| 摘要 |
PURPOSE:To facilitate a carrying work by holding down the folding height of a scaffolding board for building work and to facilitate a work for expanding the same in the using state. CONSTITUTION:Front two supports 1a of supports provided on four, front and rear and left and right corners are connected to each other by a lateral rod, the rear two supports 1b are connected to each other by a lateral rod, and one side front and rear supports 1a, 1b are connected to each other by a turnable connecting frame 15. One end part of front and rear ends of a quadrangle scaffolding board frame 8 taking the upper parts of four supports as the vertexes is connected to the vicinity of the upper part of the support by a horizontal shaft 10, and the other end of the scaffolding board frame 8 is provided with a locking piece 13 locked on the upper part of the support on the side. |
