Patent ID: 8502965
Filing Date: 2013-08-06
Classification: G03B

Abstract:
1. A lens eccentricity measurement device, comprising: a support portion for supporting a lens, the support portion comprising a plurality of gear teeth and a first through hole, wherein the gear teeth are positioned on a circular edge of the support portion, and wherein the first through hole is defined in the support portion; an eccentricity detector positioned above the lens for measuring eccentricity of the lens; a driving device comprising a driving mechanism and a motor, wherein the motor rotates the driving mechanism and the driving mechanism cooperates with the gear teeth; a vacuum absorption device comprising an air pipe and a vacuum generation element, wherein the vacuum generation element removes air from the air pipe; a clamping device comprising a first clamping element and a second clamping element, wherein the first clamping element cooperates with the second clamping element to locate and fix the lens; and a rotatable pole comprising a second through hole, the rotatable pole supporting the support portion.