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. 11, 2012
Filed:
May. 29, 2007
Applicants:
Iwan Wolf, Untervaz, CH;
Ulrich Schiestl, Feldkirch, AT;
Inventors:
Iwan Wolf, Untervaz, CH;
Ulrich Schiestl, Feldkirch, AT;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25C 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is directed to a combustion-operated setting device () with a combustion chamber () for a combustible propellant, an ignition device () for generating an ignition spark in the combustion chamber (), a metering device () for metering the propellant, and control electronics () for the ignition device () and the metering device (). In order to improve the control electronics (), the control electronics () have at least two logically separated circuits. A first circuit () controls the metering device () and a second circuit controls the ignition device ().