MAGNETIC ENCODER AND PRODUCTION METHOD THEREFOR
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United States of America Patent
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app pub date -
Oct 7, 2015
filing date -
Apr 9, 2013
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Abandoned
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Abstract
A magnetic encoder is a magnetic encoder including a core metal and a multipolar magnet provided on the core metal and having magnetic poles formed alternately in a circumferential direction. The core metal includes an inner diameter cylindrical portion, an upright plate portion extending from one end of the inner diameter cylindrical portion toward an outer diameter side, and an outer diameter cylindrical portion extending axially from an outer diameter side end of the upright plate portion; the multipolar magnet is integrally molded on an annular portion, of the core metal, extending over the upright plate portion and the outer diameter cylindrical portion, by insert-molding such that an end surface of the outer diameter cylindrical portion is embedded; and a gap between the core metal and the multipolar magnet is filled with a sealing agent.
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