Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus including the same

Patent metadata

Field	Value
Publication number	US-11213832-B2
Application number	US-202016806839-A
Country	US
Kind code	B2
Filing date	Mar 2, 2020
Priority date	Jan 23, 2019
Publication date	Jan 4, 2022
Grant date	Jan 4, 2022

Abstract

A surface cleaning apparatus comprises an air treatment member having an air treatment chamber. A moveable member is positioned in the air treatment chamber. A driving assembly is drivingly connected to the moveable member wherein the driving assembly is operable between a stored position is which the surface cleaning apparatus is operable to clean a surface and a cleaned position in which the moveable member has been translated through at least a portion of the chamber, wherein, in the stored position, a portion of the driving assembly is longitudinally spaced from the first and second axially spaced apart ends of the air treatment chamber.

First claim

The invention claimed is:

1. A vacuum cleaner or extractor comprising:
(a) an air flow path extending from a dirty air inlet to a clean air outlet;
(b) a first air treatment member having an air treatment chamber positioned in the air flow path, the air treatment chamber comprising an air treatment chamber air inlet, an air treatment chamber air outlet, an openable first end, a longitudinally spaced apart second end having the air treatment chamber air outlet and a longitudinally extending sidewall, wherein the air treatment chamber air outlet comprises a longitudinally extending porous member having a longitudinally extending porous sidewall;
(c) a suction motor positioned in the air flow path upstream of the clean air outlet;
(d) a moveable member positioned in the air treatment chamber, the moveable member comprising at least one of the porous member and a cleaning member positioned in the air treatment chamber between the sidewall of the air treatment chamber and the porous sidewall; and,
e) a driving assembly comprising a handle and a driving linkage wherein the driving assembly is operable between a stored position is which the vacuum cleaner or extractor is operable to clean a surface and the handle is located a first distance with respect to the second end and a cleaned position in which the moveable member has been translated through at least a portion of the chamber the handle is located a second distance with respect to the second end and the second distance is different to the first distance, wherein, in the stored position, a portion of the driving assembly comprising the handle is longitudinally spaced from the first and second ends of the air treatment chamber and is located adjacent a portion of the vacuum cleaner or extractor and the moveable member is at the second end and wherein the portion of the vacuum cleaner or extractor comprises a dirt collection chamber exterior to the air treatment chamber or a second stage air treatment member downstream from the first air treatment member.

2. The vacuum cleaner or extractor of claim 1 wherein the driving linkage comprises a drive rod and, in the stored position, at least a portion of the drive rod is exterior to the vacuum cleaner or extractor and extends along the portion of the surface cleaning apparatus.

3. The vacuum cleaner or extractor of claim 2 wherein the portion of the vacuum cleaner or extractor comprises the dirt collection chamber, which is exterior to the air treatment chamber, the air treatment chamber further comprises a dirt outlet in communication with the dirt collection chamber and the portion of the drive rod is coextensive with a portion of the dirt collection chamber that is longitudinally spaced from the first and second ends of the air treatment chamber.

4. The vacuum cleaner or extractor of claim 2 wherein the portion of the vacuum cleaner or extractor comprises the second stage air treatment member.

5. The vacuum cleaner or extractor of claim 2 wherein the first air treatment member is a first cyclonic stage and the second stage air treatment member comprises a second cyclonic stage downstream from the first cyclonic stage and the portion of the vacuum cleaner or extractor comprises the second cyclonic stage.

6. The vacuum cleaner or extractor of claim 2 further comprising a suction motor housing and the portion of the vacuum cleaner or extractor further comprises the suction motor housing.

7. The vacuum cleaner or extractor of claim 1 wherein the driving linkage has a fixed longitudinal length.

8. The vacuum cleaner or extractor of claim 1 wherein the driving assembly is reconfigurable between the stored position in which the handle is recessed against a portion of the vacuum cleaner or extractor and an operable position in which the handle has been rotated away from the portion of the vacuum cleaner or extractor and the driving assembly is operable to longitudinally translate the moveable member through at least a portion of the chamber.

9. The vacuum cleaner or extractor of claim 8 wherein, in the stored position, the handle abuts the portion of the vacuum cleaner or extractor.

10. The vacuum cleaner or extractor of claim 8 wherein the driving linkage comprises a longitudinally extending drive rod having a drive rod axis and the handle is rotatable about the drive rod axis.

11. The vacuum cleaner or extractor of claim 8 further comprising a stop member operably engageable with the driving assembly to inhibit the handle rotating away from the stored position.

12. The vacuum cleaner or extractor of claim 1 wherein in the cleaned position, at least a portion of the moveable member is exterior of the air treatment chamber.

13. The vacuum cleaner or extractor of claim 1 wherein the moveable member comprises the cleaning member and the cleaning member is moveable from an operating position in which the cleaning member abuts the second end and a cleaned position in which the moveable member is translated longitudinally away from the second end.

14. The vacuum cleaner or extractor of claim 1 wherein the cleaning member comprises an annular member.

15. The vacuum cleaner or extractor of claim 1 wherein the air treatment member comprises a cyclone having a centrally positioned cyclone axis of rotation.

16. A vacuum cleaner or extractor comprising:
(a) an air flow path extending from a dirty air inlet to a clean air outlet;
(b) a first air treatment member having an air treatment chamber positioned in the air flow path, the air treatment chamber comprising an air treatment chamber air inlet, an air treatment chamber air outlet, a first end, a longitudinally spaced apart second end and a longitudinally extending sidewall, wherein the air treatment chamber air outlet comprises a longitudinally extending porous member having a longitudinally extending porous sidewall;
(c) a suction motor positioned in the air flow path upstream of the clean air outlet;
(d) a moveable member positioned in the air treatment chamber, the moveable member comprising at least one of the porous member and a cleaning member positioned in the air treatment chamber between the sidewall of the air treatment chamber and the porous sidewall; and,
(e) a driving assembly comprising a handle and a driving linkage wherein the driving assembly is operable between a stored position is which the vacuum cleaner or extractor is operable to clean a surface and a cleaned position in which the moveable member has been translated through at least a portion of the chamber, wherein, in the stored position, a portion of the driving assembly comprising the handle is longitudinally spaced from_the first and second ends of the air treatment chamber,
wherein the driving linkage comprises a telescoping drive rod wherein, in the stored position, the telescoping drive rod is in a contracted configuration and, in the operable position, the telescoping drive rod is in an extended configuration in which the handle is operable to longitudinally translate the moveable member through at least a portion of the chamber.

17. The vacuum cleaner or extractor of claim 16 wherein the driving linkage is drivingly connected to the moveable member when the extendable member is in the contracted configuration.

18. A vacuum cleaner or extractor comprising:
(a) an air flow path extending from a dirty air inlet to a clean air outlet;
(b) a first air treatment member having an air treatment chamber positioned in the air flow path, the air treatment chamber comprising an air treatment chamber air inlet, an air treatment chamber air outlet,

Assignees

• Omachron Intellectual Property Inc

Inventors

• Conrad Wayne Ernest

Classifications

• A47L9/1683

  Dust collecting chambers; Dust collecting receptacles · CPC title

• A47L9/1625 Primary

  for series flow · CPC title

• A47L9/325

  for wheeled suction cleaners with steering handle · CPC title

• B04C5/26

  for series flow · CPC title

• A47L9/1658

  Construction of outlets · CPC title