| 摘要 |
PROBLEM TO BE SOLVED: To ensure the self-supporting and stability of a stand pole while it is made of a lightweight synthetic resin and to make it possible to prevent the fall thereof. SOLUTION: A base plate 1 of a stand pole is injection molded and is made of a lightweight member extruding a hollow pole 10, a cylindrical keeper 3 is provided to the base plate 1 in a recessed shape, a hollow pipe fitting a steel weight 14 to the lower end thereof to adhere is made to fit and adhere to the cylindrical keeper, and they are monolithycally fixed. By the constitution, in order that the center of gravity is positioned to the inside of the base plate 1 or the lower position of the pole around the base plate, high degree of self-supporting and stability can be ensured. |
