Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Bridges
Patent
1994-03-22
1996-05-07
Sikes, William L.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Bridges
351130, 351133, G02C 502
Patent
active
055151167
ABSTRACT:
An interchangeable eyeglass lens system for sunglasses and other eyewear so that more than one pair of lenses can be used with a particular frame. Lenses particularly adapted for interchangeability and having concavities on the lens periphery for engaging fastener devices, such as studs and spring loaded detents on the frame, are included in the system. A complete system would have a pair of removable lenses, a frame having a nosebridge which can be removable also, and fasteners mounted on or within the frame or nosebridge for releasably holding the lenses in place on the frame by interengaging the concavities on the lenses. A removable nosebridge with antirotational device, and a spring loaded detent system adapted for use in the system are disclosed, as is a method of removably attaching a lens to the frame of the invention.
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Dwyer Patrick M.
Gargoyles, Inc.
Mai Huy
Sikes William L.
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