Brushroll having improved cleaning capability

• US 20030066150A1
• Filed: 10/30/2002
• Published: 04/10/2003
• Est. Priority Date: 10/10/2001
• Status: Active Grant

• Current Assignee: The Scott Fetzer Company (Berkshire Hathaway Incorporated)
• Original Assignee: The Scott Fetzer Company (Berkshire Hathaway Incorporated)
• Inventors: Stegens, Alfred H., Stegens, Eric A.
• Granted Patent: US 6,591,441 B2
• Time in Patent Office: Days
• US Class Current: 15/179
• CPC Class Codes: A46B 13/001 Cylindrical or annular brush bodies
• CPC Class Codes: A47L 9/0455 Bearing means therefor

Abstract

A vacuum cleaner brushroll including a spindle, bristle tufts carried by the spindle, and sleeves fitted on the ends of the spindle, the bristle tufts including angled end tufts that extend through the sleeve outwardly beyond the ends of the spindle to provide a wide cleaning path and improved edge cleaning capability upon rotation of the brushroll. The sleeve on one end of the brushroll has a pulley.

Claims

1. In a vacuum brushroll including a spindle and outwardly extending bristle tufts carried by said spindle, the improvement comprising end bristle tufts angled outwardly of said spindle beyond its ends to provide improved edge cleaning and a wide cleaning path upon rotation of said brushroll.

2. In a vacuum brushroll including a spindle having a longitudinal axis of rotation, and bristle tufts extending outwardly from the spindle, the improvement comprising a member around each end of said spindle, and angled end tufts extending through said members, said end tufts being angled outwardly beyond the ends of said spindle to provide a wide cleaning path and edge cleaning capability upon rotation of said brushroll.

3. The improvement as claimed in claim 2 wherein a member at one end of said spindle has a pulley belt drive surface.

4. The improvement as claimed in claim 2 or claim 3 wherein said members are sleeves.

5. The improvement as claimed in claim 4 including a ferrule having a skirt surrounding an end portion of said sleeve, said angled end tufts extending outwardly through said end portion of said sleeve and said skirt.

6. In a vacuum cleaner brushroll including a spindle having a longitudinal axis of rotation and bristle tufts extending outwardly of the spindle, the improvement comprising a sleeve around an end portion of said spindle, a pulley integral with said sleeve, and angled tufts of bristles fixed in said spindle and extending outwardly through said sleeve beyond said end of said spindle to provide a wide cleaning path and an improved edge cleaning capability.

7. The improvement as claimed in claim 6 including a ferrule having a skirt surrounding an end portion of said sleeve, said angled end tufts extending outwardly through said skirt.

8. The improvement as claimed in claim 6 or claim 7 wherein said pulley is a timer belt pulley.

9. The improvement as claimed in claim 6 or claim 7 wherein said pulley has belt engaging grooves.