| 摘要 |
PURPOSE:To prevent a rotary section from being damaged even when a marker becomes large and heavy. CONSTITUTION:A movable marker plate 4 is fitted to a fixed marker plate 1 rotatably around nearly the center rotary shaft P-P of the fixed marker plate 1. The upper section of a rotary section is formed with a suspension metal 7 fitted to the fixed marker plate 1 and an L-shaped hook bolt 8 rotatably fitted to the suspension metal 7. The lower section is formed with a support metal 13 fitted to the fixed marker plate 1 and a support lever 14 rotatably fitted to the support metal 13. Upper and lower end sections of the movable marker plate 4 are fitted to the hook bolt 8 and the support lever 14 respectively. |
