Device for recalibrating a machine for grinding ophthalmic glasses
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United States of America Patent
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-
Nov 10, 1992
Grant Date -
N/A
app pub date -
Mar 20, 1990
filing date -
Mar 23, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a method employed by the device, the distance between a shaft (14) of a grinding wheel (13) and a shaft (5) carrying a finished glass (7) in contact with the grinding wheel, is measured by means of a microprocessor (18) controlling a shifting device (11), by bringing a tracer member (9) in contact with a template (8) mounted on the shaft (5), a standard disk (20) being mounted on the shaft (14) coaxial with the grinding wheel (13) for measuring the distance between the shaft (14) and the shaft (5) by bringing the standard disk in contact with the finished glass.
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