| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fastening string length adjuster of a mask, which can be attached to a fastening string even after the fastening string is attached to a mask body and in which the fastening string does not come off from a locking slit when adjusting the effective length of the fastening string. <P>SOLUTION: An introducing hole 33 for introducing the elastically deformable fastening string, the first guide slit 34 whose right end communicates with the introducing hole 33 and which guides the fastening string in the introducing hole 33 to the first locking slit 38 and extends in a lateral direction, and the second guide slit 36 whose left end communicates with the introducing hole 33 and which guides the fastening string in the introducing hole 33 to the second locking slit 44 and extends in a lateral direction are arranged in a body part 32, the left end of the first guide slit 34 communicates with the middle part of the first locking slit 38 in a longitudinal direction and the first locking slit locks the fastening string from the first guide slit 34, the right end of the second guide slit 36 communicates with the middle part of the second locking slit 44 in a vertical direction and the second locking slit locks the fastening string from the second guide slit 36. <P>COPYRIGHT: (C)2012,JPO&INPIT |
