Invention Grant
- Patent Title: Vibration motor
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Application No.: US15286602Application Date: 2016-10-06
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Publication No.: US10381908B2Publication Date: 2019-08-13
- Inventor: Tomohiro Akanuma , Mitsuru Oi , Tetsufumi Hayashi
- Applicant: Nidec Seimitsu Corporation
- Applicant Address: JP Nagano
- Assignee: NIDEC SEIMITSU CORPORATION
- Current Assignee: NIDEC SEIMITSU CORPORATION
- Current Assignee Address: JP Nagano
- Agency: Keating & Bennett, LLP
- Priority: JP2015-204920 20151016
- Main IPC: H02K33/00
- IPC: H02K33/00

Abstract:
A vibration motor includes a stationary portion including a casing and a coil; a vibrator supported to be capable of vibrating in one direction with respect to the stationary portion; and an elastic member arranged between the stationary portion and the vibrator. The vibrator includes a magnet arranged on an upper side of the coil in a vertical direction perpendicular to the one direction, and a weight arranged to hold the magnet. The weight includes a first weight portion in the shape of a plate, and at least one second weight portion arranged to extend downward from a lower surface of the first weight portion. The at least one second weight portion and the coil are arranged opposite to each other in the one direction.
Public/Granted literature
- US20170110948A1 VIBRATION MOTOR Public/Granted day:2017-04-20
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