| 摘要 |
PROBLEM TO BE SOLVED: To provide a crescent capable of moving in an open/close direction of a double sliding window or the like with respect to a frame by a limited movement amount in a locking state that a hanger of a crescent is engaged with a hook part receiver.SOLUTION: The crescent includes: a first housing; and second housing. The second housing is fixedly attached to a frame, and the first housing is supported movably within a range of a predetermined distance with respect to the second housing. The crescent includes: a shaft which is fixed to a plane of the first housing; and a rotation part which rotates about the shaft. The rotation part has a hooking piece and a handle for rotating the rotation part about the shaft.SELECTED DRAWING: Figure 1 |
