Patent ID: 8875346
Filing Date: 2014-11-04
Classification: G02C,Y10T

Abstract:
1. An eyewear with a front portion and two earstems, each earstem being joined to the front portion by a respective hinge, the eyewear comprising: a plurality of hubs, each hub comprising a cylindrical tubular body with a sidewall extending between a pair of openings to form an inner hub channel; each respective lateral side of the eyewear comprising: wherein in each respective hinge of the eyewear, the sidewall of the hub comprises upper and lower edges, and first and second retaining portions at opposed ends of the hub, wherein the retaining portions comprise inner and outer surfaces, the outer surface of the first retaining portion at the upper edge of the hub being vertically aligned with the outer surface of the second retaining portion at the lower edge of the hub, and the inner surface of the first retaining portion at the upper edge of the hub being vertically aligned with the inner surface of the second retaining portion at the lower edge of the hub, the retaining portions axially retaining the hub through an interference fit between the first retaining portion and the first rotational element without a pin received in the inner hub channel, and between the second retaining portion and the third rotational element, wherein a third portion of the hub between the first retaining portion and the second retaining portion is configured to be received by and form a clearance fit with the second rotational element.