Patent ID: 7150672
Filing Date: 2006-12-19
Classification: B24B

Abstract:
1. A cup attaching apparatus for attaching a cup, used during processing of an eyeglass lens, to the lens, the apparatus comprising: a cup; a placing portion onto which the lens is placed; a holding portion for detachably holding the cup; a supporting portion for supporting the holding portion; a moving mechanism for moving the supporting portion in an optical axis direction of the placed lens, the moving mechanism including a pressing portion that is movable relative to the supporting portion in the optical axis direction and to which a pressing force for moving the supporting portion in the optical axis direction is applied; and pressure regulating means for preventing a cup attaching force from exceeding a first predetermined force, the pressure regulating means including a deformable member that is provided between the pressing portion and the supporting portion and that is deformed when the pressing force exceeding a second predetermined force is applied to the pressing portion, and adjusting means for adjusting an initial deforming force of the deformable member.