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:
May. 11, 2010
Filed:
Jan. 29, 2008
Applicant:
Franz Moessnang, Landsberg, DE;
Inventor:
Franz Moessnang, Landsberg, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25D 17/24 (2006.01); B25D 17/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hand-held power tool includes a pneumatic percussing mechanism () located in the power tool housing () and having an anvil () and a percussion piston () for applying blows to the anvil (), and at least one oscillation damper (') including an oscillation damping mass (′), at least one spring (′) for compressively preloading the damping mass (′) against the power tool housing (), and an axially displaceable excitation member () for actively exciting the oscillation damper (′) in response to the anvil () occupying an operational position.