Rotary shaver with improved connection between flexible and rigid rotatable tubes
US7993360B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2006 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Aug 28, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/320032
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An rotary shaver having an attachment device for coupling a flexible transmission shaft to rigid ends. In at least one embodiment, the rotary shaver may be a curved rotary shaver. The inner shaft may be formed from rigid ends connected together with the flexible transmission shaft via an attachment device. The attachment device may include a collar protruding from an outer surface to penetrate an inner surface of the flexible transmission shaft. The attachment device may also include one or more grooves or protrusions for the transmission of torque.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.