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:
Feb. 04, 2014
Filed:
Feb. 02, 2005
Günther Flattinger, Pasching, AT;
Manfred Schörghuber, Wels, AT;
Karin Himmelbauer, Wolfern, AT;
Fronius International GmbH, Pettenbach, AT;
Abstract
In a welding torch including a torch housing () and, preferably, a tube bend () capable of being fastened thereto, wherein a drive unit () for feeding a welding wire () is arranged in the torch housing () and the drive unit () is formed by at least one pair of rollers, in particular a drive roller () and a pressure roller (), as well as a drive motor, a part of the torch housing () is designed as a component of the drive unit (). A rotor (), in particular a motor shaft (), of the drive motor () is fastened to the torch housing () via a bearing, in particular via bearings (), to stabilize and position the rotor (). In a welding wire feed drive motor including bearings (), a rotor (), in particular a motor shaft () and a rotor winding () or rotor magnets, and a stator pack, in particular stator winding () or stator magnets, at least a part of the motor shaft (), in particular the retention zone of a drive roller (), is electrically insulated from the housing, in particular stator housing () or base body ().