Vacuum cleaner
US-2017332855-A1 · Nov 23, 2017 · US
Handle for a wand of a vacuum cleaning appliance
US8959708B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8959708-B2 |
| Application number | US-201113581139-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 15, 2011 |
| Priority date | Mar 4, 2010 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
Official abstract text for this publication.
A handle for a wand of a vacuum cleaning appliance includes a handgrip portion and a conduit for receiving an air flow. The handle includes an aperture for admitting ambient air into the conduit. A first valve occludes a first portion of the aperture, and a second valve occludes a second portion of the aperture. A control mechanism moves the first and second valves away from the aperture to admit ambient air into the conduit. The second valve is supported at least partially by the first valve to occlude the second portion of the aperture.
First claim
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The invention claimed is: 1. A handle for a wand of a vacuum cleaning appliance, the handle comprising: a handgrip portion; a conduit for receiving an airflow; an aperture for admitting ambient air into the conduit; a first valve for occluding a first portion of the aperture, and a second valve for occluding a second portion of the aperture; and a control mechanism for moving the first and second valves away from the aperture to admit ambient air into the conduit; wherei…
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Frequently asked questions
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- What does patent US8959708B2 cover?
- A handle for a wand of a vacuum cleaning appliance includes a handgrip portion and a conduit for receiving an air flow. The handle includes an aperture for admitting ambient air into the conduit. A first valve occludes a first portion of the aperture, and a second valve occludes a second portion of the aperture. A control mechanism moves the first and second valves away from the aperture to adm…
- Who is the assignee on this patent?
- Ventress Sean, Mcleod David Andrew, Dyson Technology Ltd
- What technology area does this patent fall under?
- Primary CPC classification A47L9/327. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).