US 10,892,674 B2
Linear vibration generator including plate type spring having bent portion
Nam Sock Kim, Suwon-si (KR); and Seuk Hwan Chung, Suwon-si (KR)
Assigned to MPLUS CO., LTD., Suwon-si (KR)
Filed by MPLUS CO., LTD., Suwon-si (KR)
Filed on Oct. 22, 2018, as Appl. No. 16/166,322.
Claims priority of application No. 10-2017-0139536 (KR), filed on Oct. 25, 2017.
Prior Publication US 2019/0123628 A1, Apr. 25, 2019
Int. Cl. H02K 33/02 (2006.01); H02K 1/34 (2006.01); H02K 33/16 (2006.01)
CPC H02K 33/02 (2013.01) [H02K 1/34 (2013.01); H02K 33/16 (2013.01)] 5 Claims
OG exemplary drawing
1. A linear vibration generator comprising:
a case (100) for covering top and side portions thereof;
a bracket (200) coupled to the underside of the case (100);
a coil (400) fixed to one side of a top surface of the bracket (200) and receiving external power from an FPCB (300);
a plate type spring (500) having bent portions (510) and a support cup (520) and configured to allow one end thereof to be fixed to a vibrator (800); and
the vibrator (800) having a weight (600) fixed to one end of the plate type spring (500) and a magnet (700) insertedly fixed to a hollow portion (610) of the weight (600).