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    • 1. 发明专利
    • Stepladder
    • 梯子
    • JP2006312867A
    • 2006-11-16
    • JP2006105280
    • 2006-04-06
    • Kawakami KazuyoshiMatsui AkiraHiroyuki Matsui川上 和良松井 亮博幸 松井
    • MATSUI HIROYUKI
    • E06C1/393E06C1/18
    • PROBLEM TO BE SOLVED: To provide a stepladder having excellent working efficiency because of enabling a worker to work on a step part with a wide tread, having excellent stability and safety with the tread close to the center of gravity of the stepladder because of disposing the step part inside a ladder part, having excellent transportability and space-saving property in storage by compactly storing the step part between the ladder parts when folded, and having excellent productivity with simple structure. SOLUTION: This stepladder 1 comprises a pair of ladder parts 2a, 2b each having two vertical members 3 and a plurality of crossbars 5 laid between them, and an opening/closing connection part 6 for connecting the ladder parts 2a, 2b in an openable/closable manner. The ladder part 2a comprises one or more step parts 7 having treads 8a-8d each formed inward from one crossbar 5, with the front end fixed to the upper face of the one crossbar 5, and riser plates 9a-9d formed upward from the inner ends of the treads 8a-8d, with each upper end fixed to the other crossbar 5 above the one crossbar 5. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种具有优异的工作效率的梯子,因为能够使工人在具有宽的胎面的台阶部分上工作,具有优异的稳定性和安全性,胎面靠近梯形梯子的重心,因为 通过在折叠时将台阶部紧凑地存放在梯子部之间,通过简单的结构具有优异的生产率,将台阶部配置在梯子部内,具有优良的运送性和节省空间的特性。 解决方案:该梯子1包括一对梯部2a,2b,每个梯部2a,2b分别具有两个垂直构件3和布置在它们之间的多个横杆5和用于将梯形部分2a,2b连接在其中的开/关连接部分6 一种可开/关的方式。 梯形部分2a包括一个或多个台阶部分7,其具有从一个横杆5向内形成的胎面8a-8d,其前端固定在一个横杆5的上表面,并且从内部向上形成的升降板9a-9d 胎面8a-8d的端部,每个上端固定在一个横杆5上方的另一横杆5上。(C)2007,JPO&INPIT