Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Bridges
Patent
1981-05-27
1983-03-22
Corbin, John K.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Bridges
351113, 351114, G02C 516, G02C 506
Patent
active
043773281
ABSTRACT:
This invention concerns a frame for spectacles comprising one or more flexible elements fitted between parts of the front and of the sides, in order to make the frame itself highly adaptable to the anatomy of the face; said flexible elements comprise a helical spring and two pins, one end of which engages with said spring whereas the opposite end is secured to said parts of the front and of the sides; the threaded ends of said pins are equal in diameter to the internal diameter of said spring and have a pitch equal to the pitch of the coils of said spring, while their combined length is less than the length of said spring.
REFERENCES:
patent: 808412 (1905-12-01), Ward
patent: 1001734 (1911-08-01), Day
patent: 1082480 (1913-12-01), Cutler
patent: 1129950 (1915-03-01), Brennecke
patent: 1180701 (1916-04-01), Day
patent: 1210038 (1916-12-01), Brennecke
patent: 1663402 (1925-10-01), Engel
patent: 3813152 (1974-05-01), Hampel
Bovernick Rodney
Corbin John K.
European Optics S.p.A.
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