Oral care implement

• US 8,839,481 B2
• Filed: 05/07/2013
• Issued: 09/23/2014
• Est. Priority Date: 08/09/2002
• Status: Expired due to Term

• Current Assignee: Colgate-Palmolive Company
• Original Assignee: Colgate-Palmolive Company
• Inventors: Moskovich, Robert, Wawguespack, Kenneth, Russell, Bruce Michael
• Primary Examiner(s): GUIDOTTI, LAURA COLE
• Application Number:
  US13/888,825
• Publication Number:
  US 20130247316A1
• Time in Patent Office: 504 Days
• Field of Search: 151/671, 152/01
• US Class Current: 15/167.1
• CPC Class Codes: A46B 15/0055 Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors
• CPC Class Codes: A46B 15/0081 Brushes with a scraper, e.g. tongue scraper
• CPC Class Codes: A46B 2200/1066 Toothbrush for cleaning the teeth or dentures A61C17/16 takes precedence; bristles arrangements for toothbrushes A46B9/04
• CPC Class Codes: A46B 3/04 by mouldable materials, e.g. metals, cellulose derivatives, plastics A46B1/00 takes precedence
• CPC Class Codes: A46B 3/06 by welding together bristles made of metal wires or plastic materials
• CPC Class Codes: A46B 5/0025 Brushes with elastically deformable heads that change shape during use
• CPC Class Codes: A46B 5/0029 Head made of soft plastics, rubber or rubber inserts in plastics matrix
• CPC Class Codes: A46B 9/026 where the surface of the brush body or carrier is not in one plane, e.g. not flat A46B9/005 takes precedence
• CPC Class Codes: A46B 9/04 Arranged like in or for toothbrushes

Abstract

An oral care implement having a cleaning element carrier. In one embodiment, the implement comprises a handle; a head coupled to the handle, the head having a longitudinal axis and a base structure with a front surface; a cleaning element carrier having a top surface and a bottom surface supported above the front surface of the base structure so that a gap exists between the bottom surface of the cleaning element carrier and the front surface of the base structure; a plurality of first cleaning elements extending from the top surface of the cleaning element carrier; at least one second cleaning element extending from the front surface of the base structure beyond the top surface of the cleaning element carrier; and wherein the second cleaning element and the cleaning element carrier are in transverse alignment.

Claims

1. An oral care implement comprising:

a handle;

a head coupled to the handle, the head having a longitudinal axis and a base structure with a front surface;

a cleaning element carrier supported above the front surface of the base structure so that a gap exists between the cleaning element carrier and the base structure, the cleaning element carrier comprising a first longitudinal segment and a second longitudinal segment that are spaced apart by a longitudinal gap;

a plurality of first cleaning elements extending from a top surface of the cleaning element carrier;

at least one second cleaning element extending from the front surface of the base structure;

wherein an axis that is transverse, to the longitudinal axis of the head intersects both the second cleaning element and the cleaning element carrier; and

wherein the at least one second cleaning element protrudes through the longitudinal gap between the first and second longitudinal segments of the cleaning element carrier.

2. The oral care implement of claim 1 wherein the at least one second cleaning element extends from the front surface of the base structure beyond the top surface of the cleaning element carrier.

3. The oral care implement of claim 1 wherein the cleaning element carrier is supported above the base structure by at least one pod extending, from the base structure.

4. The oral care implement of claim 1 further comprising a plurality of the at least one second cleaning elements extending from the front surface of the base structure beyond the top surface of the cleaning element carrier.

5. The oral care implement of claim 1 wherein the first and second longitudinal segments of the cleaning element carrier are located on opposite sides of the longitudinal axis of the head.

6. The oral care implement of claim 1 wherein at least one of the first cleaning elements is out of transverse alignment with the at least one second cleaning element.

7. The oral care implement of claim 1 further comprising:

a distal pod extending from the front surface of the base structure, wherein the cleaning element carrier is at least partially supported above the front surface of the base structure by the distal pod;

wherein the distal pod is static relative to the base structure and the cleaning element carrier is movable relative to the base structure in a direction towards the front surface of the base structure;

the first and second longitudinal segments of the cleaning element carrier located on opposite sides of the longitudinal axis of the head;

a plurality of the at least one second cleaning elements extending from the front surface of the base structure beyond the top surface of the cleaning element carrier, the plurality of at least one second cleaning elements positioned along the longitudinal axis of the head between the first and second longitudinal segments of the cleaning element carrier and protruding through the longitudinal gap between the first and second longitudinal segments of the cleaning element carrier;

at least one of the first cleaning elements extending from the first longitudinal segment of the cleaning element carrier and at least one of the first cleaning elements extending from the second longitudinal segment of the cleaning element carrier; and

wherein a second axis that is transverse to the longitudinal axis of the head intersects both the at least one of the first cleaning elements extending from the first longitudinal segment of the cleaning element carrier and the at least one of the first cleaning elements extending from the second longitudinal segment of the cleaning element carrier.

8. An oral care implement comprising:

a handle;

a head coupled to the handle, the head having a longitudinal axis and a base structure with a front surface;

a cleaning element carrier supported above the front surface of the base structure so that a gap exists between the cleaning element carrier and the base structure, the cleaning element carrier comprising a first longitudinal segment and a second longitudinal segment that are spaced apart by a longitudinal gap;

a plurality of first cleaning elements extending from a top surface of the cleaning element carrier;

at least one second cleaning element extending from the front surface of the base structure;

wherein an axis that is transverse to the longitudinal axis of the head intersects both the second cleaning element and the cleaning element carrier;

wherein the first and second longitudinal segments of the cleaning element carrier are located on opposite sides of the longitudinal axis of the head; and

wherein the at least one second cleaning element is positioned along the longitudinal axis of the head between the first and second longitudinal segments of the cleaning element carrier.

