| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a handle device which is locked after an opening/closing door is once closed, prevents the opening/closing door from being opened unless a specified key is inserted, and is less easily broken from the outside. SOLUTION: By inserting a specified key in a lock and turning it with an opening/closing door closed, a lock plate 34 to regulate the push action of a push button 27 is turned around a shaft to unlock the push button 27, this unlocking is maintained by a detent spring, the lock plate 34 is moved to the position to regulate the push operation of the push button 27 by the automatic return action of the bush button 27 following the push operation of the push button 27 to open the opening/closing door, and the opening/closing door is maintained at this position by the detent spring. After the opening/closing door is opened, and then, closed, it is automatically locked.</p> |
