| 摘要 |
PURPOSE: A safety handrail for easily securing a visual field during watching performances by adjusting height is provided to adjust the height of a horizontal bar up and down at the same time. CONSTITUTION: A safety handrail for easily securing a visual field during watching performances by adjusting height comprises a horizontal bar(301), a plurality of vertical bars(302), and a horizontal bar operating unit(320). The horizontal bar is installed in parallel separately from the floor. The plurality of vertical bars connects the horizontal bar and the ground. The horizontal bar operating unit adjusts the height of the horizontal bar by adjusting the connection angle of the vertical bars and moving the horizontal bar. [Reference numerals] (AA) Floor |
