Patent ID: 7309278

Claim:
A lens presser comprising: a base member which is to be attached to a distal end of a lens chucking shaft; an abutting member which has an abutting surface which is to be abutted on a rear refractive surface of the lens; a movable member to which the abutting member is to be attached; a circular-arc-shaped concave portion which is formed in one of the base member and the movable member and has a radius center of a circular arc on a central axis of the chucking shaft; and a circular-arc-shaped convex portion which is formed in the other of the base member and the movable member and has a radius center of a circular arc on a central axis of the chucking shaft in the state where the base member, the movable member and the abutting member are assembled to the chucking shaft, wherein the convex portion is fitted into the concave portion so as to slide in a direction of the circular arc, and the movable member is tiltable with respect to the base member wherein the concave portion and the convex portion have the radius centers of the circular arcs, which correspond to a tilting center of the movable member, in the vicinity of the abutting surface of the abutting member in a state where the base member, the movable member, and the abutting member are assembled to the chucking shaft, respectively.