| 摘要 |
<p>VENDOR WITH DOOR AND SHELF INTERLOCK A vendor comprising a cabinet having a front door and shelves in the cabinet for holding items to be vended, the shelves being slidable into and out of the cabinet, the vendor having a door and shelf interlock for locking the shelves in vending position in the cabinet unless the door is opened far enough to enable the shelves to be pulled out for loading without striking the door, and for locking the door in open position unless all the shelves are slid in to their vending position, the interlock operating automatically on swinging the door to open position to lock the door in open position and to unlock the shelves, and operating automatically in pushing the shelves in to vending position to unlock the door, the shelves then being automatically lacked in vending position on swinging the door toward its closed position.</p> |
