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:
Sep. 08, 1992
Filed:
Jan. 28, 1991
Yuji Miwa, Chita, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
In an ultrasonic machine including an ultrasonic horn connected with a piezoelectric transducer and a machining liquid passage, a tool mounted on the ultrasonic horn and provided with a bore inside thereof that communicates with the machining liquid passage, the ultrasonic machine comprising: a fixed side member fixed to the machining body and having a machining liquid supply passage, an annular groove; a horn communication passage communicating with the machining liquid passage; a first thin portion provided near the opening; a pressure chamber drop means provided near the first thin portion; a drain provided in the fixed side member and communicating with the pressure chamber drop means; a second thin portion provided near the pressure chamber drop means; and an air supply passage provided in the fixed side member and communicating with the second thin portion. In the ultrasonic machine, the ultrasonic horn and the fixed side member remains separated to ensure a high-speed rotation and machining liquid does not leak spattering around the tip of the tool.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile