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. 18, 2001
Filed:
Dec. 22, 1999
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
An explosive powder charge-operated setting tool, including a guide cylinder (,), a drive piston (,) displaceably supported in the guide cylinder bore (,), a carrier (,) having in its end region facing in a direction opposite to the setting direction, a catridge-receiving chamber (,) and a first active surface (,) facing in the setting direction and from which a cylindrical projection (,) extends with an end surface of the cylindrical projection (,) facing in the setting direction forming a second active surface (,), with the first active surface (,) of the carrier (,) cooperating with a stop surface (,) provided on the drive piston, with the drive piston (,) having a cylindrical recess (,) extending from the stop surface (,) for receiving the projection, and with the tool further including a connection channel connecting the second and first active surfaces.