9. An oral care implement comprising:

a handle;

a head coupled to the handle, the head having a longitudinal axis and a base structure with a front surface;

a cleaning element carrier supported above the front surface of the base structure so that a gap exists between the cleaning element carrier and the base structure, the cleaning element carrier comprising a first longitudinal segment and a second longitudinal segment that are spaced apart by a longitudinal gap;

a plurality of first cleaning elements extending from a to surface of the cleaning element carrier;

at least one second cleaning element extending from the front surface of the base structure;

wherein an axis that is transverse to the longitudinal axis of the head intersects both the second cleaning element and the cleaning element carrier; and

a resilient material at least partially filling the longitudinal gap.

10. An oral care implement comprising:

a handle;

a head coupled to the handle, the head having a longitudinal axis and a base structure with a front surface;

a cleaning element carrier having a top surface and a bottom surface, the cleaning element carrier supported above the front surface of the base structure so that a gap exists between the bottom surface of the cleaning element carrier and the front surface of the base structure;

a plurality of first cleaning elements extending from the top surface of the cleaning element carrier;

at least one second cleaning element extending from the front surface of the base structure beyond the top surface of the cleaning element carrier;

wherein an axis that is transverse to the longitudinal axis of the head intersects both the second cleaning element and the cleaning element carrier; and

wherein the first cleaning elements have distal ends that are spaced a first distance from the front surface of the base structure and the at least one second cleaning element has a distal end that is spaced a second distance from the front surface of the base structure, the first distance being greater than the second distance.

11. The oral care implement of claim 10 further comprising a distal pod extending from the front surface of the base structure, wherein the cleaning element carrier is at least partially supported above the front surface of the base structure by the distal pod.

12. The oral care implement of claim 10 wherein the at least one second cleaning element protrudes through an opening in the cleaning element carrier.

13. The oral care implement of claim 10 wherein the cleaning element carrier comprises a first longitudinal segment and a second longitudinal segment located on opposite sides of the longitudinal axis of the head.

14. The oral care implement of claim 10 further comprising:

a distal pod extending from the front surface of the base structure, wherein the cleaning element carrier is at least partially supported above the front surface of the base structure by the distal pod;

wherein the distal pod is static relative to the base structure and the cleaning element carrier is movable relative to the base structure;

wherein the cleaning element carrier comprises a first longitudinal segment and a second longitudinal segment located on opposite sides of the longitudinal axis of the head;

wherein at least one of the first cleaning elements extends from the first longitudinal segment of the cleaning element carrier and at least one of the first cleaning elements extends from the second longitudinal segment of the cleaning element carrier; and

wherein the at least one second cleaning element extends from the front surface of the base structure along the longitudinal axis of the head to a position beyond the top surface of the cleaning element carrier.

15. An oral care implement comprising:

a handle;

a head coupled to the handle, the head having a longitudinal axis and a base structure with a front surface;

a cleaning element carrier having a to surface and a bottom surface the cleaning element carrier supported above the front surface of the base structure so that a gap exists between the bottom surface of the cleaning element carrier and the front surface of the base structure;

a distal pod extending from the front surface of the base structure, wherein the cleaning element carrier is at least partially supported above the front surface of the base structure by the distal pod;

a plurality of first cleaning elements extending from the top surface of the cleaning element carrier;

at least one second cleaning element extending from the front surface of the base structure beyond the top surface of the cleaning element carrier;

wherein an axis that is transverse to the longitudinal axis of the head intersects both the at least one second cleaning element and the cleaning element carrier; and

wherein the distal pod is static relative to the base structure and the cleaning element carrier is movable relative to the base structure in a direction towards the front surface of the base structure.

16. An oral care implement comprising:

a handle;

a head coupled to the handle, the head having a longitudinal axis and a base structure with a front surface;

a cleaning element carrier having a to surface and a bottom surface, the cleaning element carrier supported above the front surface of the base structure so that a gap exists between the bottom surface of the cleaning element carrier and the front surface of the base structure;

a plurality of first cleaning elements extending from the top surface of the cleaning element carrier;

at least one second cleaning element extending from the front surface of the base structure beyond the top surface of the cleaning element carrier;

wherein an axis that is transverse to the longitudinal axis of the head intersects both the at least one second cleaning element and the cleaning element carrier;

wherein the cleaning element carrier comprises a first longitudinal segment and a second longitudinal segment located on opposite sides of the longitudinal axis of the head; and

wherein the at least one second cleaning element extends from the front surface of the base structure along the longitudinal axis of the head.

17. The oral care implement of claim 16 wherein at least one of the first cleaning elements extends from the first longitudinal segment of the cleaning element carrier and at least one of the first cleaning elements extends from the second longitudinal segment of the cleaning element carrier.

18. An oral care implement comprising:

a handle;

a head coupled to the handle, the head having a longitudinal axis and a base structure with a front surface;

a cleaning element carrier supported above the front surface of the base structure so that a gap exists between a bottom surface of the cleaning element carrier and the from surface of the base structure, the cleaning element carrier comprising a first longitudinal segment and a second longitudinal segment that are spaced apart along the longitudinal axis of the head by a longitudinal gap;

a plurality of first cleaning elements extending from a top surface of the cleaning element carrier; and

at least one second cleaning element extending from the front surface of the base structure along the longitudinal axis of the head, the at least one second cleaning element protruding through the longitudinal gap.