US Patent No. 9,238,280

DUAL SHIFT UNIT FOR WELDER


Patent No. 9,238,280
Issue Date January 19, 2016 
Title Dual Shift Unit For Welder
Inventorship Michael B. Moyer, Moody, AL (US)
Assignee Honda Motor Co., Ltd., Tokyo (JP)

Claim of US Patent No. 9,238,280

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.