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The Problem
Anchor 1
The Problem: Existing Anti-Tippers Suck
Existing anti-tip devices are bent metal rods with two non-swiveling wheels on the end. If the wheelchair is tipped backwards slightly, the wheels contact the ground and prevent the wheelchair from tipping over. As a result of this safety feature, the wheelchair user is unable to raise their front casters when navigating uneven terrain. In addition, the anti-tippers hang down such that they interfere with the wheelchair user purposely tipping their wheelchair backwards for descending slopes such as a driveway curb cuts and steep ramps. The wheelchair user is effectively prevented from gaining the benefits of the “wheelie” position.
Even worse, they are unable to learn to balance their wheelchair. Without this ability, they must change their center of mass and sacrifice maneuverability to stabilize their wheelchair. The unfortunate result is a wheelchair that is difficult to push and turn. The ability to do a wheelie increases and maneuverability in a wheelchair as it allows someone to maneuver everyday terrain by themselves. As of now, there is no method to safely learn to do a wheelie while also ensuring your piece of mind that you will not fall back while learning
Moon Wheel: Progressive Suspension
The Moon Wheel enables wheelchair users to have highly maneuverable wheelchairs combined with backwards stability. By adding progressive suspension to the wheelchair instead of the hard-stop from anti-tippers, wheelchair users can “wheelie” without needing to manually balance their wheelchair.
Not only does the Moon Wheel enhance the wheelchair user’s mobility, the feedback it provides enables them to learn to manually balance their wheelchair. The suspension of the Moon Wheel creates both improved performance and safety. Since the Moon Wheel is not fixed in one position, it will not have the ground clearance problems of current “stiff” anti-tipping devices.
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