Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent
1988-05-27
1989-12-05
Feldman, Peter
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
15168, 15246, 15257R, 15184, 2063622, D 4108, 134 6, 300 21, 128 62A, A46B 904
Patent
active
048843113
ABSTRACT:
This invention relates to the field of oral hygiene. One embodiment comprises a spring clamp adapted for removable affixation to the bristles of a toothbrush, after it has been used, in a crucial region proximal the free ends of the brush bristles. A discovery and identification of the crucial area is claimed. A preferred embodiment is so designed that the impact area of the clamp on the brush is approximately 1/4 distance down from the free ends of the bristles. The clamp causes the bristles to be closely juxtaposed throughout the clamped area, while the bristles above the clamped area are permitted to flare outward, while the lower portion of the bristles below the clamp line form into a wedge-like configurtation, both of which shapes tend to move in opposite direction during the brushing action providing a resilient base of support for the flared upper portion. The configuration so formed will not substantially retain itself during subsequent use and may be re-formed to those configurations after each use by following the same clamping procedure. Thereby, a soft-bristle toothbrush, which is most desirable for effective orthodenture tooth hygiene, in contrast to the hard bristle brush, may have resilience which enhances its cleaning effectiveness imparted to and retained by it without disarray of the bristles from hard use.
REFERENCES:
patent: 2797886 (1957-07-01), Pinckney
patent: 2897531 (1959-08-01), Calabrese
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