FIELD: medicine.
SUBSTANCE: invention relates to ophthalmic agents for universal application, namely to open protective glasses. Protective spectacles of open type include spectacled glass connected by hinged connection with temples. Glasses are made in the form of monoblock. Hinge has a fixed axis fixed between the upper and lower flanges located on the side parts of spectacled glasses, besides, the shelves form a groove with each other and additionally they are used to strengthen spectacled glasses. Temples in the temporal part are fixed in slots behind the axes fixed between the upper and lower shelves. Temporal portion participates in the hinge joint formation and is made with a stop, a recess and two projections of a cylindrical shape located next to the recess to limit the staple extreme positions and interacting with the L-shaped recess of the upper flange. Diameter of cut of stitches corresponds to diameter of fixed axis.
EFFECT: simplified design and increased operational reliability of glasses.
6 cl, 7 dwg
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