| 摘要 |
FIELD: medicine.SUBSTANCE: group of inventions refers to face protection devices. A device comprises a closed space above a specified face region having a functional portion and a face adjoining portion, which are coupled together by means of one coupling segment or a number of coupling segments. One coupling segment or at least one of the number of the coupling segments is an adjustable coupling segment, which enables adjusting the side position of the face fitting portion in relation to the functional portion in the direction parallel with the user's facial surface.EFFECT: using the given group of inventions provides reliable operation and improves the wearing comfort for various face shapes.19 cl, 10 dwg |
