Screw connection for hinge parts

Spectacle frame with arms which can be opened out resiliently

Split-pin hinge with wire extending therethrough

Spring biased hinge for spectacle frames

Spring hinge

Spring hinge

Spring hinge

Spring hinge

Spring hinge for eyeglasses

Spring hinge for glasses

Spring hinge for glasses

Spring hinge for spectacles

Spring hinge for spectacles

Spring hinge using clutch structure for eyeglasses

Spring hinges

Spring-action hinge for spectacle frame

Spring-biased hinge assembly for spectacles

Spring-loaded hinge

Spring-loaded hinge