Bobin assembly for a driving assembly used in a personal care appliance
US7482906B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2006 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Aug 8, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F7/1646
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A first aspect of the disclosure concerns a driving assembly for a power toothbrush which includes a drive member, specifically an E-core electromagnet, a driven member which is responsive to the action of the drive member and a workpiece mounted on the distal end of the driven member. The drive assembly includes an interface registration member, to one end surface portion of which is secured the end face of E-core electromagnet, another portion of which is configured to produce a selected registration of the driven member and the driving assembly, and still another portion of which is configured to produce a selected registration of the interface member relative to the handle of the toothbrush.A second aspect of the disclosure concerns a split bobbin assembly for an electrical coil portion of an electromagnet in a power toothbrush. The split bobbin assembly includes a first portion which mates with a portion of the appliance which is exposed to the operating environment of the appliance and is made from a material which has sufficient chemical-resistant properties for tolerance of exposure to the environment. A second portion of the split bobbin is made from a material which is re…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.