US 12,461,330 B2
Eye relief adjustment mechanism and headset display device including eye relief adjustment mechanism
Robert Coleman Skelton, Woodinville, WA (US); and Brett Delainey Christie, Seattle, WA (US)
Assigned to Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed by Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed on Dec. 19, 2022, as Appl. No. 18/068,000.
Claims priority of provisional application 63/380,588, filed on Oct. 24, 2022.
Prior Publication US 2024/0134145 A1, Apr. 25, 2024
Int. Cl. G02B 7/04 (2021.01)
CPC G02B 7/04 (2013.01) 19 Claims
OG exemplary drawing
 
1. An adjustment mechanism for adjusting an eye-to-lens distance of a headset display device, the adjustment mechanism comprising:
an adjustment wheel rotatable by a user and including an internal bevel gear ring configured to rotate about a first axis;
a pinion gear meshed with the internal bevel gear ring and configured to rotate about a second axis, in response to the internal bevel gear ring being rotated about the first axis;
a screw fixed to the pinion gear and configured to rotate together with the pinion gear to move a forehead pad of the headset display device; and
a threaded member disposed in a forehead pad frame supporting the forehead pad, wherein a threaded member receives the screw and is configured to move along the screw to move the forehead pad frame in response to the screw being rotated.