The buckle of the swimming mask includes a front end portion attached to a connecting unit, a rear end portion including an insertion portion in which the head strap is inserted, and an intermediate portion between the front end portion and the rear end portion. The wound portion around which the head strap is wound in the reversible manner is disposed in the intermediate portion.
Swimming mask
2024-02-27
Patent
Electronic Resource
English
IPC: | B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen |