-
公开(公告)号：US4334803A
公开(公告)日：1982-06-15
申请号：US96837
申请日：1979-11-23
CPC分类号： E21D21/0086 , E21D21/0026
摘要： A mine roof bolt of the type used in supporting the ceiling or roofs of underground mine passages is disclosed. The mine bolt includes an elongated shaft, threaded on one end with a stop member in the form of a hemispherical head provided at the other end. A bolt head is force fitted onto the shaft into abutment with the outer stop member. Similarly, a washer is also force fitted onto the shaft and into abutment with the bolt head. An inner stop in the form of an annular bead is formed on the shaft adjacent the underside of the washer.
摘要翻译： 公开了一种用于支撑地下矿井通道天花板或屋顶的矿用屋顶螺栓。 矿用螺栓包括细长轴，其一端螺纹连接，并具有设置在另一端的半球形头部形式的止动构件。 螺栓头被强制装配到轴上以与外部止动构件邻接。 类似地，也将垫圈强制安装在轴上并与螺栓头邻接。 在邻近洗衣机下侧的轴上形成呈环形胎圈形式的内部止动件。
-
公开(公告)号：US06878878B2
公开(公告)日：2005-04-12
申请号：US10236028
申请日：2002-09-05
申请人： Patrick C. Westlake
发明人： Patrick C. Westlake
IPC分类号： H02G3/14
CPC分类号： H02G3/14
摘要： The present invention is a junction box cover for use in conjunction with a junction box. The junction box cover includes a plate element having a rim portion, an elevated portion, and a transition portion connecting the rim portion with the elevated portion. The plate element has at least one slot on the rim portion, which is configured to accept a fastening mechanism. In operation, the junction box cover is placed over an open side of the junction box, and the junction box cover is secured to the junction box via the fastening mechanism extending through the slot.
摘要翻译： 本发明是与接线盒结合使用的接线盒盖。 接线盒盖包括具有边缘部分，升高部分和连接边缘部分与升高部分的过渡部分的板元件。 板元件在边缘部分上具有至少一个槽，其构造成接纳紧固机构。 在操作中，接线盒盖被放置在接线盒的开口侧，接线盒盖通过延伸穿过槽的紧固机构固定在接线盒上。
-
公开(公告)号：US06872038B2
公开(公告)日：2005-03-29
申请号：US10238311
申请日：2002-09-10
申请人： Patrick C. Westlake
发明人： Patrick C. Westlake
CPC分类号： F16B37/046
摘要： A spring nut adapter for use in connection with a U-shaped channel. The channel has a base plate, two side plates and channel grooves on upper portions of the side plates. The channel grooves are bounded by channel groove walls. The spring nut adapter includes a face plate with an attachment orifice extending therethrough, and a compression spring with a first end and a second end. The first end of the compression spring is secured to an underside of the face plate; an adapter element is secured to the second end of the compression spring.
摘要翻译： 用于与U形通道连接的弹簧螺母适配器。 通道在侧板的上部具有基板，两个侧板和沟槽。 通道槽由通道槽壁限定。 弹簧螺母适配器包括具有延伸穿过其中的附接孔的面板和具有第一端和第二端的压缩弹簧。 压缩弹簧的第一端固定到面板的下侧; 适配器元件固定到压缩弹簧的第二端。
-
-
搜索结果
3 条记录 (耗时 0.02 秒)
