Back to results
US 2011/0255079 A1Published application
Auxiliary device for helping to measure coaxiality of lenses
AssigneeHon Hai Precision Industry Co., Ltd.
InventorTSUNG-YU LIN
Life of this patent
Estimating the term…
Abstract
An auxiliary device for measuring the coaxiality of a lens. The auxiliary device includes a cylindrical main body having a first surface and a flat second surface facing away the first surface, and a protrusion formed on the first surface and defining a reference convex surface. The second surface of the main body defines a position part. The position part is coaxial with the reference convex surface and configured to engage with the lens to measure the coaxiality of the lens.
Claims3
An auxiliary device for measuring the coaxiality of a lens, the auxiliary device comprising:
- a cylindrical main body comprising a first surface and a flat second surface facing away from the first surface, and
- a protrusion positioned on the first surface and defining a reference convex surface;
- wherein the second surface of the main body defines a position part, the position part is coaxial with the reference convex surface and configured to engage with the lens to measure the coaxiality of the lens.
Dependencies are inferred from the claim text.