| 摘要 |
PROBLEM TO BE SOLVED: To provide an automatic door arrangement capable of preventing generation of noises from a drive unit when opening/closing a door body.SOLUTION: An automatic door arrangement 1 includes: a door body 30; a coil shape memory alloy 52 that expands and contracts by means of electric power; an electric power supply unit 70 that provides an electric power to the expansion and contraction member; and a control unit 80. The control unit 80 is configured to control the electric power which is provided to the coil shape memory alloy 52 from the electric power supply unit 70 to move the door body 30.SELECTED DRAWING: Figure 1 |
