| 摘要 |
PURPOSE: A bollard is provided to be easily manufactured and to protrude or be buried due to simple operation. CONSTITUTION: A bollard comprises a case(10), a moving body(20), and an edge plate(30). The case comprises a support unit(11) and a guide unit(12) and is buried in the lower part of the ground. The upper end of the support unit is separated from the upper end of the case at a predetermined interval and comprises a fixing unit(14) to prevent a moving body from being rotated. The moving body is vertically moved in the case and comprises a pair of hanging units(21) protruding to the outside. An edge plate comprises a locking unit(32) to prevent the moving body from being separated from the case. |
