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:
May. 11, 2004
Filed:
Feb. 12, 2002
Helmut Friedl, Sipbachzell, AT;
Franz Niedereder, Fischlham, AT;
Heinrich Hackl, Ried/Traunkreis, AT;
Fronius International GmbH, Pettenbach, AT;
Abstract
The invention describes a welding system with a welding device ( ) and a protective device ( ), in particular a protective shield ( ) for a user or welder. The protective device ( ) has an electrically controllable and/or adjustable protective visor ( ) with a control system ( ). The welding device ( ) or the welding system consists of at least one current source ( ), a welding torch ( ) and a control unit. The protective device ( ) has a transmitter and/or receiver unit ( ) which is connected to the control system ( ). The transmitter and/or receiver unit ( ) is connected to the welding system or the welding device ( ) or the welding torch ( ) via a connecting line ( ) or alternatively wirelessly and, when a start switch ( ) disposed on the welding torch ( ) or on the welding device ( ) is activated or when a start command is issued, the control unit or the welding torch ( ) sends a signal via the transmitter and/or receiver unit ( ) to the control system ( ) to darken the protective visor ( ).