Finger-mounted device for cleaning teeth
US4617694A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 21, 1984 |
| Grant date | Oct 21, 1986 |
| Priority date | — |
| Expiry date | Sep 21, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A finger-mounted device for cleaning teeth having an improved teeth cleaning surface, pick means for cleaning between the teeth, a nonslip finger-engaging means, and means for providing a length of dental floss. The improved teeth cleaning surface consists of a plurality of concave surfaces joined along their raised edges, each of the concave surfaces being adapted to clean a complimentary shaped convex tooth surface and the raised edges being adapted to clean the tooth edges. The teeth cleaning surface is preferably formed by soft bristles. A pick means comprises a section of hard bristles disposed within the soft bristle area, the distal ends of the hard bristles being tapered to form a point which lies beneath the soft bristle surface, the pick being exposed for cleaning between teeth by applying a greater pressure than that required for brushing the teeth with the soft bristles. The improved finger-engaging means is a tubular holder having both ends open and including an arcuate portion on one edge defining a concave fingertip surface for engaging the palm side of the fingertip to retain the holder on the finger. A length of dental floss is attached at one end to the device and…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.