Vibrating back scratcher
US4091805A · kind A · utility
50Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 18, 1977 |
| Grant date | May 30, 1978 |
| Priority date | — |
| Expiry date | Mar 18, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2205/081
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An artificial hand having a plurality of fingers bent in scratching position, is affixed at the wrist to a first end of an elongated rod. An electric vibrator is coupled to the other end of the rod in a hollow handle accommodating such end of the rod. The vibrator is energized by a battery to vibrate the rod and the hand in axial directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.