V-belt driven vacuum cleaner brushroll
AssigneeThe Scott Fetzer Company
InventorsAlfred H. Stegens, Eric A. Stegens
Life of this patent
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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.
Claims3
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.
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.
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.
Dependencies are inferred from the claim text.