Patent ID: 6350190
Filing Date: 2002-02-26
Classification: B23Q,B24B,G02C

Abstract:
A template holder that is used in measurement of a target shape of an eyeglass lens and that attaches at least one of a template and a dummy lens thereon, the holder comprising:a template attaching portion including: a template placement portion, on which positioning pins to be inserted into small holes of the template are disposed, for placing the template along a measurement plane; a support shaft to be inserted into a central hole of the template, the support shaft being movable relative to the template placement portion to slide the template on and along the measurement plane; urging means for urging the support shaft to be moved in an urging direction; and moving means for moving the support shaft in a direction opposite from the urging direction against a urging force of the urging means when the template is to be attached or detached; and a holding arm holding the template attaching portion.