| 摘要 |
PROBLEM TO BE SOLVED: To provide a door opening/closing structure which does not require to pass a knob from one hand to the other and can smoothly open/close the door and also which does not require a structure and parts for locking at the inside of the door even when the door is necessary to be locked. SOLUTION: The door opening/closing structure to open/close a door 5 which is turnable around a support shaft 11, is provided with a knob mounting part 6 turnable around a shaft 7 parallel to the support shaft 11 of the door 5 and knobs 1, 2 provided at both sides sandwiching the knob mounting part 6. When one knob 21 is attached to the knob mounting part 6, the door 5 can be opened/ closed only from the side where the knob is fitted and it can be recognized at a glance from the side where the knob is attached, that the door 25 is locked. COPYRIGHT: (C)2003,JPO
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