Patent ID: 8338748

Claim:
A tandem welding carriage comprising: at least two welding carriages, each welding carriage comprising: a base, at least two wheels disposed at one end of the base to define a direction of travel of the welding carriage, said at least two wheels being centered about a central axis extending in the direction of travel; a first wheel assembly attachment member disposed on another end of the base; and a second wheel assembly attachment member disposed on said another end of the base; at least one coupling member which couples said at least two welding carriages to each other, where a first end of said at least one coupling member is secured to either of said first or second wheel assembly attachment member is secured to either of said first or second wheel assembly attachment member on the other of said welding carriages; wherein said at least one coupling member is removably engaged with each of said wheel assembly attachment members to which it is secured; wherein each of said welding carriages further comprises at least one welding equipment mounting member; and wherein an arc welding device is mounted to each of said at least two welding carriages and each of said arc welding devices are oriented to be adjacent to each other.