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    • 4. 发明授权
    • Lifting device for use with a ladder
    • 用于梯子的提升装置
    • US5911287A
    • 1999-06-15
    • US997759
    • 1997-12-24
    • Ronald L. Campbell
    • Ronald L. Campbell
    • E04D15/00E06C7/12E06C7/48E04G1/08
    • E06C7/48E06C7/12E04D15/00
    • A lifting device for raising a load intended for support by a roof of a building utilizing a ladder. Device includes a sled having first portion for slidingly contacting the ladder and a second portion providing a platform for a load. The sled is movable along the ladder generally in an up and down direction. A brace member connects to the ladder end, adjacent the roof. The brace possesses a flange which contacts the roof. An arm rotatably connects to the brace. The brace arm includes a first support surface for the sled when the arm is rotated toward the roof and a second support surface for contacting the roof. The sled is motivated along the ladder by motivating mechanism such as a crank operated cable.
    • 一种提升装置,用于提升用于由建筑物的屋顶利用梯子支撑的载荷。 装置包括具有用于滑动地接触梯子的第一部分的滑板和为负载提供平台的第二部分。 滑板通常沿着上下方向沿着梯子移动。 支撑构件连接到梯子端,与屋顶相邻。 支架具有与屋顶接触的法兰。 手臂可旋转地连接到支架。 支撑臂包括当臂朝向屋顶旋转时用于滑板的第一支撑表面和用于接触屋顶的第二支撑表面。 雪橇沿着梯子通过诸如曲柄操作的电缆之类的激励机制而动员。
    • 5. 发明授权
    • Portable hoist
    • 便携式起重机
    • US4690248A
    • 1987-09-01
    • US881691
    • 1986-07-03
    • Walter H. Killeen
    • Walter H. Killeen
    • B66C5/02E06C1/39E04G1/08
    • E06C1/39B66C5/025
    • A collapsible frame of a general ladder shape having elongated side rails connected by transverse support members. The frame defines an inverted U-shaped frame when in its unfolded operative position. A winch and pulleys attached to the frame are used for lifting or lowering a load. One downwardly extending leg of the frame has telescoping legs and wheels to provide for height adjustment and use as a hand truck for transporting a load. The second leg of the frame may be connected to a ladder bracket and ladder for lifting a load to an elevated location.
    • 具有通过横向支撑构件连接的细长侧轨的通用梯形的可折叠框架。 当框架处于其展开的操作位置时,框架限定倒置的U形框架。 连接在框架上的绞盘和滑轮用于提升或降低载荷。 框架的一个向下延伸的腿具有伸缩腿和轮,以提供高度调节和用作用于运输负载的手推车。 框架的第二条腿可以连接到梯子支架和梯子,用于将负载提升到升高的位置。
    • 7. 发明申请
    • CONNECTING COMPONENT
    • US20220325539A1
    • 2022-10-13
    • US17706561
    • 2022-03-28
    • Peri SE
    • Detlef NeuwirthFranz Winter
    • E04G7/22E04G1/08
    • A connecting component for connecting different scaffolding systems, comprising at least a first connection region, which is provided for connection to a first scaffolding system and which has a shaft that extends along a longitudinal axis, and an attachment region which is provided for connection to a second scaffolding system, wherein the first connection region and the attachment region are arranged adjacent to one another in the direction of the longitudinal axis and the first connection region has a receptacle in its interior in the shaft, at least on its side pointing away from the attachment region, which extends in the direction of the longitudinal axis. The attachment region has an abutment adjacent to the first connection region extending in a direction essentially perpendicular to the longitudinal axis, and the abutment has the longest dimension of the attachment region in the direction essentially perpendicular to the longitudinal axis.