Electric toothbrush
First Claim
1. An electric toothbrush including an electric motor, a shaft member adapted to be engaged with a brush member, and a coupling mechanism operatively associated with said motor and said shaft member for coupling with said motor to drive said shaft member to swivel substantially about a longitudinal axis of said shaft member, wherein said coupling mechanism includes a movable member adapted to reciprocate along a straight line which is substantially perpendicular to said longitudinal axis of said shaft member.
2 Assignments
0 Petitions
Accused Products
Abstract
An electric toothbrush (10, 100) is disclosed as including an electric motor (22, 122), a shaft (56, 156) engaged with a brush head (18), and a coupling mechanism operatively associated with the motor (22, 122) and the shaft (56, 156) for coupling with the motor (22, 122) to drive the shaft (56, 156) to swivel about a longitudinal axis of the shaft (56, 156), the coupling mechanism including a reciprocating block (34, 134) reciprocable along a straight line perpendicular to the longitudinal axis of the shaft (56, 156).
34 Citations
11 Claims
- 1. An electric toothbrush including an electric motor, a shaft member adapted to be engaged with a brush member, and a coupling mechanism operatively associated with said motor and said shaft member for coupling with said motor to drive said shaft member to swivel substantially about a longitudinal axis of said shaft member, wherein said coupling mechanism includes a movable member adapted to reciprocate along a straight line which is substantially perpendicular to said longitudinal axis of said shaft member.
Specification