Method for adjusting screw jacks for supporting stringers and jo

Details Method for adjusting screw jacks for supporting stringers and jo Method for adjusting screw jacks for supporting stringers and jo

1997-04-11

2000-05-02

Bryant, David P.

Metal working

Method of mechanical manufacture

Structural member making

521267, 521277, 52DIG1, 254DIG2, B23P 1102

Patent

active

060557303

ABSTRACT:
A tool and method provide a labor saving procedure for positioning the collars of screw jacks on base frames at desired heights at construction heights. A conventional electric motor driven drill is coupled to the screw jack pipe by the tool to rotate the pipes for positioning the collar at desired levels on the pipe.

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