Paper Title
A Study on Development of Mobility Aid for The Mobility Handicapped

A ramp mobility aid, which is transport aid means for city ramps, makes mobility for ramp possible by making easy to install mobility device. The purpose of this study is to prevent safety accidents by assuring safety when door is opened with installation of switch on door of driving part and by installing switch on safety handle making transport started only after user grips handle with his/her both hands. By designing passenger compartment and driving part for the idea, it is expected to expand welfare facilities and enhance quality of life of the elderly and infirm and the mobility handicapped. Keywords - Driving System, Rack Gear, 3D Modeling ,Stress Analysis