发明名称 Tie lifter and holder
摘要 An improved design that would allow one workman to easily elevate a heavy concrete tie to the base of the rail and hold it in position while tie is connected to the rail with retainer clips. Improvements are made in the handle design that allow the workman to remain in a more upright position at the time the tie comes in contact with the rail. Also added is a safety grip ring near the upper end of the handle. Design improvements are also made at the foot end of the handle unit. At this point the improved tool design will allow more leverage to be applyed to the tie and a varity of hook devises to be used on lower end of tool, depending on what type of concrete tie is to be used.
申请公布号 US7014171(B2) 申请公布日期 2006.03.21
申请号 US20020196694 申请日期 2002.07.15
申请人 RADKE ALBERT JAMES RADKE 发明人 RADKE ALBERT JAMES RADKE
分类号 B65G7/02;B66F19/00;E01B29/02;E01B29/14 主分类号 B65G7/02
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