The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 2022
Filed:
Aug. 07, 2019
Hitachi High-tech Corporation, Tokyo, JP;
HITACHI HIGH-TECH CORPORATION, Tokyo, JP;
Abstract
Stable operation of an ultrasonic vibrator of an ultrasonic cleaner and scattering prevention of a washing liquid are provided. The ultrasonic cleaner includes a washing tankin which a washing liquid is reserved; an ultrasonic vibratora vibration headprovided with a neckextended from the ultrasonic vibrator to the washing tank and a tip end portionhaving a cylindrical holewhose longitudinal direction is oriented to a perpendicular direction; and a first coverhaving an opening corresponding to the neck and the cylindrical hole, in which the first cover is arranged to a height in contact with a liquid surface of the washing liquid such that it covers the washing tank.