| 摘要 |
The present invention provides a frame structure for a utility chair, the frame structure comprising: a pair of coupling members which are disposed away from each other and have formed on the inner side thereof a pair of upper coupling holes and a pair of lower coupling holes, respectively; a pair of lower frames which pass through the lower coupling holes, are fixedly coupled, have a lower piece, connected between the pair of coupling members in the horizontal direction, and leg pieces, formed on both sides of the lower piece and are bent in the downward direction, and are disposed such that support portions, provided on both lower ends of each lower frame and coming in contact with a floor surface, are formed away from each other in the outer direction; and a pair of upper frames which pass through the upper coupling holes, are fixedly coupled, have an upper piece, connected between the pair of coupling members in the horizontal direction, and support pieces, formed on both sides of the upper piece and are bent in the upward direction, and are disposed such that insertion portions, provided on both upper ends of each upper frame and connected to a seat, are formed away from each other in the outer direction, wherein the pair of upper pieces, the pair of lower pieces and/or the lower piece and the upper piece are coupled together by means of welding. |
