Caliper assembly for grinder
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United States of America Patent
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Sep 3, 1996
Grant Date -
N/A
app pub date -
Nov 23, 1994
filing date -
Nov 23, 1994
priority date (Note) -
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Abstract
A caliper assembly for a grinding apparatus includes a pair of spaced apart, moveable, caliper arms for measuring a dimension of a workpiece held in the grinding apparatus. The caliper arms are independently movable. Each has a dimension measuring probe for contacting a workpiece surface and measuring a dimension of the workpiece. An inspecting device located at an end of one caliper arm for inspecting characteristics of the workpiece surface is supported spaced from the dimension measuring probe and so that the surface inspecting device is located at a desired, fixed distance from the workpiece surface when the dimension measuring probe contacts the workpiece surface. The surface inspecting device is movably adjusted in accordance with the adjustments of the caliper arm so that the surface inspecting device is accurately located at a constant distance from the surface of the workpiece. In one embodiment, the inspecting device is on the inward facing surface of one of the caliper arms. In another embodiment, the inspecting device is on the outward facing surface of one of the caliper arms.
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