ABNORMALITY DETECTING DEVICE OF POWER TRANSMITTING MEANS, MOLDING APPARATUS, AND ABNORMALITY DETECTING METHOD OF POWER TRANSMITTING MEANS
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United States of America Patent
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Issued Date -
Mar 17, 2016
app pub date -
Sep 16, 2015
filing date -
Sep 16, 2014
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Abstract
An abnormality detecting device of power transmitting means comprises an electric motor; a converting mechanism that converts a rotary motion of the electric motor into a linear motion; a first detector that detects rotation of the electric motor; a second detector that detects the movement of the driving object at a predetermined position; a storage device for storing, as a reference value, a rotation amount of the electric motor which is detected at normal time by the first detector and which is at a time when detecting the driving object by the second detector; and a comparing device configured to compare a rotation amount of the electric motor which is detected by the first detector when the movement of the driving object is detected by the second detector, with the reference value.
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