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, 2013
Filed:
Aug. 24, 2006
Kaveh Towfighi, Shanghai, CN;
Kaveh Towfighi, Shanghai, CN;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A pneumatically driven setting tool for driving in fastening elements, includes a chamber () forming a storage chamber () for storing the pressure medium produced by the compression device () and an expansion chamber () adjoining the drive-in piston (), which is displaceable in a guide (), at a side of the drive-in piston () remote from the piston stem (), communicating with the storage chamber (), and having an opening () connecting the expansion chamber () with the drive-in piston (), at least one check valve () arranged between the compression device () and the chamber (), and a piston retaining device () for retaining the drive-in piston () in its initial position () in which the chamber () is sealed against the guide ().