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US Patent 7798637 High-amplitude elastic hinge element for eyeglass frame

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Patent
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Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
77986370
Patent Inventor Names
Guido Medana0
Date of Patent
September 21, 2010
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Patent Application Number
124471020
Date Filed
October 1, 2007
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Patent Primary Examiner
‌
Huy K. Mai
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Patent abstract

An elastic hinge member (10) for spectacles rims, includes a guiding area (22), a slide (30) having a guided part (32) cooperating with the guiding area (22) and a knuckle (31) and a return spring (40). The spring (40) has a compressibility that is sufficient for allowing the guided part (32) to come out of the guiding area (22), and the slide (30) can pivot about the longitudinal axis thereof in order to remain blocked in an “out-blocked” position that facilitates the assembling or disassembling operations of the knuckle with a spigot.

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