Ultrasonic vibration application tool and ultrasonic processing device
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United States of America Patent
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Oct 19, 2021
Grant Date -
Nov 21, 2019
app pub date -
Feb 9, 2018
filing date -
Feb 10, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
An ultrasonic vibration application tool equipped with a Langevin type ultrasonic vibrator which is suitably employable for ultrasonic processing devices and which efficiently generates ultrasonic vibration includes: a cylindrical housing having a contact face on a lower or bottom part of an inner surface thereof, and a lower screw part of an outer surface thereof; a bolted Langevin type ultrasonic vibrator comprising a front mass, a rear mass and a polarized piezoelectric element arranged between both masses, in which the front mass comprises a cylindrical tool-holder and a disc-shaped bulging part provided with a contact face for fitting to the contact face of the housing; and a ring-shaped counterweight having an upper screw part on an inner peripheral surface which is screwed with the screw part of the housing.
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