Construction of non-optical parts

GPHYSICS G02Optics G02CSPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES CONTACT LENSES

G02C5/00Construction of non-optical parts

G02C5/001specially adapted for particular purposes, not otherwise provided for or not fully classifiable according to technical characteristics G02C5/003Shooting or aiming glasses G02C5/005Glasses allowing access to one eye G02C5/006Collapsible frames G02C5/008Spectacles frames characterized by their material, material structure and material properties G02C5/02Bridges Browbars Intermediate bars G02C5/04with adjustable means G02C5/045for varying the horizontal distance of the lenses G02C5/06with resilient means G02C5/08foldable G02C5/10Intermediate bars or bars between bridge and side-members G02C5/12Nose pads Nose-engaging surfaces of bridges or rims G02C5/122with adjustable means G02C5/124for vertically varying the position of the lenses G02C5/126exchangeable or otherwise fitted to the shape of the nose G02C5/128Pince-nez G02C5/14Side-members G02C5/143having special ear pieces G02C5/146having special front end G02C5/16resilient or with resilient parts G02C5/18reinforced G02C5/20adjustable G02C5/22Hinges G02C5/2209Pivot bearings and hinge bolts other than screws G02C5/2218Resilient hinges G02C5/2227comprising a fixed hinge member and a coil spring G02C5/2236comprising a sliding hinge member and a coil spring G02C5/2245comprising a sliding box containing a spring G02C5/2254comprising elastic means other than coil spring G02C5/2263Composite hinges G02C5/2272Hinges without well-defined pivot axis G02C5/2281Special hinge screws G02C5/229Oblique hinge axis