| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lock structure which is composed of an engagement frame and an engagement protrusion, and capable of easily releasing lock. <P>SOLUTION: The lock structure comprises: a main body side engagement part 15 on which an engagement protrusion 18 is protrudingly formed on a peripheral wall 12 of a main body 5; and a lid body side engagement part 17 having an engagement frame 21 which is mounted on a lid body 7 and engaged with the engagement protrusion 18 to be locked. The lock structure has a side guide wall 25 which guides both sides of the engagement frame 21 and is protrudingly formed on the peripheral wall 12 at the both sides of the engagement protrusion 18, a front guide wall 27 connected to an end of a front part side 25a of the side guide wall 25, and a tool guide groove 29 which guides a tool 31 installed in the front guide wall 27 to release an engagement state between the engagement protrusion 18 and the engagement frame 21 to a front part 21a of the engagement frame 21. <P>COPYRIGHT: (C)2012,JPO&INPIT |
