Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Connectors
Patent
1977-06-10
1979-12-11
Corbin, John K.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Connectors
16128A, 351121, G02C 522, G02C 514
Patent
active
041780817
ABSTRACT:
A hinge for connecting a temple to a spectacles frame front. One component of the hinge includes a metal fastening plate with spaced laterally extending ears forming a pair of hinge leaves between which an insert of plastic material is fitted. The insert covers innermost facing surfaces of the metal ears and is itself provided with an ear which forms an intermediate non-metallic leaf of the hinge component. When leaves of the one hinge component are interfitted with leaves of an all metal second hinge component, the resulting plastic-to-metal bearing surfaces afford smooth pivoting action with provision for tightening against drop temple.
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American Optical Corporation
Bovernick Rodney B.
Corbin John K.
Duggan Jeremiah J.
Schneeberger Stephen A.
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