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:
Feb. 16, 2021
Filed:
Oct. 24, 2017
National Chung Hsing University, Taichung, TW;
Jenq-Shyong Chen, Taichung, TW;
Hao-Tang Wang, Taichung, TW;
NATIONAL CHUNG HSING UNIVERSITY, Taichung, TW;
Abstract
A machining device is adapted to be provided on a mount provided with a toolholder. The toolholder is controllable to rotate and is adapted to be engaged with a tool. A primary coil engaged with the toolholder includes a first ferrite core and a first coil assembly detachably engaged with the first ferrite core. The first coil assembly is modular molded, and is adhered to be an annular body having a first hollow portion. A piezoelectric actuator is electrically connected to the primary coil to drive the tool to vibrate. The secondary coil includes a second ferrite core and a second coil assembly detachably engaged with the second ferrite core. The second coil assembly is modular molded to be an annular body having a second hollow portion.