To relatively miniaturize a post cross-section size and enable to easily and quickly lift, using a simple and inexpensive constitution without using a motor.

To smoothly lift without generating collision noise, while securing a manual operation space, a rod 13 is disposed concentrically with a hollow post 11, a counter weight 4 is externally inserted in the rod 13, one end of two wire ropes 261, 262 are engaged with the upper end of the counter weight 14, and a lighting fixture 20 is engaged with the other end of the wire rope 261 via pulleys 271, 272, 281 and 282. A stopper performing restriction/release of the lighting fixture 20, in conjunction with restriction/release of the counter weight 14, is arranged at a post opening to perform an manual operation. If an object for mounting at high altitude is an advertising display, to enhance its safety, the stopper is thread-mounted close to the advertising display below thereof and the rotation of the stopper makes the advertising display evacuate from an advertizing display descendent path.