FRICTION HINGE
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United States of America Patent
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N/A
Issued Date -
Mar 30, 2023
app pub date -
Feb 26, 2021
filing date -
Feb 26, 2021
priority date (Note) -
Published
status (Latency Note)
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Abstract
A hinge is provided for pivotally connecting a temple bar and the rims of eyeglass frame including: a first part with an upper flange where a first aperture provides a tight fit for a locking pin head section, and a lower flange provided with a recess for receiving the locking pin cylindrical body, a second part with a second aperture having a higher surface roughness than the locking pin cylindrical body, thereby having a higher surface friction between the bushing and the aperture than between bushing and the locking pin—a bushing with an inner opening, a locking pin having a head section and a cylindrical body The second part arranged with a bushing is inserted between the upper flange and the lower flange of the first part. The locking pin is inserted through the first aperture through the inner opening of the bushing and received in the recess.
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