公开(公告)号：US20210330998A1

公开(公告)日：2021-10-28

申请号：US17227390

申请日：2021-04-12

Applicant: KUO-LIN LIN

Inventor： KUO-LIN LIN

IPC: A62B9/06 ,  A41D13/11 ,  A62B18/02 ,  A62B18/08

Abstract: The headgear includes a head piece with a front opening and a bottom opening fringed with a first strap. Two flat ear pieces are provided respectively and oppositely on two lateral sides of the head piece, each having an outward extended hook element. An eye piece and a mouth piece respectively seal an upper portion and a lower portion of the front opening. An upper rim of the mouth piece is joined to a lower rim of the eye piece. Two second straps run around the head piece, where two ends of an upper one and a lower one respectively join the four corners of the mouth piece. A sound amplifier is fixed to the mouth piece to facilitate wearer's verbal communication. The head piece may be made of PE for reducing cost and discomfort. An addition mask may be fastened to the ear pieces to enhance protection.