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US 12,708,220 B2Granted
Mattress with adjustable firmness
AssigneeSleep Number Corporation
InventorsKody Lee Karschnik, Wade Daniel Palashewski, Rob Nunn, Eric Rose, Samuel Hellfeld, Jerry Boyer, Steven Jay Young, Carl Hewitt
Life of this patent
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Abstract
A mattress can include one or more layers of foam material, an adjustable air layer including an air bladder, and a valve. The valve can be fluidically connected to the air bladder and configured to regulate pressure of the air bladder in response to actuation. Some embodiments can include a foam material positioned inside the air bladder.
Claims22
A mattress comprising:
- a first layer of foam material;
- an adjustable air layer positioned under the first layer of foam material, the adjustable air layer comprising:
- an air bladder;
- and
- an open-cell foam material positioned inside the air bladder and configured to bias the air bladder to an inflated position when the open-cell foam material is exposed to atmospheric pressure;
- a second layer of foam material positioned under the adjustable air layer;
- and
- a valve system fluidically connected to the air bladder and configured to regulate the air bladder.
5 more elements
A mattress comprising:
- a comfort layer;
- an adjustable air layer positioned below the comfort layer, wherein the adjustable air layer comprises:
- at least a first air bladder;
- a first foam layer positioned inside the first air bladder;
- and
- a first valve configured to selectively allow air flow through the first air bladder;
- a support layer positioned below the adjustable air layer;
- and
- a mattress cover enclosing the comfort layer, the adjustable air layer, and the support layer.
6 more elements
Dependencies are inferred from the claim text.