| 摘要 |
PROBLEM TO BE SOLVED: To precisely inform a user of the remaining door open time to prevent erroneous operation of a door close button. SOLUTION: A dial operation part 5 automatically turns in a reverse direction corresponding to the remaining door open time before starting door close to return to a reference position when it is turned and operated from the reference position by an angle corresponding to the desired extension time. The dial operation part 5 includes a sleeve-shaped dial body 5a, and an arrow-shaped pointer 5b protruded from the dial body 5a toward the outside in the diametrical direction. The door open button 2 is surrounded with the dial body 5a. A time graduation part 6 that indicates the remaining door open time corresponding to the turned position of the dial operation part 5 is provided at the periphery of the dial operation part 5 of an operation panel 1. COPYRIGHT: (C)2011,JPO&INPIT
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