CAGE CAPABLE OF REGULATING THE ANGLE OF CONTACT BETWEEN SPINES

摘要

PURPOSE: A cage capable of contact angle adjustment is provided to facilitate the insertion of the cage after removal of a weight. CONSTITUTION: A cage capable of contact angle adjustment comprises: a fixed member(110) in which a rack gear is fixed; a movable member(120) which is movable against the fixed member and in which a pinion box geared with the rack gear is installed; a lower variable member(130) which comes into contact with the lower support protrusion formed in the bottom part of the fixed member; and an upper variable member(140) comes into contact with the upper support protrusion formed in the upper part of the movable member.