wheelchair mounting system
DESCRIPTION
Wheelchair Mounting System. Jennifer Gao , Sam Surette, Jake Willen. Overview. Need Scope Background Design Requirements Existing Solutions/Patents Preliminary Calculations Schedule Organization of Team Responsibilities. Overview. Need Scope Background Design Requirements - PowerPoint PPT PresentationTRANSCRIPT
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Wheelchair Mounting System
Jennifer Gao, Sam Surette, Jake Willen
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OverviewNeed ScopeBackgroundDesign RequirementsExisting Solutions/PatentsPreliminary CalculationsScheduleOrganization of Team Responsibilities
![Page 3: Wheelchair Mounting System](https://reader035.vdocuments.us/reader035/viewer/2022081505/568163c2550346895dd4e507/html5/thumbnails/3.jpg)
OverviewNeed ScopeBackgroundDesign RequirementsExisting Solutions/PatentsPreliminary CalculationsScheduleOrganization of Team Responsibilities
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NeedTablet market will grow by a factor of five by
2017Both hands required for manual wheelchair
locomotion Unmet need for tablet computer mounting
system for manual wheelchairs
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OverviewNeed ScopeBackgroundDesign RequirementsExisting Solutions/PatentsPreliminary CalculationsScheduleOrganization of Team Responsibilities
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ScopePersonal technology is not a luxuryTerrain TrackerObjective: Create tablet computer mounting
system for wheelchair usersEasily accessed and stowedSturdy, theft-proofDoes not inhibit mobilityCan be installed on manual wheelchairs
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OverviewNeedScopeBackgroundDesign RequirementsExisting Solutions/PatentsPreliminary CalculationsScheduleOrganization of Team Responsibilities
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Background: Demographics
1.5% of US population (3.6 million) uses wheelchairs
56% of wheelchair users are 65 or older
17% of US population (52.4 million) uses tablets
Age Group % of Tablet Users
13-17 5.5018-24 13.0025-34 24.2035-44 20.6045-54 18.1055-64 11.0065+ 7.60
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Background: Tablet Computer Industry
Apple sold 19.5 million iPads worldwide in Q1 2013
59% increase in shipments compared to previous year
Products strike a balance between portability and functionality
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Background: Mobile Applications
Terrain Tracker Mobile Banking Emergency Medical
Support Productivity Entertainment
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Background: WheelchairsWheelchair Type Weight (lbs)
Standard Chair 35-45
Lightweight Chair 30-35
Folding Ultralight Chair 25-30
Rigid Ultralight 12-25
Sports Chair 25-35
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Background: Wheelchairs
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Background: Seat Cushions
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OverviewNeed ScopeBackgroundDesign RequirementsExisting Solutions/PatentsPreliminary CalculationsScheduleOrganization of Team Responsibilities
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Design RequirementsMaintains full range of motionIs not prohibitively heavyCompatible with all types of chairsHas anti-theft measuresRequires no assistanceDoes not unbalance chair
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OverviewNeed ScopeBackgroundDesign RequirementsExisting Solutions/PatentsPreliminary CalculationsScheduleOrganization of Team Responsibilities
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Existing Solutions: Ram Mounts
Aesthetically pleasing Sturdy Not specifically designed
for wheelchairs
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Existing Solutions: Daessy Specifically designed for
wheelchairs Includes swing-aside and
folding mounts Heavy, requires
assistance
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Existing Solutions: Cases
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Existing Solutions: Mount Designs
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Existing Solutions: Mount Designs
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Existing Solutions: Mount Designs
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Existing Designs: Mount Attachments
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Existing Designs: Mount Attachments
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OverviewNeed ScopeBackgroundDesign RequirementsExisting Solutions/PatentsPreliminary CalculationsScheduleOrganization of Team Responsibilities
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Preliminary Calculations
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Preliminary Calculations
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Preliminary Calculations Example: Rear Mount
∑MWHEEL=0
0 = WMOUNTLMOUNT + 2FCASTER(LCASTER + LWHEEL) - WCHAIRLWHEEL
-WMOUNTLMOUNT = 100 FCASTER – 200(5)
-15LMOUNT = -1000
LMOUNT = 66.67 cm
Maximum distance 15N mount can be without tipping is 66.67 cm behind bottom of the wheel.
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OverviewNeed ScopeBackgroundDesign RequirementsExisting Solutions/PatentsPreliminary CalculationsScheduleOrganization of Team Responsibilities
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ScheduleTuesday, 2:30-5:30pmWednesday, 12:00-3:00pmSaturday, 12:00-3:00pmSunday, 10:00am-1:00pm
Create CAD designs during weekTest using 3D printer on weekend
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Schedule: Milestones
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OverviewNeed ScopeBackgroundDesign RequirementsExisting Solutions/PatentsPreliminary CalculationsScheduleOrganization of Team Responsibilities
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Organization of Team Responsibilities
Jennifer Management and organization responsibilities CAD designs
Sam CAD designs - experience with CAD because of Mechanical
Engineering minor Website formatting - experience with own website,
Slantable
Jake Calculations DesignSafe