Class 219/137.31 - Gun

Subclass of Class 219 - Electric heating
Definition: Subject matter including means for projecting the weld material
No. of patents: 102
Last issue date: 08/23/2011

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Number	Title	Issue Date
8003916	Industrial robot An industrial robot has a base for installation, a first arm, a second arm, a third arm, a wire feeder, a welding torch, and a torch cable. The first arm rotates with respect to the base. The second arm pivots with respect to the first arm. The third arm pivots with...	08/23/2011
7999209	Wire drive for wire feeder and spool gun A modular welding wire feed drive for use in a welding system. The welding wire feed drive is designed to be detachably connected to the welding wire feed system of the welding system. The welding wire feed drive includes a drive housing designed to be detachably co...	08/16/2011
7723644	Torch having multi-path gas delivery system A torch and a welding system having a pair of gas paths are disclosed. The torch includes a wire feed assembly and is connectable to a welding-type power source and a source of shielding gas. A power signal suitable for welding applications and a shielding gas are c...	05/25/2010
7663074	Method and apparatus for securing welding torch components A method and apparatus for using a collet to align and/or axially secure a liner within the gooseneck of a welding torch and to extend the useful life of the torch components are provided. A method and apparatus for securing torch components including said collet an...	02/16/2010
7446280	Ergonomic handle attachment with adjustment feature An ergonomic handle attachment to be used with a welding torch handle, the attachment has an attachment portion which is selectively attached to a wall of the handle; a hand grip portion which is selectively attached to the attachment portion, and, a locking member ...	11/04/2008
7427726	Grounding assembly for welding wire feeder A portable wire feeder for providing welding wire and welding current to a welding operation includes an input electrically connected to a power source. An output is electrically connected to the input to receive welding current delivered to the input from the power...	09/23/2008
7342199	Ergonomic handle attachment for welding torch An ergonomic handle attachment to be used with a welding torch handle, the attachment has an attachment portion having a first wall that is selectively attached to a wall of the handle and a second wall which extends from the first wall and is selectively received b...	03/11/2008
7342200	Torch for arc welding A welding torch has a nozzle; a contact tip positioned within the nozzle; a tube extending from the nozzle; wherein the tube has a gooseneck portion having a radius, and the tube has a second portion adjacent the nozzle which has a longitudinal axis which is substan...	03/11/2008
7309844	Multi-piece front loading liner An improved liner for protecting an electrode wire within a body of a welding torch. The liner includes a liner retainer, which is removably coupled to a liner insert. The liner retainer is secured to a distal end of the welding torch and the liner insert is inserte...	12/18/2007
7294809	Configurable securing assembly for neck of welding gun A welding system having a welding implement. The welding implement having a neck, a handle and a retaining nut for securing the neck to the handle. The neck being operable to convey electrode wire therethrough. The retaining nut being adapted for wrench-tightening t...	11/13/2007
7253373	Air-cooled arc welding implement A welding implement, such as a TIG welding torch. The welding implement comprises a torch head and a thermal storage member. The torch head is operable to conduct electricity to a welding electrode disposed therein. The thermal storage member is adapted to store hea...	08/07/2007
7246736	Supplying shielding gas A flexible articulate tubular device has a shank, a plurality of pivot rings, and a terminus with heat sensors and a fiber optic device. The flexible articulate tubular device is initially positioned, either manually or automatically, near a target weld path with th...	07/24/2007
7244909	Welding gun Several aspects of an in-line welding gun are disclosed. In one aspect, the welding gun has a variable profile insulating boot disposed over the torch barrel of the gun. The variable profile insulating boot may include a molded material having varying thickness to p...	07/17/2007
7244911	Alignment mechanism for a welding torch In accordance with one exemplary embodiment, there is provided a welding torch that includes features facilitating aligned assembly of various components of the welding torch with respect to one another. For example, the welding torch includes a nipple that carries ...	07/17/2007
7244910	Welding torch nipple In accordance with one embodiment, there is provided a welding torch nipple for coupling a welding cable and neck assembly to one another. The exemplary nipple includes two hollow tubes: an inner tube disposed in an outer tube. The inner tube includes features that ...	07/17/2007
7241972	Miniature welding gun A welding gun includes a motor, a wire feed mechanism, a power block, a welding tip, a and a cup. A substantially rigid shell surrounds the motor to form a handle. A gas passage for receiving inert gas from an inert gas source and delivering the inert gas to the gas...	07/10/2007
7220942	Feeder for endless welding wire A device is provided for feeding an endless welding wire stored in a first container in a first coil generally concentric with a first vertical axis and a second container in a second coil generally concentric with a second vertical axis spaced longitudinally from t...	05/22/2007
7208699	Spool gun having unitary shielding gas and weld power connector A spool gun having a quick connector connectable to an electrical power source and a gas source is disclosed. A connection line extends from the spool gun and is attached to a connector. The connector both fluidly connects the spool gun to a shielding gas source and...	04/24/2007
7196284	Welding gun having rotational swivel coupling A welding gun having a swivel coupling joining the posterior end of the gun to the handle thereby allowing the handle and gooseneck to be rotated without having to rotate the posterior end of the gun and the wire cable feed line, the swivel coupling providing a cond...	03/27/2007
7176412	Taper locking features between components of a welding device Locking engagement connections between various components of a welding device can include tapered features having varied thread patterns and/or varied angles to ensure that the components remain tight during service. For example, locking engagement connections can b...	02/13/2007
