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Class 219/86.33 - Having adjustment means


Subclass of Class 219 - Electric heating
Definition: Subject matter including means to change the position of
No. of patents: 28
Last issue date: 05/31/2011


NumberTitleIssue Date
7952046Resistance welding gun with independent actuators
An actuator assembly for a welding gun is provided that has at least three positions in the example. The actuator assembly includes separate working and retract actuators. The working actuator includes a working rod movable between first and second positions. The re...
05/31/2011
7435924Drive device for welding tongs
A drive device for a pair of welding tongs having a pair of limbs, is arranged between the adjusting ends of the limbs, located opposite to the welding electrodes, for adjusting between a welding position and a standby position. In order to reduce its length, provid...
10/14/2008
7199326Jig and method for positioning spot welding electrode
A positioning jig for a spot-welding electrode includes an attaching portion for temporarily attaching to a workpiece. A positioning portion of the jig is disposed in parallel to a central axis of the attaching portion and spaced from the central axis. The positioni...
04/03/2007
7170025Welding device
IMPROVED RESISTANCE WELDING DEVICE that includes a mobile electrode in a support assisted by a spring, gas cylinder or expansion element, allowing its movement on being compressed so that the time lapse for the welding is sufficiently long to be effective, without a...
01/30/2007
7075028Sub-micron adjustable mount for supporting a component and method
Attaching an attachment surface of an electrically conductive workpiece to an electrically conductive support surface is described. In one aspect, a biasing force is distributed at least partially around a weld region of the workpiece to urge the attachment surface ...
07/11/2006
7022934Connecting adapter for weld electrode
An electrically and thermally conductive adapter for connecting a weld electrode to a tip holder portion of a welding device. The adapter has a first, threaded end, for removable engagement with a like-threaded receiving cavity in the tip holder. The threads may be ...
04/04/2006
7009135Electrode alignment device for automated welding machines
An electrode alignment device and weld head for automated welding machines includes a base member, a gap wheel, an electrode holder and a coupling rod. The gap wheel includes a plurality of graduations, where each graduation corresponds to a predetermined electrode ...
03/07/2006
6573470Weld gun heat removal
A weld gun includes internal, external and structural devices that dissipate heat generated at electrode tips without requiring a continuous external source coolant. The internal devices utilize heat pipes within the electrodes to transfer heat to seconda...
06/03/2003
6469272Weld gun with inverted roller screw actuator
A weld gun having a pair of opposing arms movable relative to each other to apply pressure to a workpiece during a welding operation. The opposing arms of the weld gun can be rotatable or translatable relative to each other. The opposing arms are moved re...
10/22/2002
6462298Long life welding electrode and its fixing structure, welding head and welding method
The present invention provides a fixing structure for a welding electrode and a welding head which enable improvement of durability of a welding electrode, improvement of work efficiency in welding, and reduction of time required for welding and also whic...
10/08/2002
6392185Electrical welding clamp comprising a mechanical device for indexing and de-indexing
The welding gun includes an electrically driven welding clamp comprising a fixed indexed arm and a mobile arm, respectively provided with an electrode, and a device for indexing and de-indexing locking and releasing the clamp movement relative to the weld...
05/21/2002
6359249No wat welding system
The present invention relates to an improved resistance weld-based gun assembly for use in an electric welding system without a need for plant-provided air and water-cooling circulation systems. In one aspect of the invention, a resistance-based force con...
03/19/2002
6075219Electrode unit for resistance welding
In order to carry out quick and easy changeover of platens of an electrode unit, a shank holder connects a fixed lower electrode with a platen. Further, a movable upper electrode is connected with another platen by the shank, which is held by the shank ho...
06/13/2000
6037558Integrated low inertia projection welding head and cylinder
An integrated projection welding head and drive assembly which has a pressure drive device moving an electrode head assembly into contact with one of the workpieces projection weld two workpieces together. A force generation unit biasing the electrode ass...
03/14/2000
5948284Equalizing cam rocker fixture assembly for a resistance welding gun
An apparatus for contacting and applying a force to opposite sides of a workpiece, such as a resistance welding device adapted for use on an automated assembly line. The apparatus is configured to be extremely rigid to ensure accurate movement and positio...
09/07/1999
5869799Welding gun control method
Positions where the pair of electrode chips are in contact with each other are regarded as reference positions. Desired starting positions where the tips of the pair of electrodes are slightly apart from the surfaces of a workpiece are determined on the b...
02/09/1999
5387774Spot resistance-welding electrode; contact tip for such an electrode; machine for exchanging these tips
This welding electrode is one wherein the welding cap 3 of the electrode body 1 carries a contact tip 4 which is securely fastened to it by brazing. Thus, the replacement of this contact tip can be carried out very easily by stopping the circulation of th...
02/07/1995
5113053Welding gun for robot
The present invention provides a welding gun for robot provided with a cradle formed of a hollow frame. The cradle has side plates serving also as stopper receivers for receiving stoppers of the welding gun arms, thereby eliminating an extra member for re...
05/12/1992
4924055Spot gun for a welder machine
A bearing is located at the front of a frame and through means of this bearing an electrode disposed upon one side of a welding gap and an electrode disposed upon the other side of the welding gap can be positioned opposite each other upon a horizontal ce...
05/08/1990
4904838Electrode changers and methods of operation for electrical bonding apparatus
Electrical bonding apparatus such as a fusing machine is provided with plural separate electrode holders such that the position of an electrode relative to each holder can be adjusted. The position of each electrode relative to the holder is adjusted whil...
02/27/1990
4791265Methods and apparatus for electric resistance welding
An electric resistance welder comprises a frame and a movable arm mounted to the frame for gravitational movement relative thereto. A movable electrode is carried at an end of the movable arm. A stationary electrode is spaced opposite the movable electrod...
12/13/1988
4510370Fusing machine
A fusing machine utilizes a fusing electrode assembly and a ground electrode assembly suspended from the fusing electrode assembly. The fusing electrode assembly includes a lower fusing electrode shaft and an upper fusing electrode shaft. The lower fusing...
04/09/1985
4504724Fusing machine
A fusing machine utilizes a fusing electrode assembly and a ground electrode assembly suspended from the fusing electrode assembly. The fusing electrode assembly includes a lower fusing electrode shaft and an upper fusing electrode shaft. The lower fusing...
03/12/1985
4500767Shadow mask washer/spring welding apparatus
A welding apparatus for welding a washer to a frame retaining spring while the washer and the spring are in engagement with a stud affixed to the sidewall of a kinescope panel. A welding head is suspended by an articulated joint and by flexible straps whe...
02/19/1985
4500769Rotary weld gun support with electrical coupling
In a resistance welding device wherein the welding gun is carried by a robot for rotation about a robot axis, an electrical slip ring assembly for carrying weld current to the weld gun also supports the rotary weld gun. Axially stacked collector discs ins...
02/19/1985
4453072Welding method and apparatus suitable for forming links in jewelry
In a link forming apparatus, U-shaped links are fed into a forming station and closed by a forming anvil. Opposing electrodes are then pressed against each side of the closed link by means of a common belt drive which is in turn pneumatically driven. Each...
06/05/1984
4451722Fusing machine
A fusing machine utilizes a fusing electrode assembly and a ground electrode assembly suspended from the fusing electrode assembly. The fusing electrode assembly includes a lower fusing electrode shaft and an upper fusing electrode shaft. The lower fusing...
05/29/1984
4348575Contact device
A combined pivot joint and electric contact device between two welding current conductors forming part of the welding circuit of a resistance welder. The device is provided with a pair of contact plates extending at right angles to the joint axis and conn...
09/07/1982
 
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