Patent ID: 11912381
Assignee: TABATA CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A swimming mask having a front-back direction and a lateral direction, the swimming mask comprising:
a mask body having a lens frame and a skirt extending rearward from the lens frame;
a buckle attached to a connector disposed on at least one of both sides of the mask body; and
a head strap configured to be connected to the mask body via the buckle,, wherein
the buckle and the head strap are connected by a ratchet mechanism including a plurality of engagement teeth of the buckle and a plurality of engagement recesses of the head strap,
the buckle includes:
a front end portion attached to the connector,
a rear end portion including an insertion portion in which the head strap is inserted,
an intermediate portion between the front end portion and the rear end portion,
a stopper including:
a wound portion around which the head strap is wound in a reversible manner, and
the plurality of engagement teeth configured to be engaged with the plurality of engagement recesses of the head strap, and

an operator configured to operate the stopper for length adjustment of the head strap, and

the stopper is disposed inside the intermediate portion and is not exposed outside.