ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,076, issued on Oct. 21, was assigned to Max Mobility LLC.
"Motion-based power assist system for wheelchairs" was invented by W. Mark Richter (Nashville, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motion-based push activation power assist system for manual wheelchairs. The system uses motion-based measurements to determine when the user applies a push to the wheelchair handrims and brakes with the handrims. The push recognition activates a drive system that provides an assistive driving force-pulse to the wheelchair to reduce the demand on the user during propulsion. The brake recognition deactivates the power assist. The provided power a...