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. 26, 2025
Filed:
Apr. 15, 2025
Shandong University, Jinan, CN;
Jinfu Zhao, Jinan, CN;
Zhanqiang Liu, Jinan, CN;
Bing Wang, Jinan, CN;
Tianxiang Han, Jinan, CN;
Wenjing Song, Jinan, CN;
Qinghua Song, Jinan, CN;
Yukui Cai, Jinan, CN;
Xiaoliang Liang, Jinan, CN;
Xiaoping Ren, Jinan, CN;
SHANDONG UNIVERSITY, Jinan, CN;
Abstract
A lightweight vibration damping cutting tool bar includes a tool body, on which a plurality of cavities are opened along the length direction, and the cutting tool body between adjacent cavities have a BCC lattice structure, the closed magnetic pole device includes a plurality of magnetic pole pieces located at the bottom and side walls of the cavity respectively; the pendulum damper is placed inside the closed magnetic pole device composed of a plurality of magnetic pole pieces, the outer surface of the pendulum damper is provided with a magnetic pole patch corresponding to each magnetic pole piece one by one, the magnetic pole patch is set relative to the side with the same polarity of each magnetic pole piece, so that the magnetic force of each magnetic pole piece and the magnetic force of the corresponding magnetic pole patch are repelled.