Adjustable bristle toothbrush apparatus

Details Adjustable bristle toothbrush apparatus Adjustable bristle toothbrush apparatus

2007-01-23

2010-06-29

Guidotti, Laura C (Department: 3727)

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

C015S167100

Reexamination Certificate

active

07743452

ABSTRACT:
An adjustable bristle toothbrush apparatus which provides pneumatic bristle exposed length pressure adjustment. Bristles are provided in bristle bundles which are affixed to bristle bases. Each base moves within an individual cylinder via a slave piston. Adjustment of chamber pressure via the adjustment knob on the handle first end determines slave piston resistance to inward movement.

REFERENCES:
patent: 2935755 (1960-05-01), Leira et al.
patent: 4149293 (1979-04-01), Raaf et al.
patent: 4152806 (1979-05-01), Raaf et al.
patent: 4346492 (1982-08-01), Solow
patent: 5315732 (1994-05-01), Huefner et al.
patent: 7036179 (2006-05-01), Weihrauch
patent: 2004/0194238 (2004-10-01), Letendre

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