| 摘要 |
<p>The present invention relates to a multipurpose portable working stool comprising: a seat plate having a spring mounting part in the form of a pipe whose lower part is opened in the center of the bottom, and having a spring combining part in the form of a pipe whose lower part is opened at a constant distance away from the spring mounting part outside; a supporting stand consisting of a first combining rod having a flange in an upper part and a screw thread in a lower part to be combined with the lower part of the seat plate; a combination part having a screw thread corresponding to the screw thread of the first combining rod inside, and an extension part extended in the lower part of the combination part and consisting of a second combining rod having a screw thread outside; and a base stand screw-combined with the extension part by having a screw thread in the inner circumferential surface of a fitting groove formed inside to correspond to the screw thread formed in the outer circumferential surface of the second combining rod. The seat plate and the the supporting stand are combined with first and second springs, thereby cushioning is supplied to a part with which hips are in contact in working. Moreover, the multipurpose portable working stool comprises: a cut surface, which is cut at a predetermined depth, is formed in one side or both sides of the screw thread formed in the first combining rod and the second combining rod; at least one fixing projection is formed in the upper part of the base stand or the upper part of a connecting rod; and a fixing ring having a rotation preventing part inside, and a fixing groove into which the fixing projection is inserted in a lower part. The height of the working stool can be extended and fixed, thereby the working stool is suitable for a wide range of the working environment. Therefore, the present invention has an effect of improving the efficiency of working by reducing the fatigue of the working.</p> |
