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Navy

All-Terrain Wheel Chair

Easy to maneuver over a variety of surfaces

Medical & Biotechnology
The US Navy seeks a partner to further develop and commercialize a patent-pending 3-wheeled, all-terrain wheel chair design. The third wheel is large compared to competing designs, stable, and able to traverse a variety of terrains.
The US Navy seeks a partner to further develop and commercialize a patent-pending 3-wheeled, all-terrain wheel chair design. The third wheel is large compared to competing designs, stable, and able to traverse a variety of terrains.

The Naval Undersea Warfare Center Division Newport (NUWC Newport) has developed and applied for a patent on an innovative design for a wheel chair that can more easily navigate on soft and uneven outdoor terrain such as grass and gravel. The chair uses three wheels: Two wheels in the front (approximately the same size as the rear wheels on a traditional four-wheeled chair), and a third wheel in the back that is roughly two-thirds as tall as the front wheels.

The relatively large size of all three wheels makes it easier to maneuver over a variety of surfaces, and the back wheel can pivot 360 degrees for easy turning. The design is very stable and the overall chair is occupies a footprint only slightly larger than traditional designs. In addition to enhanced performance outdoors, the chair is also ideal for situations where the occupant of the chair is larger than the person pushing the chair. Additional features include bicycle-style brakes and a wheel ratchet design that can be activated to prevent the chair from rolling backwards.

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