| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a locking mechanism capable of favorably maintaining the locked state of a locked member by a locking member even when a part of constitutional parts is broken. <P>SOLUTION: A forced regulating means 60 to forcibly regulate displacement of a lock bar 40 from a forced regulating position to a releasing position when the lock bar 40 reaches a specified position (forced regulating position) exceeding a regulating position is provided. This forced regulating means 60 is constituted by furnishing a cutout part 62 provided on the lock bar 40 and an engaging spring 61 provided on a projected part 43 of a guide bar 13a and to be engaged with the cutout part 62 of the lock bar 40 when the lock bar 40 reaches the forced regulating position. <P>COPYRIGHT: (C)2004,JPO</p> |
