Patent CN208541044U

Updated October 31, 2026

Adjustable Airbag U-Shaped Neck Pillow with Memory Foam

Standard travel pillows are fixed in size: too high for short necks, too low for tall ones, and bulky to pack. This design solves that by putting adjustable air bladders inside the foam. The user squeezes small hand-held pumps located at the pillow's ends to inflate specific zones. The center pump fills the rear airbag to lift the head; the end pumps fill the side airbags to tighten the fit around the jaw. When not needed, pressing the deflation valves releases the air, allowing the soft memory foam outer layer to collapse into a compact shape for easy carrying.

  • China utility model - lapsed
  • No filings outside China
  • Travel accessories
  • Memory foam shell, internal PVC/TPU airbags
Adjustable Airbag U-Shaped Neck Pillow with Memory Foam - product render

🛟

Zone Adjustment

Three separate airbags control neck height and side tightness independently.

💨

Squeeze-to-Inflate

Hand-held bulbs built into the pillow ends allow quick inflation without a pump.

📉

Quick Deflate

Push-button valves on the tubes release air instantly for packing.

🧸

Soft Exterior

Memory foam outer layer covers the bladders for comfort when inflated or deflated.

🔥 Popularity – views

Bring this product to market

  1. ✓ Patent vetted China-only family and legal status checked
  2. 2 Product brief · now How it works, uses and options written up
  3. 3 Prototype First samples for buyers to review
  4. 4 Pilot run Small first batch for launch customers
  5. 5 Volume production Repeat orders at scale

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The problem

Fixed-shape neck pillows fail to fit all users. A pillow sized for an average adult may be too thin for someone with a long neck, offering no support, or too thick for someone with a short neck, forcing the head forward uncomfortably. Additionally, traditional inflatable pillows often require a separate external pump or mouth-blowing, which is unhygienic and inconvenient during travel. Once deflated, many bulky foam pillows do not compress well, taking up excessive space in carry-on luggage. There is a need for a neck pillow that allows precise, independent adjustment of different support zones using integrated, easy-to-use mechanisms, and can be flattened significantly for transport.

The solution

The patent describes a U-shaped pillow constructed with a memory foam outer layer containing three distinct internal air chambers.

  1. Central Airbag: Positioned in the middle of the pillow’s curve, this chamber supports the back of the neck. Inflating it raises the head position relative to the shoulders.
  2. Side Airbags: Located on either side of the central chamber, these two airbags connect via a communication tube. They provide lateral support for the jaw and cheeks.
  3. Inflation System: Two manual squeeze bulbs (first gas cell and second gas cell) are integrated into the ends of the pillow structure. One bulb connects via a tube to the central airbag. The other bulb connects via a tube to the side airbags.
  4. Deflation Valves: Each inflation tube features a deflation part (valve). Pressing this valve opens the line, allowing air to escape from the corresponding bag.
Adjustable Airbag U-Shaped Neck Pillow with Memory Foam - Patent drawing - pillow structure
Fig. 1 - Structural schematic of the U-shaped pillow showing the arrangement of the first, second, and third airbags within the pillow body.

Who it is for

  • Travel Gear Brands: Companies looking to differentiate their neck pillow lines with adjustable comfort features rather than standard fixed foam.
  • E-commerce Sellers: Amazon or Shopify sellers needing a product that addresses common complaints about “one-size-fits-all” pillows being uncomfortable.
  • Corporate Gift Suppliers: Businesses ordering premium travel kits where the ability to customize fit adds perceived value.
  • Health & Wellness Retailers: Stores selling ergonomic aids for posture, where the ability to fine-tune neck angle is a key selling point for office workers or frequent flyers.

How it works

The main parts

No.PartWhat it does
1Pillow BodyU-shaped memory foam outer layer providing initial cushioning.
6First AirbagCentral chamber supporting the back of the neck.
2, 7Second & Third AirbagsSide chambers supporting the jaw and cheeks; connected by a tube.
10First Gas CellSqueeze bulb at one end, inflates the central airbag.
5Second Gas CellSqueeze bulb at the other end, inflates the side airbags.
8, 3Inflation TubesChannels connecting the bulbs to the respective airbags.
9, 4Deflation PartsValves on the tubes that release air when pressed.

