Design and fabrication of 3 in 1 transforming wheelchair

Submitted in partial fulfilment for the requirement of the degree of Bachelor of Engineering in MechanicalIt is inevitable for any country to have people with disabilities, especially arthritis patients. The\ud most commonly used devices for disabled people are wheelchairs. What’s more, the life quality of\ud disabled people and patients has caught attention by society. Modernized wheelchair has become\ud a popular engineering challenge for decades.\ud We aimed to design a new mechanical system in wheelchair to help people stand up, sitting and\ud lying down with help of single actuator. This mechanism should be safer, simpler in structure,\ud less power consuming and more economic.\ud The wheelchair which we are going to design may help people with disability to surge self-esteem;\ud reach objects placed high, deliver speech on podium, sit & sleep with comfort. By the way, it’s\ud boring for a person to sit for long time.\ud If somebody wants to buy standing wheelchair, he or she do not need to buy a whole wheelchair,\ud only buy four-bar mechanism structure, then install it to his or her own wheelchair with some\ud adjusments and can achieve three positions . That wheelchair can achieve the same goal to stand\ud up, sit and sleep. So it will make the wheelchair cheaper