| 摘要 |
A respirator mask device includes a frame unit, a mask shell connected pivotally to the frame unit, a mask cushion secured to the mask shell, an adjusting unit operable for adjusting relative position between an upper end of the mask shell and the frame unit, two connecting pieces disposed respectively on left and right sides of a lower end of the frame unit and connected pivotally to the mask shell, two first engaging members disposed respectively on the left and right sides of the lower end of the extension frame, and a head strip unit. The head strap unit includes a strap body, and two second engaging members disposed on the strap body and connected respectively and removably to the first engaging members. |
| 主权项 |
1. A respirator mask device comprising:
a frame unit including a forehead frame, and an extension frame extending downwardly from said forehead frame; a mask unit including a mask shell connected pivotally to said extension frame, and a mask cushion secured to said mask shell; an adjusting unit operable for adjusting relative position between an upper end of said mask shell and said extension frame, said adjusting unit including an adjustment plate disposed on said upper end of said mask shell, a plurality of positioning holes formed in said adjustment plate, and an insert member disposed on said extension frame and inserted removably into a selected one of said positioning holes so as to position said upper end of said mask shell relative to said extension frame; a connecting unit including two connecting pieces disposed respectively on left and right sides of a lower end of said extension frame and connected pivotally to said mask unit, and two first engaging members disposed respectively on said left and right sides of said lower end of said extension frame; and a head strap unit including a strap body, and two second engaging members disposed on said strap body and connected respectively and removably to said first engaging members. |
