Abstract
Construction of barrier free society is desired especially for elderly and handicapped who need to use wheelchair in daily life. Stair climbing is the hardest barrier for those people. Supply of stair lift method is contribution to provide joy and satisfaction in life of those people. By using our developed crawl-type mechanism on powered wheelchair, they can easily and effectively climb up and down stairs. These system are composed of two subsystems, a few reformed powered wheelchair, drive guide and traction guide attached to stair wall. Presented system is cost effective compared with other existing methods such as elevators, escalators and conventional stair lifts.
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