| 摘要 |
PROBLEM TO BE SOLVED: To reduce the cost of a door device while securing high safety regarding a goods takeout port door device for slidingly opening/closing a door plate. SOLUTION: In this door device, the sliding door plate 7 disposed at the front face of a goods takeout port 6 and supported and guided in an opening/ closing direction by a door guide rail is transmission-connected to a drive motor (a geared motor) 10 through a rack and pinion mechanism, and the door plate is operated to open/close according to selling operation. The door device is provided with a door lock mechanism 17 for locking the door plate in the closed state of the goods takeout port. The door lock mechanism is composed of a hook 7b provided at the door plate; a locking arm 18 provided on the fixed side opposedly to the hook; and a solenoid 19 for carrying out the lock and release operation of the locking arm. With the door lock mechanism additionally provided, the low-cost geared motor using a flat gear as a reduction gear is used as the drive motor for opening/closing a door, so that the cost is reduced while securing high safety.
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