| 摘要 |
PROBLEM TO BE SOLVED: To prevent the damage to a mainbody part and a malfunction and also to enhance stop precision at upper and lower limit positions by simple configuration. SOLUTION: A drum 4 for winding-up and winding-down a belt 3 and a motor 18 for driving the drum 4 are provided inside the mainbody part 2 arranged at a high place, a hanger 5 for supporting a nursed person is attached to the lower end of the belt 3 and a lower limit position detecting plate and an upper limit position detecting plate 8 are respectively provided at the upper end and the lower end of the belt 3. Besides, a proximity sensor which is operated by the proximity of the respective detecting plates 8 is provided in the main body part 2 and also an interval between the lower end of the upper limit position detecting plate 8 and the hanger 5 is lessened. |
