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    • 59. 发明授权
    • Stabilizing system for ladders and scaffolding
    • 梯子和脚手架稳定系统
    • US06959785B1
    • 2005-11-01
    • US10693725
    • 2003-10-24
    • Wade J. Chilton
    • Wade J. Chilton
    • E04G5/02E06C1/32E06C1/39E06C7/06E06C7/42E06C7/44E06C7/48F16M11/26
    • E04G5/02E06C1/32E06C1/39E06C7/42E06C7/44E06C7/48
    • A stabilizing ladder system is disclosed that comprises a ladder of scaffold assembly with a pair of rails and a plurality of rungs. The system further includes a ladder leveling assembly comprising a lower extension arm mounted on each of the rails of the ladder assembly, and each lower extension arms is slidably inserted and extendable from the lower end of one of the rails for engaging a ground surface. The system also includes a lower stabilizer assembly for stabilizing a lower portion of the ladder assembly with respect to the ground surface. The lower stabilizer assembly comprises a pair of outboard foot assemblies with a position of each of the outboard foot assemblies being laterally adjustable with respect to the rails of the ladder assembly such that a lateral spacing of the outboard foot assemblies is adjustable.
    • 公开了一种稳定梯子系统,其包括具有一对轨道和多个梯级的脚手架组件的梯子。 该系统还包括梯子调平组件,其包括安装在梯子组件的每个轨道上的下延伸臂,并且每个下延伸臂可滑动地插入并从其中一个轨道的下端延伸以接合地面。 该系统还包括用于相对于地面稳定梯子组件的下部的下部稳定器组件。 下部稳定器组件包括一对舷外脚组件,其中每个舷外脚组件的位置相对于梯子组件的轨道可横向调节,使得外侧脚组件的横向间隔是可调节的。
    • 60. 发明授权
    • Contractible table leg structure
    • 可收缩桌腿结构
    • US06923410B2
    • 2005-08-02
    • US10645098
    • 2003-08-21
    • Chien-Kuo Chang
    • Chien-Kuo Chang
    • A47B9/08A47B95/04F16M11/26
    • A47B95/043A47B9/083
    • The present invention discloses a contractible table leg structure, comprising: an external sleeve; a folding rod, being a rod member with a cross section substantially in successive V-shaped turning surfaces, and having an included angle in the middle, a plurality of folding surfaces to define a plurality of interface corners, and the folding rod passing through the interior of the external sleeve; a bolt member, being secured on the external sleeve, and its inner end corresponding to the included angle of the folding rod; and when bold the bolt member being tightly secured, so that the folding rod produces a deformation stress to press the interface corner against the inner wall of the external sleeve and fix the position of the folding rod.
    • 本发明公开了一种收缩台腿结构,包括:外套筒; 一个折叠杆,它是具有基本上在连续的V形转动表面中的横截面并且在中间具有夹角的杆构件,多个折叠表面限定多个界面拐角,并且折叠杆穿过 外套内部; 螺栓构件,其固定在外套上,其内端对应于折叠杆的夹角; 并且当粗大的螺栓构件被紧固时,使得折叠杆产生变形应力,以将接合角压靠在外部套筒的内壁上并固定折叠杆的位置。