LIFT-UP DEVICE, LIFT-UP SYSTEM, AND LIFT-UP METHOD

摘要

PROBLEM TO BE SOLVED: To provide a lift-up device which can vertically move a concrete floor slab by a simple structure.;SOLUTION: The lift-up device 3 functions to vertically move the concrete floor slab 1 arranged on a floor surface 11. The lift-up device 3 is formed of: a support plate 31 which is fixed to a floor surface side, and has a recess 311; a jack rod 32 which has screw grooves formed on an outer peripheral surface, and allows a tip 322 to abut on the recess 311 via a through hole 1a formed at the concrete floor slab 1; and a lift plate 33 which has a screw hole 332 for allowing the jack rod 32 to be screwed therein, and is unrotatably mounted to the lower edge of the through hole 1a.;COPYRIGHT: (C)2009,JPO&INPIT