Beater-brush roller for vacuum cleaner

• US 3,225,374 A
• Filed: 08/26/1963
• Issued: 12/28/1965
• Est. Priority Date: 08/26/1963
• Status: Expired due to Term

• Current Assignee: Horace S. Daley, Ronald R. Thompson
• Original Assignee: Horace S. Daley, Ronald R. Thompson
• Inventors: Daley, Horace S., Thompson, Ronald R.
• Application Number:
  US04/304,532
• Time in Patent Office: 855 Days
• US Class Current: 15/183
• CPC Class Codes: A47L 11/19 Parts or details of the brushing tools
• CPC Class Codes: A47L 11/4041 Roll shaped surface treating tools
• CPC Class Codes: A47L 9/0455 Bearing means therefor

Claims

1. A BEATER-BRUSH ROLLER FOR USE IN THE MOUTH OF A VACUUM CLEANER, SAID ROLLER COMPRISING A UNITARY CYLINDRICAL MEMBER HAVING A PAIR OF SPACED-APART LONGITUDINALLY EXTENDING IDENTICAL UNDERCUT HELICAL SLOTS EACH HAVING OUTWARDLY CONVERGENT SIDEWALLS, SAID SLOTS BEING FORMED DIRECTLY IN SAID UNITARY CYLINDRICAL MEMBER AND EXTENDING FOR A MAJOR PORTION OF THE LENGTH THEREOF;

A BALANCING STRIP FREELY INSERTABLE ENDWISE INTO ONE OF SAID SLOTS AND HELD IN THE INNER PORTION OF SAID SLOT BY SAID OUTWARDLY CONVERGENT SIDEWALLS;

A BEATER INSERT INSTALLED IN THE OTHER OF SAID SLOTS;

AND A BRUSH INSERT INSTALLED IN THE SLOT WITH SAID BALANCING STRIP.