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Expandable Wheelchair Final Report

Expandable Wheelchair Final Report. Sponsor: Industry Advisor: Facility Advisor: Team:. Keen Mobility Rick Klein Faryar Etesami Meagan Pischel Robb Sparks Joshua Hatch Aleksey Synkov. Spring, 2005. Mission Statement.

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Expandable Wheelchair Final Report

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  1. Expandable WheelchairFinal Report Sponsor: Industry Advisor: Facility Advisor: Team: Keen Mobility Rick Klein Faryar Etesami Meagan Pischel Robb Sparks Joshua Hatch Aleksey Synkov Spring, 2005 PSU / Keen Mobility

  2. Mission Statement Develop a low-cost manual wheelchair with adjustable width and depth for skilled care facilities. PSU / Keen Mobility

  3. Need for Expandable Wheelchair • Reduce size of chair fleet in nursing homes • Reduce wide (20”) chair rentals • Free up Medicare money for other patient needs • Provide a better fitting chair to patients PSU / Keen Mobility

  4. Main Design Objectives Adjust width 16” to 20” Increase chair capacity to 300 lbs Allow quick, tool free adjustment Adjust depth 16” to 18” PSU / Keen Mobility

  5. Additional Requirements • Allow use of normal doorways • Ability to fold instantly • Standard service life • Easy maintenance • Manageable chair weight • Safety • Reliability PSU / Keen Mobility

  6. Final Design Standard Adult Wheelchair Folded pinned attached Crossbar design allows wheelchair to fold PSU / Keen Mobility

  7. Final Design Double Crossbar for added weight capacity Width Adjust PSU / Keen Mobility

  8. Final Design Handle Re-designed for Depth Adjustment Sliding Fixed Original Design Re-design PSU / Keen Mobility

  9. Analysis Finite Element Analysis (FEA) for Handle F PSU / Keen Mobility

  10. Analysis FEA Result Yield Strength = 57 kpsi max. stress = 30 kpsi FOS = 1.9 Safe for designed load max PSU / Keen Mobility

  11. Testing • Broken into quantitative and qualitative characteristics • Width and depth adjustability meet project requirements • Width adjusts in less than 3 minutes, depth in less than 1 minute • Chair still folds easily PSU / Keen Mobility

  12. Patenting • Grant funds available for patenting • Draft patent application sent to lawyer PSU / Keen Mobility

  13. Conclusions and Recommendations • The wheelchair meets all main design objectives and the majority of other PDS requirements • Only aesthetics need serious help • Some areas for refinement were identified PSU / Keen Mobility

  14. Special Thanks • Rick, Jerry, Brandon and entire Keen Mobility Team • Professor Etesami • Vancouver Skilled Care Facility nurses and staff PSU / Keen Mobility

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