Disposable head portion for a nodally mounted rotating...

Details Disposable head portion for a nodally mounted rotating... Disposable head portion for a nodally mounted rotating...

2008-09-08

2010-06-08

Karls, Shay L (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

Brushing

C015S022200

Reexamination Certificate

active

07730569

ABSTRACT:
A head portion of a nodally mounted rotating toothbrush is removable from a handle portion, which has a driving system therein. The head portion includes a spring assembly, having two spring sections, the spring assembly having a node point between the two ends and a nodal mount member at the node point which is connected to a cover member of the head portion. A driving assembly is arranged to drive the first spring section, the second section rotating in an opposing direction from the first spring section, the second spring section having a drive shaft extending therefrom, upon a free end of which a brushhead is mounted. When the head portion is removed from the handle, the spring assembly is removed therewith.

REFERENCES:
patent: 5189751 (1993-03-01), Giuliani et al.
patent: 5378153 (1995-01-01), Giuliani et al.
patent: 6859968 (2005-03-01), Miller et al.
patent: 2003/0204924 (2003-11-01), Grez et al.
patent: 19802904 (1999-07-01), None
patent: 2383630 (1978-10-01), None

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