Abstract:Wheelchair users need lifts to climb up/down steps at entrances with limited space. Lifts driven by motors or hydraulic equipment are large and expensive. They also need switches to start/stop actuators. The aim of our study is to develop a compact nonpowered lift for wheelchair users. We propose a lift driven by the wheels of a wheelchair on it. Coil springs are installed in the lift to decrease driving torque and some mechanisms are attached to the lift so that the small front casters of a wheelchair can cro… Show more
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