BRUSH ROLL OF A VACUUM CLEANER

• US 20110203073A1
• Filed: 02/23/2011
• Published: 08/25/2011
• Est. Priority Date: 02/23/2010
• Status: Abandoned Application

• Current Assignee: Johnson Electric SA (Johnson Electric Holdings Limited)
• Original Assignee: Johnson Electric SA (Johnson Electric Holdings Limited)
• Inventors: LV, Xiao Ping, LEUNG, Ching Hang, LIU, Jian Jun, ZHANG, Jian Wen
• Application Number:
  US13/033,461
• Publication Number:
  US 20110203073A1
• Time in Patent Office: Days
• US Class Current: 15/391
• CPC Class Codes: A47L 9/0411 driven by electric motor
• CPC Class Codes: A47L 9/0444 for conveying motion by endless flexible members, e.g. belts

Abstract

A vacuum cleaner has a brush roll which has a housing. A motor is disposed within the housing and has a pulley mounted on a shaft of the motor. A roller is disposed within the housing and has a drive wheel. A belt couples the pulley to the drive wheel, so that the motor can drive the roller. The roller has bristles for sweeping a surface to be cleaned.

Claims

1. A brush roll for a vacuum cleaner, comprising:

a housing;

a motor disposed within the housing and having a pulley mounted on a shaft of the motor;

a roller disposed within the housing and having a drive wheel; and

a belt coupling the pulley to the drive wheel.

2. The brush roll of claim 1, wherein a plurality of bristles are arranged on the roller.

3. The brush roll of claim 2, wherein the housing has a receiving chamber for accommodating the roller and a plurality of openings are formed in the housing communicating the receiving chamber with the outside.

4. The brush roll of claim 1, wherein the belt has a plurality of inner teeth arranged on an inner surface thereof and the pulley and the drive wheel have a plurality of outer teeth arranged on an outer surface thereof for engaging with the inner teeth.

5. The brush roll of claim 1, wherein the motor is a direct current motor.

6. The brush roll of claim 1, wherein the motor is a high voltage direct current motor.

7. A vacuum cleaner incorporating the bush roll of claim 1.

8. A vacuum cleaner incorporating the brush roll of claim 6.