| 摘要 |
PROBLEM TO BE SOLVED: To secure excellent operability while securing desired water tightness and airtightness without spoiling appearance quality.SOLUTION: A lock device includes a hook energizing spring 423 which always energizes a hook member 42 in a direction of a non-engagement attitude, and a lock member 43 which keeps the hook member 42 in an engagement attitude against energizing force of the hook energizing spring 423 when arranged at a position of engagement with the hook member 42 while the hook member 42 is arranged in the engagement attitude, and allows the hook member 42 to move into the non-engagement attitude when arranged at a position of non-engagement in which the engagement with the hook member 42 is removed. The lock member 43 is arranged movably to and away from the hook member 42 along the axis of rotation of the hook member 42, the lock member 43 shifts in position to and away from the lock member 42 along the axis of rotation of the hook member 42 to be switched between the engagement position and non-engagement position, and a release lever 44 is further provided which moves the lock member 43 to and away from the hook member 42. |
