Enclosed spring bridge mechanism for clip-on sunglasses
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 16, 2001
Issued Date -
N/A
app pub date -
Oct 31, 2000
filing date -
Jan 10, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The clip-on sunglass assembly mounts on eyeglasses and has mirror image frame parts. Each includes a lens retaining frame portion with a set of protruding 'L' shaped eyeglass engaging prongs and a bridge element. A mechanism is provided for connecting the bridge elements for movement between a proximate position, where the frame parts are relatively close to each other, and a remote position, where the frame parts are relatively far from each other. The connecting mechanism includes at least one coil spring situated within a cylindrical enclosure. The frame parts are normally biased toward each other by the spring such that the prongs securely engage the eyeglass frame. In one preferred embodiment, the enclosure has an open end which receives the bridge element of one frame part. The spring is operably situated between the enlarged end of the bridge element and the interior wall of the enclosure, adjacent the open end. In another preferred embodiment, separate springs and enclosures are provided for each bridge element. Each bridge element is fixed to the wall of the adjacent enclosure. A connecting bridge element extends between the enclosures. Within each enclosure, a spring is situated between the enlarged end of the connecting element and the enclosure wall.
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