发明名称 |
Vertical alignment tool for underground installation |
摘要 |
An aligning tool, involving plumb bob usage, for a fully assembled underground elevator ram system is provided and makes it possible to align the elevator ram into a required vertical position. Further this allows the fully assembled elevator to be vertically installed at site in a hole which often is flooded by groundwater.
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申请公布号 |
US5799405(A) |
申请公布日期 |
1998.09.01 |
申请号 |
US19960755670 |
申请日期 |
1996.11.25 |
申请人 |
C.M.F. CORPORATION |
发明人 |
CHRISTENSEN, JACK V.;KANNE, ERWIN D. |
分类号 |
B66B5/02;B66B19/00;G01M3/32;(IPC1-7):G01C15/10 |
主分类号 |
B66B5/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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