Variable engagement toothbrush
US5511273A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 22, 1995 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | Aug 22, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/244
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A plastic looped handle has a front ring with two parallel members connected by a front brush head member. Bristles in curved rows extend from one side of the brush head for brushing of teeth, while convex protrusions extend from the other side of the brush head for tongue cleaning. A center bar extends across the front ring, and a rear ring extends rearwardly from the center bar. A front opening is defined between the front ring and the center bar and a rear opening is defined between the rear ring and the center bar. Both openings are sufficiently large to receive at least two human fingers therethrough. The center bar defines an angle with one of the front members of less than 90 degrees, to thereby define a wedge space, into which the hand of a user may be inserted and wedged to thereby retain control of the toothbrush. The two front members are spaced from one another a width to permit the insertion of the brush head into a user's mouth, while the rear ring is substantially wider than the front ring, to thereby permit the support of the brush within the non-extended fingers of a crabbed hand. The brush is particularly suited for use by those who have lost some gripping abiliti…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.