Manual charging apparatus for vacuum interrupter
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United States of America Patent
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Jan 8, 2019
Grant Date -
Jun 29, 2017
app pub date -
Dec 23, 2016
filing date -
Dec 28, 2015
priority date (Note) -
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Abstract
A manual charging apparatus for a vacuum interrupter, including a motor for charging a closing spring mounted on a vacuum interrupter; a charging shaft configured to rotate by a rotational force of the motor; and a manual charging handle coupled to one end of the charging shaft and configured to manually rotate the manual charging handle, wherein the manual charging handle includes an insertion part formed in an cylindrical shape and inserted into one end of the charging shaft; an extension part vertically bent from the insertion part and extended to increase a revolution torque; and a handle part vertically bent from the extension part and configured to apply a manual operation force, and wherein the insertion part includes a rotation restriction means configured to restrict a rotation in one direction.
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