| 摘要 |
PURPOSE: An installation device for a boundary stone is provided to enable a worker to easily construct a boundary stone with an accurate position using a turnbuckle. CONSTITUTION: An installation device for a boundary stone is comprised as follows: A vertical support(2) is installed on the tops of both sides of a form(1), and both ends of the vertical support are located on the outside. Turnbuckle bases(58) installed on the bottom surface of the vertical support are connected to both ends of the form. Turnbuckles(4) are fixed to the tops of the turnbuckle bases. Each turnbuckle is composed of upper and lower bolts and a connection piece(54). The upper and lower bolts are vertically separated from each other. The connection piece has nut parts(53) screwed on the upper and lower bolts. A boundary stone(3) is placed on the top of the vertical support. The height of the boundary stone can be adjusted by the turnbuckles. |
