Back to results
US 7,007,336 B2Granted
Agitator construction
AssigneePanasonic Corporation of North America
InventorsJeffrey T. Roney, Eric E. Muhlenkamp
Life of this patent
Estimating the term…
Abstract
An agitator includes a high strength, continuous metal axle, a pulley held on one end of the metal axle and a sleeve of lightweight plastic material received over the axle. The agitator is manufactured by molding a pulley body onto an underlying metal support or D-nut, fitting an axle into the pulley, molding a sleeve around the axle and securing a cleaning structure on the sleeve.
Claims12
An agitator, comprising:
- a continuous metal axle;
- a pulley held on one end of said metal axle, said pulley including a metal D-nut;
- a sleeve of lightweight plastic material received over said metal axle wherein said sleeve is cylindrical in shape having a diameter no greater than 22.00 mm.
An agitator and drive gear assembly for a vacuum cleaner, comprising:
- an axle;
- a pulley held on said axle;
- a sleeve received over said axle;
- a drive gear having a stub shaft;
- and
- said pulley including a mounting fixture for engaging said stub shaft of said drive gear.
3 more elements
Dependencies are inferred from the claim text.