B25D 17/06 (2013.01); B25D 11/125 (2013.01); B25D 2217/0015 (2013.01);
Abstract
A hand-held power tool, which has a pneumatic impact mechanism with an impact piston that is able to be moved back and forth along a working axis in a guide tube by a pneumatic spring, is characterized in that a cylindrical surface of the impact piston has a plurality of cutouts that are distributed in the circumferential direction, and the cutouts take up at least 30%, at least 50% and/or at least 70% of the circumference of the cylindrical surface of the impact piston.