| 摘要 |
<p>The present invention relates to a stick in which a lower shaft provided with different head units depending on the use of a front end and an upper shaft provided with a handle are inserted in multiple stages. More specifically, the present invention relates to a fixed structure of an adjustable stick which comprises: a cylindrical outer tube which is provided in an end portion of the upper shaft or the lower shaft and has a spiral guide groove on the outer circumferential surface thereof and a plurality of fixing grooves formed in the vertical direction from one side of the guide groove; and an inner tube which is fitted into the inner side of the outer tube and provided with a protruding stopping projection to be accommodated in the guide groove in the lateral direction, wherein the length of the inner tube inserted into the outer tube is adjusted as the stopping projection is guided along the guide groove when the outer tube or the inner tube is rotated, and the outer tube and the inner tube are fixated as the stopping protrusion is guided into the fixing groove.</p> |
