LIFTING/LOWERING DRIVE DEVICE AND LIFTING/LOWERING DEVICE COMPRISING A PLURALITY OF THE LIFTING/LOWERING DRIVE DEVICES

摘要

PROBLEM TO BE SOLVED: To provide a lifting/lowering drive device capable of being easily attached or detached to/from an existing chair, desk, bed, and the like (collectively referred to as "furniture" in the invention).SOLUTION: A lifting/lowering drive device 1 comprises: a base 2; a lifting/lowering body 3 provided on the base 2 in a liftable/lowerable manner; and a drive mechanism 5 for lifting/lowering the lifting/lowering body 3. The lifting/lowering body 3 comprises a holding part 31 for holding a leg 63 of furniture in such a way that the leg can be attached to and detached from the holding part 31. The drive mechanism 5 comprises: a motor 51 as a drive source; and a drive transmission part 53 that transmits a drive force of the motor 51 to the lifting/lowering body 3 and has a self lock function.SELECTED DRAWING: Figure 3