Toothbrushes

Details Toothbrushes Toothbrushes

1990-12-13

1993-02-09

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

15201, 151711, 132308, A46B 300

Patent

active

051843684

ABSTRACT:
A toothbrush includes a plurality of bristle holders spring-urged outwardly from the brush head. In one described embodiment, the springs are produced by a planar strip of elastic material stamped with a plurality of spirally-extending slits pressed out of the plane of the strip to produce a plurality of helically-extending springs underlying each of the bristle holders. In a second described embodiment, the springs are in deformable bellows-shaped elements each underlying one of the bristle holders. In some described embodiments, the brush head is pivotally mounted to the handle.

REFERENCES:
patent: 1189505 (1916-07-01), Stockton
patent: 1968303 (1934-07-01), McMath
patent: 2882544 (1959-04-01), Hadidian
patent: 2935755 (1960-05-01), Leira et al.
patent: 3082457 (1963-03-01), Lucibello et al.
patent: 3683442 (1972-08-01), Holly
patent: 4240452 (1980-12-01), Jean
patent: 4333199 (1982-06-01), Del Rosario
patent: 4633542 (1987-01-01), Taravel
patent: 4694844 (1987-09-01), Berl et al.
patent: 4731896 (1988-03-01), de la Tour

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