发明名称 LADDER WITH FALLING PREVENTIVE DEVICE AND AUXILIARY DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a ladder with a falling preventive device capable of preventing a danger of a worker from falling from the ladder and for the worker to safely climb up and down. SOLUTION: A ladder 3 made of two supports 1 and a plural number of steps of lateral falseworks 2 is provided, an auxiliary support 4 having an auxiliary support pedestal 8 free to adjust on a lower end part with a proper interval from near a central part of the lateral falseworks is provided on one side, and a stopper fitting 5 for falling prevention of the auxiliary support is engaged with the lateral falseworks of the ladder. The stopper fitting is installed on the support by a pin 6 free to vertically move, and support parts 7 to fix the auxiliary support on the ladder are provided with proper intervals. They can be used for a lateral falsework of a channel shape firmly provided on a concrete wall.
申请公布号 JP2001182466(A) 申请公布日期 2001.07.06
申请号 JP19990377166 申请日期 1999.12.27
申请人 AKIYAMA SHIGEJU 发明人 AKIYAMA SHIGEJU
分类号 E06C7/18;E06C1/38;(IPC1-7):E06C7/18 主分类号 E06C7/18
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