Patent ID: 7014542
Filing Date: 2006-03-21
Classification: B24B

Abstract:
1. A cutter for making an optical lens, comprising a main member having a connector base at an end thereof to connect a cutting apparatus thereon and a grinding assembly at an end thereof opposite to the connector base; wherein the grinding assembly has two fixed devices having a cutting portion at a distal end thereof respectively and two movable devices neighboring to the fixed devices having a grinding portion at distal ends respectively, and the grinding portions are finer than the cutting portions, and the fixed devices and the movable devices are arranged for a circularity; an elastic member having opposite ends resting on the main member and the movable devices to urge the movable devices for movement along an axial orientation of the main member; a key provided between the movable device and the main member to restrict the movable device from movement, whereby the grinding portions of the movable devices are higher than the cutting portions of the fixed devices by the elastic member urging the movable devices outward and the key fixing the movable device thereat.