TRUING DEVICE FOR LENS BEVELING WHEELS

摘要

TRUING DEVICE FOR LENS BEVELING WHEELS In combination with an apparatus for grinding the peripheries of eyeglass lenses, the apparatus being of a type having a rotary work holder for carrying a lens into engagement with a groove in a rotary grinding wheel for grinding a bevel on the periphery of the lens, a truing device is provided which is carried by the work holder and has an outer peripheral surface engageable within the groove to reform the groove to a predetermined configuration after it has been worn to a different configuration in the grinding of lenses.