US 12,013,593 B2
Lens retention system
David Munn, Irvine, CA (US); and Michael Peters, Irvine, CA (US)
Assigned to Fox Head, Inc., Irvine, CA (US)
Filed by Fox Head, Inc., Irvine, CA (US)
Filed on Dec. 13, 2019, as Appl. No. 16/714,487.
Claims priority of provisional application 62/886,336, filed on Aug. 13, 2019.
Prior Publication US 2021/0048684 A1, Feb. 18, 2021
Int. Cl. G02C 1/00 (2006.01); A61F 9/02 (2006.01)
CPC G02C 1/10 (2013.01) [A61F 9/025 (2013.01); A61F 9/026 (2013.01); G02C 2200/08 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An eyewear system configured to be worn by a wearer comprising:
a first lens having a first thickness;
a second lens having a second thickness different from the first thickness; and
a frame comprising:
a lens opening defined by an upper frame portion, a lower frame portion, a first lateral side portion, and a second lateral side portion, the lens opening configured to extend across both eyes of the wearer; and
a groove surrounding the lens opening, the groove configured to interchangeably receive and secure the first lens or the second lens within the lens opening, wherein the groove comprises
a first lens receiving portion configured to receive the first lens, the first lens receiving portion having an outer groove wall and an intermediate groove wall defining a first width extending from the outer groove wall to the intermediate groove wall and a first platform having a first depth defined by the length of the outer groove wall, the first depth and the first width defining a first receiving volume; and
a second lens receiving portion configured to receive the second lens, the second lens receiving portion having the outer groove wall and an inner groove wall defining a second width extending from the outer groove wall to the inner groove wall and a second platform having a second depth defined by the length of the inner groove wall, the second depth and the second width defining a second receiving volume,
wherein the first depth is greater than the second depth, wherein the first width is equivalent to a thickness of the first lens and less than the second width, the second width is equivalent to a thickness of the second lens, and the first receiving volume at least partially overlaps with the second receiving volume.