Electric toothbrush mechanism

Details Electric toothbrush mechanism Electric toothbrush mechanism

2006-04-11

2006-04-11

Chin, Randall (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

Brushing

C015S022100, C015S028000, C015S167100, C015S201000

Reexamination Certificate

active

07024718

ABSTRACT:
A brushing head can be attached to or formed integrally with an electric toothbrush handle. The brushing head includes a casing, a rotary drive shaft extending within the casing and having a radially offset crank portion. A linear guide track extends in a direction across the drive shaft. A tuft block is mounted to the casing and interacts with the offset crank portion and the guide track to reciprocate linearly upon rotation of the drive shaft.

REFERENCES:
patent: 5732432 (1998-03-01), Hui
patent: 5974613 (1999-11-01), Herzog
patent: 6725490 (2004-04-01), Blaustein et al.
patent: 2003/0084527 (2003-05-01), Brown et al.
patent: 1056744 (2000-09-01), None
patent: 2 317 555 (1998-01-01), None

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