| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lifting storage apparatus that can reduce physical burden due to change in loading weight on a storage shelf. <P>SOLUTION: The lifting storage apparatus 1 includes: an outer box 10 having an opening 15 on the lower face side; a storage shelf 20 made to freely move up and down between a position stored in the outer box and a position projecting downward from the opening of the outer box; a winding drum 41 having a string member 47 wound for hanging the storage shelf relative to the outer box; and urging means for urging the winding drum in the winding direction. The urging means has: a first spring 46 urging the winding drum in the winding direction; and a second spring 53 switched between the state of being connected to the winding drum to urge the winding drum in the winding direction and the state where the connection to the winding drum is released, by means of spring switching means 48, 54, 55, 56, 57, and 58. <P>COPYRIGHT: (C)2012,JPO&INPIT |
