Toothbrush having bi-directional rotational head

Details Toothbrush having bi-directional rotational head Toothbrush having bi-directional rotational head

1996-11-07

1998-09-29

Till, Terrence

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 26, 74 99A, A46B 1308

Patent

active

058130756

ABSTRACT:
A hand rotating type toothbrush having provision for rotation in first and second rotational directions using separate manually actuated slides. The shaft supporting the head is formed integrally with an axially aligned torsion bar which returns the head to neutral position. A first slide member provides for rotation in a first direction. A second slide member provides for rotation in a second direction, each slide member providing 180 degrees of rotation. Preferably, the entire device is formed from synthetic resinous materials for low cost of production and convenience in maintaining sanitary conditions. The shaft is selectively fixed at an inner end thereof to the handle by catch or detent means, thus maintaining the device in selectively assembled condition.

REFERENCES:
patent: 622948 (1899-04-01), Gill
patent: 1226482 (1917-05-01), Dossey
patent: 1256288 (1918-02-01), Barnes et al.
patent: 1824967 (1931-09-01), Seelig
patent: 2095581 (1937-10-01), White
patent: 4763372 (1988-08-01), Gougeon

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