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1. 发明授权

US3770233A Cable draw mechanism 失效
标题翻译：电缆拉拔机构
公开(公告)号：US3770233A
公开(公告)日：1973-11-06
申请号：US3770233D
申请日：1971-01-13
申请人： MC ELROY J
发明人： MC ELROY J
IPC分类号： H02G1/08 , B65H51/22
CPC分类号： H02G1/08
摘要： A cable draw mechanism is provided for use in cable trays having spaced side rails and transverse rungs comprising an elongated base member extending from beneath one of said spaced side rails to the other between said rungs, a pair of vertical standards on the base member, a shaft between said vertical standards generally parallel to said base, a plurality of side by side rollers on said shaft and fastening means on the base engaging one of said rungs and said side rails to hold the base in place between said rails.
摘要翻译：提供了一种电缆牵引机构，其用于具有间隔开的侧轨和横向梯级的电缆桥架中，所述横向梯级包括从所述间隔开的侧轨之一延伸到所述梯级之间的细长基部构件，在所述基座构件上具有一对垂直标准，所述垂直标准杆大体上平行于所述基座的轴线，所述轴上的多个并排辊子和所述底座上的紧固装置接合所述梯级和所述侧轨道之一，以将所述基座保持在所述轨道之间的适当位置。

2. 发明授权

US3724060A Method of form tie removal 失效
标题翻译：形式去除方法
公开(公告)号：US3724060A
公开(公告)日：1973-04-03
申请号：US3724060D
申请日：1971-01-08
申请人： MC ELROY J
发明人： MC ELROY J
IPC分类号： E04G17/06 , B23P19/00
CPC分类号： E04G17/06 , E04G17/0644 , Y10T29/49817
摘要： A method wherein a small hole with sides parallel to a form tie is drilled into the concrete, a tool comprising a long rod with a tight-fitting sleeve is slipped over the stub of the tie and is rocked within the confines of the hole until the stub tie breaks off, and the hole is patched without feather edges.
摘要翻译：一种方法，其中将具有平行于成形接头的侧面的小孔钻入混凝土中，包括具有紧密套筒的长杆的工具滑过连接件的短棒，并在孔的范围内摇动，直到短裤领带断了，孔没有羽毛边缘打补丁。

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