| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a liftable shelf device which lifts operation devices and a shelf body itself without touching them and is hard to cause false operation by operation mistakes of a user, as the liftable shelf device for lifting a shelf body between a storage position and a use position. <P>SOLUTION: The liftable shelf device includes detection means 16, 17 for detecting an object 18 to be detected close to the shelf body 5 in a non-contact state. The detection means 16, 17 detect the object 18 to be detected, which are placed at detection positions A1, A2 of a plurality of parts separated from one another. A control means 20 identifies a moving direction of the object 18 to be detected on the basis of a time serial change of a detection state of the object 18 to be detected at the respective detection positions A1, A2 by the detection means 16, 17, selects a lift direction of the shelf body 5 in accordance with the moving direction, and lifts the shelf body 5. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
