Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1991-07-15
1993-11-30
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
A61C 1734
Patent
active
052652998
ABSTRACT:
An improved structure for an electro-motive tooth brush, which comprises a handle-shaking assembly, a connecting assembly, a water-supply assembly, and a tooth-brush assembly; the handle portion in the tooth-brush assembly is mounted to a valve of the water-supply assembly; the valve is fixedly attached to a ratchet rack of the connecting assembly; the ratchet base and the handle-shaking assembly are connected together. An eccentric wheel in the handle-shaking assembly can generate a shaking effect to cause the brush bristle portion to shake.
REFERENCES:
patent: 3685080 (1972-08-01), Hubner
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