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:
Nov. 25, 2025
Filed:
Apr. 19, 2024
Nhk Spring Co., Ltd., Yokohama, JP;
Ryo Kuwata, Yokohama, JP;
Gaku Nashimoto, Yokohama, JP;
Tatsuhiko Nishida, Yokohama, JP;
Mikio Arai, Yokohama, JP;
Hiroshi Nakayama, Yokohama, JP;
Isamu Kuchiwaki, Yokohama, JP;
NHK SPRING CO., LTD., Yokohama, JP;
Abstract
A head driving device includes a base member, a head supporting member, a beam member, a piezoelectric unit, and a reinforcement member. The reinforcement member includes a first portion and a second portion. The first portion is arranged between a first end portion in a length direction of a head member and the base member. The second member is arranged between a second end portion in a length direction of the head member and the base member. The reinforcement member allows the head supporting member to move in a direction along a surface of tape and controls the head supporting member from moving in a thickness direction of the head member.