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. 26, 2000
Filed:
Dec. 15, 1998
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A high pressure gas operated setting tool and including guide cylinder, a fastening element guide (6) arranged, in a setting direction, in front of the guide cylinder and axially displaceable against a spring-biasing force in a direction opposite to the setting direction by a maximum amount (S), a drive piston (8) axially displaceable in the guide cylinder, a return device for displacing the drive piston to its ignition-ready position, and an elastic resetting element (9), surrounding the stem (82) of the drive piston and extending between the stop (73) of the guide cylinder (7) and a front, in the setting direction, end surface of the drive piston head (81), the resetting element (9) having a length corresponding at least to a maximum distance (A) between the stop (73) and the front end surface (83) of the drive piston head (81) reduced by the amount of the axial displacement of the fastening element guide (6).