IP Library Granted Patent US 7,290,308
Granted Patent B2
US 7,290,308 · App. 10/748,633 · Granted Nov 6, 2007

Vacuum cleaner equipped with pivotally mounted agitator section

Assignee: Panasonic Corporation of North America
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Quick Facts
Patent No.
US 7,290,308
App. No.
10/748,633
Granted
Nov 6, 2007
Kind
B2
Abstract

The present invention relates to a floor cleaning apparatus including a nozzle assembly having a base section and an agitator section pivotally mounted to the base section, a canister assembly pivotally connected to the nozzle assembly, a suction generator carried on one of the nozzle assembly and the canister assembly and a dirt collector carried by one of the nozzle assembly and canister assembly.

Claims (27)

1. A floor cleaning apparatus, comprising:

a nozzle assembly including a base section and an agitator section pivotally mounted to said base section;

a canister assembly pivotally connected to said nozzle assembly;

a suction generator carried by one of said nozzle assembly and said canister assembly; and

a dirt collector carried by one of said nozzle assembly and said canister assembly;

wherein said floor cleaning apparatus is characterized by;

said agitator section including an agitator housing, a first rotary agitator and a second rotary agitator; and

said first rotary agitator including a longitudinal axis, said agitator section pivoting relative to said base section along said longitudinal axis.

2. The apparatus of claim 1 , wherein said base section of said nozzle assembly includes at least one ground engaging wheel.

3. The apparatus of claim 2 , wherein said canister assembly includes at least one ground engaging wheel.

4. The apparatus of claim 1 wherein said agitator section of said nozzle assembly includes at least one wheel.

5. The apparatus of claim 4 , wherein said at least one wheel of said agitator section is provided adjacent a leading edge of said agitator section.

6. The apparatus of claim 1 , wherein said canister assembly includes a control handle, said canister assembly being pivotally displaceable relative to said nozzle assembly between an upright, storage position and a use position.

7. The apparatus of claim 1 , further including means for biasing said agitator section toward said surface being cleaned.

8. The apparatus of claim 1 , further including at least one spring for biasing said agitator section toward said surface being cleaned.

9. The apparatus of claim 1 , further including means for transmitting power from said suction generator to said first rotary agitator.

10. The apparatus of claim 9 wherein said means includes a belt.

11. The apparatus of claim 10 , wherein said means includes a gear box assembly.

12. The apparatus of claim 1 , further including an agitator drive motor carried on said nozzle assembly.

13. A vacuum cleaner, comprising:

a main housing including a plurality of wheels for engaging and rolling over a surface to be cleaned;

a suction generator; and

an agitator section pivotally mounted to said main housing, said agitator section including an agitator housing, a first rotary agitator and a second rotary agitator and said first rotary agitator including a longitudinal axis, said agitator section pivoting relative to said main housing along said longitudinal axis.

14. The vacuum cleaner of claim 13 , further including means for biasing said agitator section toward the surface to be cleaned.

15. The vacuum cleaner of claim 13 , further including a pair of brackets for pivotally mounting said agitator section to said main housing.

16. The vacuum cleaner of claim 15 , wherein each bracket of said pair of brackets includes an aperture for receiving an end of said first rotary agitator.

17. The vacuum cleaner of claim 16 , wherein each bracket of said pair of brackets includes at least one lug and one fastener for securing each bracket to said main housing.

Assignments (2)
CHANGE OF NAME Recorded Apr 3, 2007
From: MATSUSHITA ELECTRIC CORPORATION OF AMERICA
To: PANASONIC CORPORATION OF NORTH AMERICA
Reel/Frame 019107/0360 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 21, 2004
From: DOWNEY, RICHARD E.; GIESKE, JASON R.
To: MATSUSHITA ELECTRIC CORPORATION OF AMERICA
Reel/Frame 014661/0559 →
Continuity (3)
Provisional Application 6046840800 · May 6, 2003
Provisional Application 6043796000 · Jan 3, 2003
Related Publication 20040172784A1 · Sep 9, 2004