# US 9,751,149 B2 · Welding stand for a welding system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,751,149 B2 - Document ID: US9751149B2 - Status: Granted - Kind: B2 - Application number: 14/149,352 - Filed: 2014-01-07 - Published: 2015-07-09 - Granted: 2017-09-05 - Earliest claimed: 2014-01-07 - Assignees: Illinois Tool Works Inc. - Applicants: Illinois Tool Works Inc. - Inventors: William J. Becker; David P. Marcusen; Nicholas Jon Peterson; Mark S. Payne - Web page: https://patentgrep.com/patent/US9751149B2 ## CPC - B23K 9/0956: {using sensing means, e.g. optical} - B23K 9/1087: {Arc welding using remote control} - B23K 37/0461: {Welding tables} - B23K 37/047: moving work to adjust its position between soldering, welding or cutting steps (B23K37/053 takes precedence) - G09B 19/003: {Repetitive work cycles; Sequence of movements} - G09B 19/24: Use of tools - B23K: SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM - G09B: EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS (devices for psychotechnics or for testing reaction times A61B5/16; games, sports, amusements A63; projectors, projector screens G03B) ## Abstract A welding system includes a motion tracking system comprising a camera having a lens. The welding system also includes a cover disposed over the lens of the camera. The cover is configured to enable infrared light to pass therethrough and to block environmental elements from contacting the lens of the camera. The cover is disposed over the lens of the camera at an angle relative to a face of the camera, and the angle is between approximately 10 and 60 degrees. ## Claims ### Claim 1 A welding system comprising: a welding stand comprising: a support structure configured to support a motion tracking system; a first rotatable arm coupled to the support structure and configured to rotate to a first position of a first plurality of positions to facilitate vertical welding, overhead welding, horizontal welding, or some combination thereof; and a linking assembly coupled to the motion tracking system and to the first rotatable arm, wherein the linking assembly is configured to rotate the motion tracking system relative to the support structure based at least in part on the first position of the plurality of positions of the first rotatable arm, the motion tracking system is configured to track a welding surface coupled to the first rotatable arm, and the first rotatable arm is mechanically linked to the motion tracking system. ### Claim 2 (depends on 1) The welding system of claim 1, wherein the welding stand comprises a second rotatable arm coupled to the support structure, wherein the second rotatable arm is configured to rotate to a second position of a second plurality of positions to facilitate vertical welding, overhead welding, horizontal welding, or some combination thereof. ### Claim 3 (depends on 2) The welding system of claim 2, wherein the first and second rotatable arms are configured to rotate separately. ### Claim 4 (depends on 2) The welding system of claim 2, wherein the first and second rotatable arms are configured to rotate together. ### Claim 5 (depends on 2) The welding system of claim 2, wherein the linking assembly is mechanically coupled to the first rotatable arm, to the second rotatable arm, and to the motion tracking system. ### Claim 6 (depends on 1) The welding system of claim 1, wherein the welding system comprises a brake to lock the first rotatable arm in a selected position of the first plurality of positions. ### Claim 7 (depends on 1) The welding system of claim 1, wherein the first rotatable arm comprises a welding plate, a clamp, or some combination thereof. ### Claim 8 (depends on 7) The welding system of claim 7, wherein the first rotatable arm comprises three first markers on a first surface of the first rotatable arm, and a second marker on second surface of the first rotatable arm, wherein the first surface is in a different plane than the second surface. ### Claim 9 (depends on 1) The welding system of claim 1, wherein the welding stand comprises a motor and the motion tracking system comprises a sensing device coupled to the motor, wherein the motor is configured to rotate the sensing device based at least in part on the first position of the first rotatable arm. ### Claim 10 (depends on 9) The welding system of claim 9, wherein the first rotatable arm comprises markers configured to be detected by the sensing device, and the motor is configured to rotate the sensing device based at least in part on the markers of the first rotatable arm detected by the sensing device. ### Claim 11 (depends on 1) The welding system of claim 1, wherein the welding stand comprises a horizontal welding surface, the support structure extends vertically from the horizontal welding surface, and the motion tracking system is configured to track the horizontal welding surface when the first rotatable arm is in a second position of a second plurality of positions configured to facilitate welding on the horizontal welding surface. ### Claim 12 (depends on 1) The welding system of claim 1, wherein the welding stand comprises a display coupled to the support structure, and the display is configured to display welding data related to a welding operation on the welding surface. ### Claim 13 A welding system comprising: a welding stand comprising: a support structure configured to support a motion tracking system; an arm coupled to the support structure and configured to rotate to a position of a plurality of positions to facilitate vertical welding, overhead welding, horizontal welding, or some combination thereof; a linking assembly coupled to the arm and the motion tracking system; and a plate, a clamp, or some combination thereof coupled to the arm, wherein the vertical welding, the overhead welding, the horizontal welding, or some combination thereof is configured to be performed on a workpiece coupled to the plate, the clamp, or some combination thereof, wherein the plate, the clamp, or some combination thereof comprises a plurality of markers configured to be detected by the motion tracking system at the position of the plurality of positions, and the linking assembly is configured to rotate the motion tracking system relative to the support structure based at least in part on the plurality of markers detected by the motion tracking system. ### Claim 14 (depends on 13) The welding system of claim 13, comprising the motion tracking system, wherein the motion tracking system is configured to track the position of the arm using the plurality of markers to compensate for movement of the plate, the clamp, or some combination thereof that occurs before a welding operation, during the welding operation, or some combination thereof. ### Claim 15 (depends on 13) The welding system of claim 13, wherein the welding stand is a welding training stand. ### Claim 16 (depends on 13) The welding system of claim 13, wherein the welding stand comprises a motor and the motion tracking system comprises a sensing device coupled to the motor, wherein the motor is configured to rotate the sensing device based at least in part on a position of the arm. ### Claim 17 A welding system comprising: a welding stand comprising: a support structure configured to support a motion tracking system; the motion tracking system rotatably coupled to the support structure, wherein the motion tracking system is configured to track a welding surface; a first rotatable arm coupled to the support structure and to the welding surface, wherein the first rotatable arm is configured to rotate the welding surface to a first position of a first plurality of positions to facilitate vertical welding, overhead welding, horizontal welding, or some combination thereof; and a linking assembly coupled to the motion tracking system and to the first rotatable arm, wherein the linking assembly is configured to rotate the motion tracking system relative to the support structure based at least in part on the first position of the plurality of positions of the first rotatable arm. ### Claim 18 (depends on 17) The welding system of claim 17, wherein the welding stand comprises a motor and the motion tracking system comprises a sensing device coupled to the motor, wherein the motor is configured to rotate the sensing device based at least in part on the first position of the first rotatable arm. ### Claim 19 (depends on 18) The welding system of claim 18, wherein the first rotatable arm comprises markers configured to be detected by the sensing device, and the motor is configured to rotate the sensing device based at least in part on the markers of the first rotatable arm detected by the sensing device. ### Claim 20 (depends on 17) The welding system of claim 17, wherein the welding stand comprises a second rotatable arm coupled to the support structure and to the linking assembly, wherein the second rotatable arm is configured to rotate to a second position of a second plurality of positions to facilitate vertical welding, overhead welding, horizontal welding, or some combination thereof.