Patent ID: 6625893
Filing Date: 2003-09-30
Classification: B24B

Abstract:
A template holder comprising:a template mounting member having a template engaging portion which engages a template formed in a lens shape of a glasses lens, the template having a holding hole; a holder main body, by which the template mounting member is detachably held, and which is detachably mounted to a lens shape measuring apparatus; a template restraining member, which is movably held by the template mounting member, and which is inserted into the holding hole; and an operating member for moving and operating the template restraining member, in which the template is held via the template restraining member by operating the operating member, wherein the operating member and the template restraining member are held by the template mounting member when said template is attached and detached, wherein the template restraining member is an elastic strut to be inserted into the holding hole of the template, and the operating member is a pressing strut which causes the elastic strut to abut upon the holding hole under pressure by pressing the elastic strut to enlarge a diameter thereof for thereby moving an outer peripheral surface of the elastic strut to an inner peripheral surface side of the holding hole, wherein the pressing strut has a threaded shaft, which penetrates the elastic strut in an axial direction and which is threadably attached to the template mounting member in such a manner as to be freely back-and-forth movable within a predetermined range in the axial direction; and wherein an operating knob is provided at a protruded end portion of the threaded shaft and is caused to abut upon the elastic strut.