Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent
1995-12-22
1997-06-17
Dang, Hung X.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Folding
351 41, 2454, G02C 508
Patent
active
056402180
ABSTRACT:
Spectacles accommodated in a flat case comprise an auxiliary temple member pivoted to the outer end of upper side of a lens frame and a main temple member pivoted to a free end of the temple member, the temple members being folded generally in the same plane as the lens frame and prepared from a light metal. The main temple member is provided at its outer end with an earpiece prepared from an easily elastically deformable synthetic resin and having an ear-engaging bent portion at the earpiece outer end. The spectacles can be worn by the user with good stability by engaging the bent portion on the ear from above. The case has a small height H.sub.0 less than the bend height H of the bent portion and corresponding to the overall thickness of the lens frame and the auxiliary temple member as folded. The earpiece is made of the easily elastically deformable resin, so that when a lid of the case is closed with the temple members folded in the same plane as the lens frame for encasing, the earpiece is moved along the case bottom and elastically deformed by being pushed by the lid, whereby the spectacles are accommodated in the flat case.
REFERENCES:
patent: 4655564 (1987-04-01), Czech
patent: 4740069 (1988-04-01), Baum
patent: 4776686 (1988-10-01), Stanley
patent: 4820035 (1989-04-01), Kanda
patent: 4955708 (1990-09-01), Kahaney
Dang Hung X.
Kanda Optical Co., Ltd.
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