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. 25, 2012
Filed:
Apr. 02, 2010
Applicant:
Richard Veil, Stuttgart, DE;
Inventor:
Richard Veil, Stuttgart, DE;
Assignee:
Pilz GmbH & Co. KG, Ostfildern, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A safety switching device for a modular failsafe control system for switching on and safely switching off an electrical load, having at least one switching element which is subject to wear and is designed to carry out a switching process by means of a control signal which is generated by the control system, in order to switch the electrical load, comprising an apparatus for detection of the number of switching processes carried out and having a memory apparatus for permanent failsafe storage of the detected number.