Tooth brush with coiled spring shanks

Details Tooth brush with coiled spring shanks Tooth brush with coiled spring shanks

1996-07-19

1997-12-02

Scherbel, David

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

151431, 15172, A46B 904

Patent

active

056922604

ABSTRACT:
A bent wire serves to form a loop for assembly receiving a brush head of a toothbrush, the bent wire also forming a pair of shanks which are received in a handle holding the shanks together to close the loop and return the brush head assembly therein. At least one of the shanks has formations indexable in the handle. Between the end portions of the shanks and the loop, coil springs are formed in the wire to allow mobility of the brush head in all directions perpendicular to the longitudinal axis thereof.

REFERENCES:
patent: 759490 (1904-05-01), Yates
patent: 2226814 (1940-12-01), Gregg
patent: 3174174 (1965-03-01), Dengler
patent: 4333199 (1982-06-01), Del Rosario
patent: 4488328 (1984-12-01), Hyman
patent: 4890732 (1990-01-01), Shackelford
patent: 5054154 (1991-10-01), Schiffer et al.
patent: 5146645 (1992-09-01), Dirksing
patent: 5283921 (1994-02-01), Ng

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