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Method for adjusting screw jacks for supporting st

时间:2020-05-27 来源:乌哈旅游
专利内容由知识产权出版社提供

专利名称:Method for adjusting screw jacks for

supporting stringers and joists inconstruction of a building

发明人:John Michael Burke申请号:US08/837323申请日:19970411公开号:US06055730A公开日:20000502

摘要:A tool and method provide a labor saving procedure for positioning the collarsof screw jacks on base frames at desired heights at construction heights. A conventionalelectric motor driven drill is coupled to the screw jack pipe by the tool to rotate thepipes for positioning the collar at desired levels on the pipe.

申请人:BURKE; JOHN MICHAEL

代理机构:Hill & Simpson

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