Vibration motor
US10284066B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2017 |
| Grant date | May 7, 2019 |
| Priority date | — |
| Expiry date | Sep 4, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K33/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vibration motor includes a housing; a fixed component; an elastic connecting piece; and a vibrating component comprising a counterweight suspended by the elastic connecting piece. One of the fixed component and the vibrating component includes a coil, and the other includes a magnet. The vibration motor further includes a damping piece fixed on the counterweight and facing the elastic connecting piece. One of the counterweight and the damping piece is provided with a slot and a glue dispersing slot connecting with the slot, and a projecting part formed on the other of the counterweight and the damping piece for matching with the slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.