Back to results
US 6,323,570 B1Granted
Rotary brush device and vacuum cleaner using the same
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsHiroshi Nishimura, Seizo Hayashi
Life of this patent
Estimating the term…
Abstract
A motor is incorporated in a cylindrical body which is a rotary brush. Rotation of a rotor of the motor, directly or via a speed reduction mechanism, drives the rotary brush. Cooling air runs through the cylindrical body so that the motor is cooled and protected. The rotary brush and an electric apparatus using the rotary brush can be downsized and easily.
Claims20
A rotary brush device comprising:
- a cylindrical body having a first end, a second end, and having at least one of a brush agitator, a thin-plate agitator and a thin-plate scraper;
- a motor disposed in said cylindrical body at said first end and for rotating said cylindrical body;
- a motor bearing surrounding said motor, and said motor bearing attached to and between said motor and said cylindrical body;
- and
- a speed reduction mechanism disposed on said second end of said cylindrical body;
- wherein said first end of said cylindrical body is rotatably supported with said motor bearing.
3 more elements
Dependencies are inferred from the claim text.