FLATNESS DETECTOR
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United States of America Patent
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Issued Date -
Mar 28, 2019
app pub date -
Dec 11, 2017
filing date -
Dec 11, 2017
priority date (Note) -
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Abstract
A flatness detector includes a positioning plate, a positioning assembly arranged on a top surface of the positioning plate, a dial indicator arranged on the positioning assembly, and a sliding block. The positioning assembly includes a first positioning rod and a second positioning rod perpendicularly coupled together and pin-jointed. The dial indicator includes a detecting post maintained as a plumb line by the positioning assembly. The sliding block defines a groove for conforming to the detecting post. A measurement value of the dial indicator is obtained when the groove of the sliding block is conformed to the detecting post.
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