![Page 1: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/1.jpg)
Share Chair 2.009 Final Presentation
December 11, 2006
![Page 2: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/2.jpg)
The Share Chair
![Page 3: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/3.jpg)
Traditional Wheelchair
“I hate having to give up all control…I feel vulnerable when I can’t see the person
pushing me or communicate with them.” Kaley, wheelchair user from California
![Page 4: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/4.jpg)
Communication Challenges Traditional Wheelchairs: ! Hinder face-to-face
communication
! Dehumanize the user ! Hamper emotional
connections
![Page 5: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/5.jpg)
Technical Challenges
Net torque created while pushing from side
Pushing Force
Net Torque on Chair
Distance from
Center
Top View
![Page 6: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/6.jpg)
Technical Solution
Clutch Closedà Straight
Clutch Openà Turn
Top View
![Page 7: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/7.jpg)
Our Solution: The Share Chair
![Page 8: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/8.jpg)
Ergonomic Human Interface
! Comfortable
! Adjustable
! Intuitive
![Page 9: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/9.jpg)
Seamless Mode Switching
! Quickly switch modes
! Easy folding handle
! Intuitive
Lifting
Rotating
![Page 10: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/10.jpg)
Maneuverability
! Simple turning operation
![Page 11: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/11.jpg)
Business Assessment
! Market Analysis - Market Size: $330M - 3% Growth/Year
! Competitive Advantages - Side-push chair - Facilitates
Communication - Ergonomic, Intuitive
Interface
Wheelchair Market Share (in $ Millions)
Invacare$99.0
Sunrise Medical,
$43.6Graham
Field, $11.3
Medline, $118.8
Other $37.3
(Regional Companies)
![Page 12: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/12.jpg)
Business Assessment
! Deployment Strategy - Museums, Nursing
Homes, Public Attractions, Hotels
! Manufactured Cost - Target Price: $550 - Initial Manufactured
Cost: $350
Project Revenue vs. Market Penetration
05
10152025303540
2006 2007 2008 2009 2010Year
Rev
enue
(M
illi
ons
$)
3% Model5% Model10% Model
![Page 13: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/13.jpg)
Business Assessment
! Museum Case Study - 17,500 museums in US - 1 Chair replaced/museum/yr. - Estimate 6% market penetration - 1000 sales for year one
! Forecasted Share Chair ROI : 30.4% - $ 3 Million initial investment
![Page 14: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/14.jpg)
Traditional Wheelchair
“It is difficult to have a conversation with someone behind you…often, we have to delay a conversation
until a stopping point is reached.”
![Page 15: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/15.jpg)
The Share Chair
“Wow, it’s like a real conversation.”
![Page 16: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/16.jpg)
The Share Chair
![Page 17: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/17.jpg)
Special Thanks to…
! Prof. Dave Wallace ! Chris Magee ! Matt Duplessie ! Ethan Crumlin ! Jane Conner ! Dick Fenner ! Joe Cronin ! Bob Gertsen ! Steve Haberek ! Bob Nuttal
! Paul Bartush ! Girard Plante ! Glenn Mangurian ! Kaley Zeitouni ! Lisa Thompson ! Michele Muehe ! MGH Volunteers ! MFA Accessibility Office
- Hannah Goodwin
![Page 18: Share Chair - Massachusetts Institute of Technologydesigned.mit.edu/gallery/data/2006/final/slides/green.pdf · Traditional Wheelchair “I hate having to give up all control…I](https://reader034.vdocuments.mx/reader034/viewer/2022042312/5edb6849ad6a402d66659d4a/html5/thumbnails/18.jpg)
Questions?
Group Members: ! Ovid Amadi ! Alex Cutting ! Mark Egan ! Will Etheridge ! Julian Getachew ! Omar R. Hernandez ! Joshua Jiricek ! Jesse Marsh
! Arthur Petron ! Stephanie Reed ! Gita Srivastava ! Nicola Tan ! Etienne Toussaint ! Cynthia Walker ! Matt Zedler