7135655	Arc welding cable An arc welding cable that is resistant to bending and twisting and can give a long life is provided. For this purpose, an arc welding cable (65) for supplying a welding current, a welding wire and a sealed gas from a wire feeding device (61) to a weldi...	11/14/2006
7115835	Welding electrode driving system Two slidable carriages of identical construction are slidably mounted in a welding device side by side and move alternately 180 degrees out of phase with each other in a linear reciprocating movement. Pivotal gripping plates are mounted on the slidable carriages whi...	10/03/2006
7105766	Welding torch having removable handle and method of operating same A welding torch having a torch body that is adapted to receive a welding electrode. A collet and collet body, or other mechanism, may be used to secure the electrode to the torch body. The welding torch has a handle that is securable to the torch body, but which may...	09/12/2006
7105775	Welding gun having contact tip and method of operating same A welding gun adapted to secure a contact tip within the welding gun without threading the contact tip and without the use of tools. The contact tip may be adapted to abut a surface of a first member disposed within the welding gun. The surface may be a surface of a...	09/12/2006
7067768	Motor driven resistance spot welding gun A motor-driven welding gun has a servomotor for displacing a movable electrode tip toward and away from a fixed electrode tip. The servomotor has a motor housing with a copper pipe which is inserted therein when the motor housing is cast. The copper pipe provides a ...	06/27/2006
7041935	Apparatus and methods for connecting a plasma arc torch lead to a power supply A torch lead extension is provided that comprises a conduit having a distal end and a proximal end. The torch lead extension further comprises a distal connector member disposed at the distal end of the conduit and a proximal connector member disposed at the proxima...	05/09/2006
7034250	Welding wire dispensing assembly and apparatus for providing adjustment of rotational resistance in a spool A welding wire dispensing assembly and apparatus for providing adjustment of rotational resistance in a spool includes a spool support, an axle assembly, and a resistance adjustment assembly. The spool support is rotatably mounted to the welding wire dispensing asse...	04/25/2006
7022936	Plasma arc torch trigger system A trigger system for operating a plasma arc torch is provided that comprises a selector that operates between at least a first operating position and a second operating position, wherein the first operating position operates the plasma arc torch in a first mode to d...	04/04/2006
7014740	Brown gas mass production apparatus including a line style electrolytic cell Disclosed is a Brown gas mass production apparatus having a line style electrolytic cell in which an electrolytic cell case having an electrolyte distribution and discharging pipe mounted on the inside bottom surface thereof is coated with insulation material on the...	03/21/2006
7009145	Welding system having welding gun with self-contained locking trigger A welding system having a welding gun with a self-contained trigger and trigger locking assembly. The self-contained trigger and trigger locking assembly has a trigger that is pivoted to operate the power source. The self-contained trigger and trigger locking assemb...	03/07/2006
6998575	Welding gun An in-line welding gun includes a mounting block, a wire feed mechanism and a torch barrel. A motor is positioned behind the mounting block along a longitudinal axis of the gun. The torch barrel curves away from the longitudinal axis. The motor and the torch barrel ...	02/14/2006
6995331	Welding torch having collet and backcap adapted for securing engagement and method for operating same A collet and a backcap are provided that are securable to each other. The collet and backcap may be adapted for threaded engagement. The collet and backcap may be utilized in a welding torch. A method of securing a collet to a backcap is provided. The method may inc...	02/07/2006
6987244	Self-contained locking trigger assembly and systems which incorporate the assembly A welding system having a welding implement with a self-contained trigger and trigger locking assembly. The self-contained trigger and trigger locking assembly has a trigger which, when operated, regulates the flow of current from a power source. The trigger lock of...	01/17/2006
6979799	System and method for operating and locking a trigger of a welding gun A welding system having a welding gun. The welding gun is adapted with a trigger. The welding gun may have a lever to lock the trigger in a desired pivoted position. The lever may pivot the trigger as the lever is pivoted. The welding gun may have a trigger extensio...	12/27/2005
6979796	Method and apparatus for proper alignment of components in a plasma arc torch A plasma arc torch includes at least one consumable component in coaxial relationship with another component of the torch. At least two compressible components are disposed between longitudinally extending coaxial surfaces of the consumable component and the second ...	12/27/2005
6956184	Welding torch with variable power trigger A welding torch includes a holdable torch gun having a first connection for hook up to a gas or water supply, and a second connection for hook up to a power supply. The gun has a discharge barrel with an outlet end, and a handle extending downwardly from the dischar...	10/18/2005
6936789	Triggerless welding implement and method of operating same A magnetically-actuated switch adapted to control a welding device. The magnetically-actuated switch may comprise a set of electrical connectors that are brought into electrical communication with one another by magnetic force. The magnetically-actuated switch may b...	08/30/2005
6930281	System for cooling a welding device A liquid-cooled welding device comprising a torch head body having a helical cooling fin extending along a length of the torch head body. A sleeve may be disposed around the torch head body to define a flow channel over the torch head body. The sleeve may have a liq...	08/16/2005
6924461	Gas diffuser for head tube assembly of welding gun A gas diffuser for a welding gun in which atmospheric air in the interior of the liner is substantially prevented from entering the contact tip hole. The gas diffuser includes a cradle having a hole and a section of a concave surface disposed around a periphery of t...	08/02/2005
6855905	Flexible welding torch having restraining member to avoid overextension and method of assembling same A positionable welding torch for a welding system is featured. The torch comprises a torch head, a handle, and a flexible portion coupled to the torch head and the handle. The flexible portion is adapted to enable the torch head to be positioned relative to the hand...	02/15/2005

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Class 219/137.31 - Gun