Bladed disk brush roller assembly for a vacuum cleaner sweeper

• US 6,314,611 B1
• Filed: 03/24/2000
• Issued: 11/13/2001
• Est. Priority Date: 03/24/2000
• Status: Expired due to Fees

• Current Assignee: Baker McMillen Company
• Original Assignee: Baker McMillen Company
• Inventors: Sauers, Carl B.
• Primary Examiner(s): MOORE, CHRISTOPHER K
• Application Number:
  US09/534,763
• Time in Patent Office: 599 Days
• Field of Search: 153/75, 153/76, 153/92
• US Class Current: 15/376
• CPC Class Codes: A47L 9/0455 Bearing means therefor

Abstract

A brush roller assembly for a vacuum cleaner sweeper which includes a rotatable spindle having a longitudinal axis, a first end, a second end and a central portion, a first bladed disk positioned on the first end of the rotatable spindle, the first bladed disk including a central portion which is positioned substantially perpendicular to the longitudinal axis of the rotatable spindle when the first bladed disk is positioned on the first end of the rotatable spindle and at least one fan blade projection outwardly extending from the periphery of the central portion of the first bladed disk, the at least one fan blade projection being oriented to facilitate the movement of outside air from the first end of the rotatable spindle toward the central portion of the rotatable spindle, a first end cap attached to the first end of the rotatable spindle, a second bladed disk positioned on the second end of the rotatable spindle, the second bladed disk including a central portion which is positioned substantially perpendicular to the longitudinal axis of the rotatable spindle when the second bladed disk is positioned on the second end of the rotatable spindle and at least one fan blade projection outwardly extending from the periphery of the central portion of the second bladed disk, the at least one fan blade projection being oriented to facilitate the movement of outside air from the second end of the rotatable spindle toward the central portion of the rotatable spindle and a second end cap attached to the second end of the rotatable spindle.

Claims

1. A brush roller assembly for a vacuum cleaner sweeper, said brush roller assembly comprising:

a rotatable spindle having a longitudinal axis, a first end, a second end and a central portion;

a first bladed disk positioned on said first end of said rotatable spindle, said first bladed disk including a central portion which is positioned substantially perpendicular to said longitudinal axis of said rotatable spindle when said first bladed disk is positioned on said first end of said rotatable spindle and at least one opening to facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle;

a first end cap attached to said first end of said rotatable spindle;

a second bladed disk positioned on said second end of said rotatable spindle, said second bladed disk including a central portion which is positioned substantially perpendicular to said longitudinal axis of said rotatable spindle when said second bladed disk is positioned on said second end of said rotatable spindle and at least opening to facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle;

a second end cap attached to said second end of said rotatable spindle and,

wherein said first end cap includes a recess and said first bladed disk is positioned, at least in part, in said recess in said first end cap and said second end cap includes a recess and said second bladed disk is positioned, at least in part, in said recess in said second end cap.

2. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 1, wherein said at least one opening in said first bladed disk is angled relative to said central portion of said first bladed disk to form at least one fan blade projection to facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle and said at least one opening in said second bladed disk is angled relative to said central portion of said second bladed disk to form at least one fan blade projection to facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle.

3. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 2, wherein said at least one fan blade projection in said first bladed disk is oriented at a ten (10) degree to sixty (60) degree angle relative to said central portion of said first bladed disk to facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle and said at least one fan blade projection in said second bladed disk is oriented at a ten (10) degree to sixty (60) degree angle relative to said central portion of said second bladed disk to facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle.

4. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 2, wherein said at least one fan blade projection in said first bladed disk is oriented at an angle of approximately twenty (20) degrees relative to said central portion of said first bladed disk to facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle and said at least one fan blade projection in said second bladed disk is oriented at an angle of approximately twenty (20) degrees relative to said central portion of said second bladed disk to facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle.

5. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 1, said brush roller assembly further includes a first bearing positioned on said first end of said rotatable spindle and a second bearing positioned on said second end of said rotatable spindle to facilitate the rotation of said rotatable spindle.

6. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 1, wherein said first end cap includes at least one opening to further facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle and said second end cap includes at least one opening to further facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle.

7. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 6, wherein said at least one opening in said first end cap is elongated in a radial direction to further facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle and said at least one opening in said second end cap is elongated in a radial direction to further facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle.

8. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 1, wherein said first bladed disk and said second bladed disk are fabricated from a plastic material.

9. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 1, wherein said first bladed disk and said second bladed disk are fabricated as sheet metal stampings.

10. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 1, wherein said rotatable spindle is substantially cylindrical in configuration and includes a cylindrical outer surface and at least one brush is positioned on said cylindrical outer surface of said rotatable spindle.

11. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 1, wherein said first end cap and said second end cap are fabricated from a plastic material.

12. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 1, wherein said rotatable spindle, said first bladed disk and said second bladed disk are fabricated as an integrated assembly.

19. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 6, wherein said at least one opening in said first end cap is elongated in a radial direction to further facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle and said at least one opening in said second end cap is elongated in a radial direction to further facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle.

13. A brush roller assembly for a vacuum cleaner sweeper, said brush roller assembly comprising:

a rotatable spindle having a longitudinal axis, a first end, a second end and a central portion;

a first bladed disk positioned on said first end of said rotatable spindle, said first bladed disk including a central portion which is positioned substantially perpendicular to said longitudinal axis of said rotatable spindle when said first bladed disk is positioned on said first end of said rotatable spindle and at least one opening to facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle;

a first end cap attached to said first end of said rotatable spindle;

a second bladed disk positioned on said second end of said rotatable spindle, said second bladed disk including a central portion which is positioned substantially perpendicular to said longitudinal axis of said rotatable spindle when said second bladed disk is positioned on said second end of said rotatable spindle and at least opening to facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle;

a second end cap attached to said second end of said rotatable spindle; and

wherein said first end of said rotatable spindle includes a recess and at least a portion of said central portion of said first bladed disk is positioned in said recess in said first end of said rotatable spindle and said second end of said rotatable spindle includes a recess and at least a portion of said central portion of said second bladed disk is positioned in said recess in said second end of said rotatable spindle.

14. The bladed disk for a brush roller assembly for a vacuum cleaner sweeper in accordance with claim 13, wherein said at least one opening in said first bladed disk is angled relative to said central portion of said first bladed disk to form at least one fan blade projection to facilitate the movement of outside air from the first end or the second end of the rotatable spindle toward the central portion of the rotatable spindle and said at least one opening in said second bladed disk is angled relative to said central portion of said second bladed disk to form at least one fan blade projection to facilitate the movement of outside air from the first end or the second end of the rotatable spindle toward the central portion of the rotatable spindle.

15. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 14, wherein said at least one fan blade projection in said first bladed disk is oriented at a ten (10) degree to sixty (60) degree angle relative to said central portion of said first bladed disk to facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle and said at least one fan blade projection in said second bladed disk is oriented at a ten (10) degree to sixty (60) degree angle relative to said central portion of said second bladed disk to facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle.

16. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 14, wherein said at least one fan blade projection in said first bladed disk is oriented at an angle of approximately twenty (20) degrees relative to said central portion of said first bladed disk to facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle and said at least one fan blade projection in said second bladed disk is oriented at an angle of approximately twenty (20) degrees relative to said central portion of said second bladed disk to facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle.

17. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 13, said brush roller assembly further includes a first bearing positioned on said first end of said rotatable spindle and a second bearing positioned on said second end of said rotatable spindle to facilitate the rotation of said rotatable spindle.

18. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 13, wherein said first end cap includes at least one opening to further facilitate the movement of outside air from said first end of said rotatable spindle toward said central portion of said rotatable spindle and said second end cap includes at least one opening to further facilitate the movement of outside air from said second end of said rotatable spindle toward said central portion of said rotatable spindle.

20. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 13, wherein said first bladed disk and said second bladed disk are fabricated from a plastic material.

21. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 13, wherein said first bladed disk and said second bladed disk are fabricated as sheet metal stampings.

22. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 13, wherein said rotatable spindle is substantially cylindrical in configuration and includes a cylindrical outer surface and at least one brush is positioned on said cylindrical outer surface of said rotatable spindle.

23. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 13, wherein said first end cap includes a recess and said first bladed disk is positioned, at least in part, in said recess in said first end cap and said second end cap includes a recess and said second bladed disk is positioned, at least in part, in said recess in said second end cap.

24. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 13, wherein said first end cap and said second end cap are fabricated from a plastic material.

25. The brush roller assembly for a vacuum cleaner sweeper in accordance with claim 13, wherein said rotatable spindle, said first bladed disk and said second bladed disk are fabricated as an integral integrated assembly.