Patent ID: 7686674

Claim:
A cup attaching apparatus for attaching a cup to an eyeglass lens, comprising: a lens mount on which the lens is to be mounted; at least three support pins provided on the lens mount to support the lens when a rear refractive surface of the lens is brought in contact with the support pins; a holding unit provided on the lens mount and adapted to hold the support pins so that a supporting plane defined by the support pins is inclineable, the holding unit including a mount base, a first ring member placed on the mount base to be swingable in a first direction, a second ring member placed on the first ring member to be swingable in a second direction perpendicular to the first direction, and shafts each having a distal end provided with each support pin; a lens clamp for clamping the lens in cooperation with the lens mount when the lens is mounted on the lens mount; at least three presser pins provided on the lens clamp to press the lens when a front refractive surface of the lens is brought in contact with the presser pins; a blocking unit including a cup holder and a blocking arm provided with the cup holder, the blocking unit being configured to attach the cup to the lens placed on the lens mount; and a locking unit adapted to inhibit the first and second ring members from swinging so as to lock the supporting plane in a substantially horizontal position when the lens is not clamped between the lens mount and the lens clamp and permit the first and second ring members to swing when the lens is clamped between the lens mount and the lens clamp.