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1. 发明授权

US4056940A Trench box height adaptor 失效
标题翻译：沟槽箱高度适配器
公开(公告)号：US4056940A
公开(公告)日：1977-11-08
申请号：US735011
申请日：1976-10-26
申请人： Walter A. Fisher
发明人： Walter A. Fisher
IPC分类号： E02D17/08 , E21D5/00 , E21D5/12
CPC分类号： E02D17/08
摘要： A trench shoring assembly including first and second spaced walls having upper surfaces with third and fourth spaced walls stacked upon the upper surfaces of the first and second walls. A plurality of tubular collars project from the various walls and are aligned vertically at each end thereof. Spreader pipes interconnect these collar projections at one end of the assembly and a spreader assembly interconnects the stacked walls at the other end. More specifically, the spreader assembly includes vertically extending metal beams interconnecting the collars projecting from the walls and tie bars extending between the vertical beams at a position spaced well above the upper surfaces of the lower walls thereby facilitating a pipe having a diameter which is greater than the vertical height of the lowermost walls. In the first embodiment the tie bars are adjustable to vary the spacing between the spaced walls, whereas in the second embodiment they are not adjustable and a plate is secured thereto and depends therefrom and includes an arcuate cutout for surrounding the pipe or conduit.
摘要翻译：一种沟槽支撑组件，包括具有上表面的第一和第二隔开的壁，其中第三和第四隔开的壁堆叠在第一和第二壁的上表面上。多个管状套环从各个壁突出并且在其每个端部垂直对准。撒布机管道在组件的一端连接这些轴环突起，并且扩展器组件将另一端的堆叠壁相互连接。更具体地说，吊具组件包括垂直延伸的金属梁，该金属梁将从墙壁伸出的凸环与在竖直梁之间延伸的位置处的连接杆互相连接，该位置在下壁的上表面之间间隔得很远的位置，从而便于具有大于最低墙的垂直高度。在第一实施例中，连接杆是可调节的，以改变间隔开的壁之间的间隔，而在第二实施例中，它们不可调节，并且板被固定到其上并且与之相关并且包括用于围绕管道或导管的弧形切口。

2. 外观设计

USD292473S Rotisserie motor for a barbecue spit 失效
公开(公告)号：USD292473S
公开(公告)日：1987-10-27
申请号：US696806
申请日：1985-01-31
申请人： Walter A. Fisher
设计人： Walter A. Fisher

3. 发明授权

US3992887A Trench shoring assembly with force transferring accessory 失效
标题翻译：带力传递附件的沟槽支撑组件
公开(公告)号：US3992887A
公开(公告)日：1976-11-23
申请号：US656146
申请日：1976-02-09
申请人： Walter A. Fisher
发明人： Walter A. Fisher
IPC分类号： E02D17/08 , E21D5/00
CPC分类号： E02D17/08
摘要： This invention relates to a trench shoring assembly which includes a pair of spaced apart side walls for vertical disposition within a trench. Spreader pipes and spreader collars interconnect the side walls and allow limited pivotal movement between the wide walls. Each side wall includes outer and inner metal plates connected to a plurality of interconnected structural members which define a main frame. The interconnected structural members include horizontally extending hollow metal beams including a top beam which extends longitudinally along the top of the side wall, two intermediate beams parallel the hollow metal beam and a bottom beam. A hardwood insert is disposed within the top beam to prevent the collapse of the hollow metal beam. Each side wall contains a number of hollow beams extending perpendicularly to the horizontal beams and ribbed members extending perpendicularly to the horizontal beams. These vertical beams and members are interconnected by a strip member.
摘要翻译：本发明涉及一种沟槽支撑组件，其包括用于在沟槽内垂直布置的一对间隔开的侧壁。撒布机管道和扩展器套环将侧壁互连，并允许在宽壁之间进行有限的枢转运动。每个侧壁包括连接到限定主框架的多个互连结构构件的外金属板和内金属板。互连的结构构件包括水平延伸的中空金属梁，其包括沿着侧壁的顶部纵向延伸的顶梁，平行于中空金属梁的两个中间梁和底梁。硬木插入件设置在顶梁内，以防止中空金属梁的塌陷。每个侧壁包含垂直于水平梁延伸的多个中空梁和垂直于水平梁延伸的肋构件。这些垂直梁和构件通过带状构件相互连接。

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