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. 13, 2019
Filed:
Sep. 27, 2016
Nidec Copal Corporation, Tokyo, JP;
Yoshinori Katada, Tokyo, JP;
Shin Odajima, Tokyo, JP;
Shiori Ishii, Tokyo, JP;
Noboru Segawa, Tokyo, JP;
Nidec Copal Corporation, Tokyo, JP;
Abstract
This abstract replaces all prior versions of abstract in the application. The linear vibration motor comprises a movable element that is equipped with a magnet portion and a weight portion; a frame that contains the movable element; a coil that is secured to the frame and that drives the magnet portion along an axial direction; an elastic member that is disposed within the frame and that applies, to the movable element, an elastic force that repels the driving force that is applied by the magnet portion; and a guide shaftthat is borne on the frame and that guides reciprocating motion of the movable element along the axial direction, wherein: the elastic member rotationally biases the movable element in one direction around the guide shaft, and the frame comprises a slide bearing portion (a slide plate) for bearing slidably a portion of the rotationally biased movable element.