Electrical toothbrushes
First Claim
Patent Images
1. An electric toothbrush having a handle, a brush head, a main bristle holder mounted to the brush head and driven to oscillate pivotally with respect to the brush head, and an auxiliary bristle holder positioned radially outwardly of the main bristle holder and driven to oscillate pivotally with respect to the brush head.
1 Assignment
0 Petitions
Accused Products
Abstract
An electric toothbrush includes a brush head to which there is pivotally mounted a main bristle holder. Extending from the brush head is an auxiliary bristle holder which can oscillate in unison with the main bristle holder or in contra-rotational unison with the main bristle holder to increase efficiency of the toothbrush in operation.
57 Citations
11 Claims
- 1. An electric toothbrush having a handle, a brush head, a main bristle holder mounted to the brush head and driven to oscillate pivotally with respect to the brush head, and an auxiliary bristle holder positioned radially outwardly of the main bristle holder and driven to oscillate pivotally with respect to the brush head.
- 5. The electric toothbrush of claim 5 wherein the auxiliary bristle holder is formed integrally with the main bristle holder.
Specification