Patent ID: 9238280
Filing Date: 2016-01-19
CPC Classification: B23K

Claim Text:
1. A welding apparatus including: a first welding element; a second welding element; and a support including a first member on which the first welding element is mounted and also including a second member on which the second welding element are mounted, the support being configured to be movable relative to the welding apparatus, the support being configured to move the first welding element and the second welding element respectively from a first start position to a first end position and from a second start position to a second end position as the support is moved relative to the welding apparatus such that welding points of the first welding element and the second welding element are altered; and a platform relative to which the support is moved, the platform including a reciprocating element configured to move the support in a first direction and an opposite, second direction, the platform including first guiding protrusions and second guiding protrusions, wherein each of the first member and the second member includes a first wheel and a second wheel, the first wheel configured to roll against the first guiding protrusion as the support is moved in the first direction, the second wheel configured to roll against the second guiding protrusion as the support is moved in the second direction, and wherein the first welding element and the second welding element are oriented to mirror one another at the first start position and at the second start position, and the first welding element and the second welding element are oriented to mirror one another at the first end position and at the second end position.