B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
51/22
B24B 7/24 (2006.01)
Patent
CA 1116862
TRUING DEVICE FOR LENS BEVELING WHEELS Abstract of the Disclosure 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.
347816
Stern Theodore J.
Youman Robert I.
Ait Industries Inc.
Macrae & Co.
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