Invention Grant
- Patent Title: Vibration motor
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Application No.: US15286606Application Date: 2016-10-06
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Publication No.: US10367402B2Publication Date: 2019-07-30
- 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: JP2015-204911 20151016
- Main IPC: H02K33/00
- IPC: H02K33/00 ; H02K33/16

Abstract:
A vibration motor includes a stationary portion including a casing and a coil; a vibrator including a magnet, and at least one elastic member. The magnet is arranged on an upper side of the coil. The stationary portion includes at least one projecting portion arranged to project in the vertical direction. A portion of the at least one projecting portion is arranged opposite to a portion of the vibrator in the one direction. The at least one elastic member includes a plate spring portion arranged to support at least one of both ends of the vibrator with respect to the one direction. The plate spring portion includes a decreased width portion and an increased width portion, the decreased width portion being above or below a corresponding one of the at least one projecting portion when viewed from one side in the one direction.
Public/Granted literature
- US20170110951A1 VIBRATION MOTOR Public/Granted day:2017-04-20
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