Brushroll with dual row of bristles

A brushroll for a vacuum cleaner, comprising:

• a cylindrical dowel having a plurality of holes drilled thereinto, said holes being formed in a first row and a second row which is disposed closely adjacent said first row;
• a tuft of a first type of bristle secured in each hole of said first row;
• a tuft of a second type of bristle secured in each hole of said second row, wherein said tufts of said second row are spaced from respective adjacent tufts of said first row by a distance between one quarter and three quarters of a free length of said bristles of said first row of tufts;
• and,
• a means for supporting said first row of tufts during a cleaning rotation of the brushroll, said means for supporting comprising said second row of tufts, wherein during the cleaning rotation of the brushroll said first row of tufts contacts said second row of tufts and prevents said second row of tufts from contacting a surface meant to be cleaned.

A brushroll for a vacuum cleaner, comprising:

• a cylindrical dowel;
• a first row of holes located in said dowel;
• a second row of holes located in said dowel, said rows being spaced from each other;
• a tuft of a first type of bristle secured in each hole of said first row;
• a tuft of a second type of bristle secured in each hole of said second row, wherein a distance from a center of each hole of said first row to a center of an adjacent hole of said second row is approximately one and one half times a difference in length between a free length of said tuft of said first type and said tuft of said second type;
• a means for supporting said tufts of said first row during a cleaning rotation of the brushroll, said means for supporting comprising said tufts of said second row;
• a first thread guard located on a first end of said dowel;
• and,
• a second thread guard located on a second end of said dowel.