Patent ID: 6530156
Filing Date: 2003-03-11
Classification: B24B

Abstract:
A target lens shape measuring device for measuring a target lens shape of an eyeglass lens, comprising:first fixing means for fixing an eyeglass frame at a first predetermined position; second fixing means for fixing a template at a second predetermined position; a frame measuring unit held by a rotating base, the frame measuring unit including a first moving base that is movable in a radius vector direction of a lens frame of the fixed eyeglass frame, a second moving base that is held by the first moving base and is movable in a vertical direction, and a frame feeler that is attached to the second moving base and is contactable with a frame groove of the lens frame; and a template measuring unit including a third moving base that is held by the first moving base and is movable in the vertical direction, a template feeler that is attached to the third moving base and is connectable with a periphery of the fixed template, a motor that is disposed fixedly on the rotating base, and a transmitting mechanism that transmits driving power of the motor to move the third moving base, wherein the third moving base is disconnected from the transmitting mechanism and is retained at a height of the measuring position when the template feeler moves upward and reaches the measuring position.