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US 8,783,862 B2Granted
Eyewear having a flexural member
Assignee3M Innovative Properties Company
InventorsSolomon Marini, Paul A. Martinson, Laurent Froissard, Glen E. Stanley
Life of this patent
Estimating the term…
Abstract
An eyewear article having a flexing portion including first and second longitudinally disposed ribs is disclosed. In another exemplary embodiment, the flexing portion has a maximum height (H), in a direction parallel to a mid-sagittal plane bisecting the eyewear into imaginary left and right halves, that is greater than 10 mm. The eyewear article of the present invention provides a balance of fit and comfort suitable for a range of user head sizes.
Claims20
An eyewear article, comprising:
- a temple piece extending rearwardly from a front of an eyewear article having a flexing portion having a maximum height (H) in a direction parallel to a mid-sagittal plane, the mid-sagittal plane bisecting the eyewear article into imaginary left and right halves;
- wherein the flexing portion comprises first and second longitudinally disposed ribs each having first inner surfaces that form an angle θ1 when the temple piece is in an unflexed state and that form an angle θ2 when in a flexed state, and wherein θ1<θ2 and H>10 mm.
Dependencies are inferred from the claim text.