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1. 发明授权

US06378260B1 Concrete forming system with brace ties 失效
标题翻译：混凝土成型系统
公开(公告)号：US06378260B1
公开(公告)日：2002-04-30
申请号：US09614966
申请日：2000-07-12
申请人： Jay D. Williamson , Thomas E. Whitmore , David Henney , Kelly G. Chandler , Robert D. Grove
发明人： Jay D. Williamson , Thomas E. Whitmore , David Henney , Kelly G. Chandler , Robert D. Grove
IPC分类号： E04B200
CPC分类号： E04B2/8617
摘要： A form tie for joining a pair of form sidewalls includes first and second vertical struts presenting planar nailing surfaces for embedding in the first and second sidewalls. A web obliquely extends between the struts and across the cavity between the laterally spaced-apart sidewalls. The web includes a top strut which slopes between the vertical struts and across the cavity. The form ties are alternately placed in alternate 180° orientations along the sidewalls such that the web extends in alternate directions across the cavity which enhances the form rigidity. Concurrently, the top web strut slopes in opposed direction to form a V-type seat for placement of a horizontal rebar within the cavity.
摘要翻译：用于连接一对形式的侧壁的形状连接件包括呈现用于嵌入在第一和第二侧壁中的平面钉表面的第一和第二垂直支柱。腹板在支柱之间倾斜地延伸并且在横向间隔开的侧壁之间横跨空腔。网包括顶部支柱，其在垂直支柱之间和横跨空腔之间倾斜。形状接头交替地沿着侧壁交替地放置180°取向，使得腹板沿着空腔的交替方向延伸，这增强了形状刚度。同时，顶部的支柱沿相反的方向倾斜，以形成一个V型座，用于将水平钢筋放置在空腔内。

2. 发明授权

US5762374A Tow bar mounted shield 失效
标题翻译：拖杆安装屏蔽
公开(公告)号：US5762374A
公开(公告)日：1998-06-09
申请号：US579911
申请日：1995-12-28
申请人： Clinton E. Grove , Robert D. Grove , Kelly G. Chandler
发明人： Clinton E. Grove , Robert D. Grove , Kelly G. Chandler
IPC分类号： B60D1/60 , B62D25/16
CPC分类号： B60D1/60
摘要： A towing shield is provided for mounting to a tow bar. The shield apparatus has a first and a second frame section. Each frame section is substantially planar and has an inner edge and an outer edge, with the inner edge of the first section is hingedly connected to the inner edge of the second section. The shield apparatus also has a first and a second shield panel. The first panel is fastened in parallel planar relation to the first frame section, while the second panel is fastened in parallel planar relation to the second frame section. The panels form a shielding surface extending vertically from the tow bar when the frame sections are mounted in an open position. The first and second panels have a flexible peripheral portion extending beyond the outer edge of their frame sections. Either peripheral portion is adapted to flex when engaged by the rear portion of the towing vehicle when the vehicle's rear portion is caused to turn into either of the peripheral portions.
摘要翻译：提供牵引屏蔽用于安装到拖杆上。屏蔽装置具有第一和第二框架部分。每个框架部分基本上是平面的并且具有内边缘和外边缘，其中第一部分的内边缘铰接地连接到第二部分的内边缘。屏蔽装置还具有第一和第二屏蔽面板。第一面板以平行的平面关系固定在第一框架部分上，而第二面板以与第二框架部分平行的平面关系紧固。当框架部分安装在打开位置时，这些面板形成从拖曳杆垂直延伸的屏蔽表面。第一和第二面板具有延伸超过其框架部分的外边缘的柔性周边部分。当使车辆的后部变成任何外围部分时，任何一个周边部分适于在牵引车辆的后部接合时弯曲。

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