Operating steps

  1. Inflating Height: The user squeezes the first gas cell (bulb) repeatedly. Air travels through the first inflation tube into the first airbag (center), expanding it and lifting the head.
  2. Tightening Fit: The user squeezes the second gas cell. Air flows into the second and third airbags (sides), pushing against the jaw and cheeks to stabilize the head laterally.
  3. Adjusting Comfort: Because the bulbs are separate, the user can inflate the center more than the sides, or vice versa, to match their specific neck length and face shape.
  4. Packing Up: To store the pillow, the user presses the deflation parts (valves) on the tubes. Air escapes rapidly. The memory foam collapses, and the deflated bladders fold flat, reducing the volume significantly.
Adjustable Airbag U-Shaped Neck Pillow with Memory Foam - Patent drawing - component layout
Fig. 1 - Layout of internal components showing the relative positions of the airbags and inflation units.

Applications

Long-Haul Flights

Passengers use the central airbag to align their neck with the seat headrest, preventing stiffness. The side bags stop the head from rolling forward during sleep, a common issue with loose foam pillows.

Office Workstations

Remote workers or office employees use the pillow for short naps or as a headrest while reading. The adjustable height ensures the neck isn’t bent awkwardly if the desk setup lacks proper monitor stands.

Road Trips

Drivers or passengers in cars use the side airbags to maintain head alignment with the car seat. The squeeze bulbs allow quick adjustments when changing seats or passengers, without needing tools.

Home Relaxation

Used on sofas or beds for reading or watching TV. The user can inflate the pillow slightly to prop up the head against a wall or couch arm, creating a custom ergonomic rest point.

Where it is less suitable

  • Heavy Industrial Use: The plastic tubes and valves are not designed for rough handling or extreme pressure; they are best suited for consumer travel.
  • Mouth-Breathers: While the side support helps, users who breathe exclusively through their mouths might find the jaw support restrictive compared to open-front designs.
  • Very Cold Environments: Standard TPU/PVC materials used in such airbags can become stiff in extreme cold, potentially affecting the ease of inflation until warmed by body heat.

Frequently asked questions

How does the inflation work?

There are two squeeze bulbs built into the ends of the pillow. One bulb inflates the center airbag to raise the head. The other bulb inflates the side airbags to tighten the fit around the jaw. You just squeeze them like a blood pressure cuff—no pump or blowing required.

Can I wash the pillow?

The patent describes a memory foam outer layer. In practice, manufacturers usually add a removable, washable fabric cover over the foam. The internal airbags and foam core should not be submerged in water. Spot cleaning the cover is recommended.

How durable are the valves?

The patent uses push-button deflation valves on the tubes. Durability depends on the plastic quality. We recommend using high-grade POM or ABS for the valve bodies and testing them for thousands of cycles to ensure they don’t leak after repeated use.

Is it noisy when inflating?

The squeeze bulbs make a slight hissing sound as air moves through the tubes, but it is generally quiet enough for shared spaces like airplane cabins. The noise level can be tuned by adjusting the tube diameter and bulb design.

What materials are used for the airbags?

The patent does not specify the exact polymer. Common industry choices for such items are TPU (Thermoplastic Polyurethane) or PVC. TPU is preferred for eco-friendly markets and lower temperature flexibility, while PVC is cost-effective. Material choice affects feel and longevity.

Does it fit in a carry-on bag?

Yes. Once you press the deflation valves, the air escapes, and the memory foam collapses. Unlike rigid foam pillows, this design can be folded flat or compressed into a small pouch, saving significant luggage space.

Can this design be made and sold in the US?

The patent CN208541044U was filed only in China and has lapsed due to non-payment of fees. It does not restrict manufacturing or sales in the US. However, always conduct a freedom-to-operate search for any new US patents that might cover similar adjustable neck pillow technologies.

Are you affiliated with the patent owner?

No. IP2M is an independent design and manufacturing service working from the public patent document.

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This page is based on the public patent document CN208541044U, assigned to Guangzhou City Cai Dago Beauty Technology Ltd. IP2M is an independent manufacturing service and is not affiliated with, endorsed by or licensed by the patent owner. Images marked as concept renderings are illustrations, not photos of an existing product. Patent status information is provided for reference only and is not legal advice; confirm freedom to operate for your market before production. Full disclaimer.