(57) Abstract (Modified) Objective When utilizing a support state where it is stabilized to be implemented, jobBusiness such as the centering which can convert Characteristic well, can expect the improvement of the general purposeThe jack is offered. Constitution Lower side component pedestal 1 and upper part side component cradle 2 and,With pedestal and cradle in cross direction operational body of portable possible pairIn the volt/bolt 5 which is penetrated completely from 3,4 and cross direction and volt/bolt the spiral shellfishThe nut 6 which the equipment is done and, to consist of, on top side of the pedestal pairBottom side of operational body, in addition, on bottom side of cradle 2 operational of pairTop side of body, tilt slant face 11,12,21,22 and 3natsu for the Sliding touching and volt/bolt with 1,32,41,42The operational body of pair is approach mutually with choice of spiral shellfish conjunction position of to be,Being estranged, ascent and descent position adjustment of the cradle for the pedestal it is not profitThe ru way being formed, jack smell of business such as the centering which becomeste, with pedestal and cradle and operational body of pair dovetail joint structure?And others it is linked with the linkage structure which becomes.
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