Nodal spring assembly for an electronic toothbrush
US9410593B2 · kind B2 · utility
3Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2011 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Jul 6, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F1/14
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A nodal-mounted spring arrangement for an electronic toothbrush includes a V-shaped spring member secured at both ends so that it can operate in out-of-phase torsion mode along the axial dimension thereof. In one embodiment, the V-shaped spring member includes two extended end regions, which extend below a longitudinal edge of the middle portion of the V-spring. The free ends of the extended portions are joined by a flat cross-piece. This “closed end” region is present at both ends of the V-spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.