Modular welding guns

Details Modular welding guns Modular welding guns

2005-03-22

2005-03-22

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

For bonding with pressure

C310S080000

Reexamination Certificate

active

06870121

ABSTRACT:
An actuator designed for use with a welding gun of the type having a first electrode movable in a straight line toward and away from a second electrode supported by a welding arm. The actuator includes a housing with a first and second end. A bushing with a generally square opening defined therethrough is supported in the first end of the housing. An actuator rod extends through the square opening in the bushing and has a first end inside the housing and a second end disposed external to the housing. The actuator rod has an external surface with a generally square cross section such that the external surface engages the square opening to prevent rotary motion of the rod with respect to the housing. A drive mechanism is disposed in the housing and is operable to move the rod with respect to the housing. The drive mechanism may be a pneumatic actuator or a rotary screw drive.

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