V-belt driven vacuum cleaner brushroll

• US 6,779,231 B1
• Filed: 09/25/2003
• Issued: 08/24/2004
• Est. Priority Date: 09/25/2003
• Status: Active Grant

• Current Assignee: The Scott Fetzer Company (Berkshire Hathaway Incorporated)
• Original Assignee: The Scott Fetzer Company (Berkshire Hathaway Incorporated)
• Inventors: Stegens, Eric A., Stegens, Alfred H.
• Primary Examiner(s): Snider, Theresa T.
• Application Number:
  US10/671,761
• Time in Patent Office: 334 Days
• Field of Search: 15/411, 15/43, 153/89, 153/91, 153/92
• US Class Current: 15/389
• CPC Class Codes: A47L 9/0411 driven by electric motor
• CPC Class Codes: A47L 9/0444 for conveying motion by endless flexible members, e.g. belts
• CPC Class Codes: F16G 5/20 with a contact surface of special shape, e.g. toothed
• CPC Class Codes: F16H 7/02 with belts; with V-belts

Abstract

A vacuum cleaner brushroll including a spindle rotated by a drive belt having grooves in its inner drive surface extending lengthwise around the belt, and a pulley formed in one-piece with the spindle, the pulley having a flat, smooth belt surface parallel to the spindle axis.

Claims

1. In a vacuum sweeper including a brushroll spindle rotated by a V-belt having grooves in its inner surface that extend lengthwise around the belt, and a pulley on the brushroll spindle that is engaged by the belt, the improvement wherein said pulley has a smooth belt-engaging surface coacting with said belt.

2. In a vacuum sweeper including a brushroll spindle rotated by a V-belt having grooves in its inner surface that extend lengthwise around the belt, and a pulley on the brushroll spindle that is engaged by the belt, the improvement wherein said pulley has a smooth belt-engaging surface coacting with said belt, and wherein said spindle and said pulley are a one-piece member.

3. A vacuum sweeper brushroll comprising a spindle and a pulley on said spindle, said spindle and said pulley being a one-piece member, said pulley having a flat, belt-engaging surface that is parallel to the lengthwise axis of said spindle, and a V-belt having grooves in its inner surface that extend lengthwise around the belt, said surface being engageable by said grooves to cause rotation of said brushroll.