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:
Sep. 28, 2010
Filed:
Jul. 16, 2008
Josef Fuenfer, Koenigsbrunn, DE;
Josef Fuenfer, Koenigsbrunn, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A hand-held power tool includes a pneumatic percussion mechanism () having a driving member () reciprocating in the guide tube (), a percussion member () driven by the driving member (), and an air spring () located between the driving member () and the percussion member () transmits a reciprocating movement of the driving member () to the percussion member (), The hand-held power tool further includes a motor-driven elongate swashplate member () for reciprocating the driving member () a displacement stroke of which is adjusted by an adjusting member () displaceable along a longitudinal extent of a swashplate member () for adjusting a swashplate angle that determines the displacement stroke of the driving member ().