US Patent 10274748 Mounting mechanism for eyewear

Eyewear can be provided that comprises at least one lens, at least one earstem, and a retention assembly that interconnects the lens with the earstem. The retention assembly can include an engagement protrusion attached to the lens and a coupling mechanism attached to an end of the earstem. The coupling mechanism can include a housing configured to receive the engagement protrusion and a lever mechanism being operative to move between open and closed positions for disengaging or engaging with the engagement protrusion.