Device for extending the effectiveness and life of a toothbrush

Details Device for extending the effectiveness and life of a toothbrush Device for extending the effectiveness and life of a toothbrush

1994-11-17

1996-04-23

Spisich, mark

Brushing, scrubbing, and general cleaning

Accessories

15168, 15184, 15246, 24543, 24562, 132308, 2063623, A46B 1704

Patent

active

055091687

ABSTRACT:
A dental oral hygiene device for extending the useful lifetime of a toothbrush having a handle and a plurality of longitudinal bristles, the bristles having a defined length and being attached generally normal to the handle and forming a generally rectilinear array, each of the bristles having a proximal end attached to the handle and a distal end forming a tip, the device including a structure for applying pressure to the bristles at at least two points along the bristle length, preferably approximately at the bristle tip and at a point between the bristle tip and the proximal end of the bristle, a receptacle structure supporting the structure for applying pressure and for containing at least a portion of the toothbrush including the bristles, wherein the bristles are forced generally inwardly such that the rectilinear array is generally maintained and the bristles are prevented from splaying outwardly relative to each other.

REFERENCES:
patent: 1960807 (1934-05-01), Cole
patent: 2608293 (1952-08-01), Carlson
patent: 2620500 (1952-12-01), Ridner, Sr.
patent: 2897531 (1959-08-01), Calabrese
patent: 2947412 (1960-08-01), Tupper
patent: 3120019 (1964-02-01), Scott
patent: 3127985 (1964-04-01), Scott
patent: 3665563 (1972-05-01), Batts
patent: 4237579 (1980-12-01), Salmon
patent: 4844311 (1989-12-01), Gregory
patent: 5042107 (1991-08-01), Gregory et al.
patent: 5315733 (1994-05-01), Ledingham

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