Patent · US Active

Brush head arrangements

US10575626B2 · kind B2 · utility

7Cited by

4References

12Claims

0Family size

Assignee

KONINIKLIJKE PHILIPS N.V. · NL

Inventors

Evan Dak Wah Dengler · Seattle, US
Gregory Russ Goddard · Los Alamos, US
Heidi L. Rose · Minneapolis, US

Key dates

Filing date	Mar 24, 2015
Grant date	Mar 3, 2020
Priority date	—
Expiry date	Jan 21, 2036

Classification

Technology area (CPC A)Human Necessities
CPC primaryA46B2200/1066
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A brush head having a distal end, including: an elastomeric matrix including a first surface, and a plurality of retention rings disposed in the elastomeric matrix, each of which includes a first end, a second end positioned closer to the first surface of the elastomeric matrix than the first end, an interior wall with a central longitudinal axis, and an exterior wall. The interior wall of at least a first retention ring is generally circular in shape; the interior wall of at least a second retention ring is generally non-circular in shape; the exterior wall is generally non-circular in shape; and at least one of the interior wall or the exterior wall includes a taper. The brush head can also include a plurality of bristle tufts, each of which is inserted into one of the plurality of retaining rings.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.