Manual Wheelchair Design Improvements And Developments

Afda Rizan, Ismail (2005) Manual Wheelchair Design Improvements And Developments. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The plight of handicapped people is often overlooked and forgotten by society. The purpose of this project is to design and develop a manual wheelchair. Which ••seat jack" feature with integral focus on affordahility to end users. Many forms of mechanisms were analyzed and a Pnewnatic syst(:m was chosen to be the most suitable and practical mechanism for our application. Therefore detailed analysis and variation for design of the pneumatic system were carried out giving sufficient considerations to the nature of the wheelchair structure, the various constraints of lifting a disabled person and the limited space below wheelchair structure. Modifications were made to the structure of the wheelchair to accommodate tlbe designed pneumatic system. The Graphical Method was used to locate the optimum location of pneumatic cylinders with specified constraints. This project conclusively proves that the pneumatic system is the most cost-effective lift mechanism for the transfer wheelchair and therefore it should be incorporated into the final design of the wheelchair.

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