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 transmitting the motional output of said motor to drive said shaft member to swivel substantially about its longitudinal axis, 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.
1 Assignment
0 Petitions
Accused Products
Abstract
An electric toothbrush (10) is disclosed as including an electric motor (22), a shaft (56) engaged with a brush head (18), and a coupling mechanism operatively associated with the motor (22) and the shaft (56) for transmitting the motional output of the motor (22) to drive the shaft (56) to swivel about its longitudinal axis, the coupling mechanism including a reciprocating block (34) reciprocable along a straight line perpendicular to the longitudinal axis of the shaft (56).
30 Citations
8 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 transmitting the motional output of said motor to drive said shaft member to swivel substantially about its longitudinal axis, 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