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:
Jan. 07, 2014
Filed:
May. 26, 2009
Peter Hertlein, Gams, CH;
Stefan Petkov, Flums, CH;
Mario Zahner, Chur, CH;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A setting tool for driving fastening element in constructional components includes a setting mechanism having a combustion chamber () for generating expanding gases, a piston guide () adjoining the combustion chamber (), a bolt guide () adjoining the piston guide () in the setting direction (), and a drive piston () displaceable in the piston guide (). The piston includes a piston head () and a piston body () connectable along an interface () with the piston head (), the piston head () and the piston body () having, respectively, in an interface region, at least one stop surface () and at least one counter-stop surface () formed by surfaces defining essentially complementary tapering regions.