1. Senior Design II Presentation Easel 5000 Team 3 Alison Biercevicz, Seth Novoson, Justin Yu

2. Introduction Project Description Client Project Description Easel Market Existing Patents Preliminary Designs Material selection Mechanical Analysis Optimal Design LED system Prototype Materials Testing Concluding Remarks

3. The Project National Science Foundation Engineering Projects to Aid Persons with Disabilities Mission- To assist individuals in reaching their maximum potential for enjoyable and productive lives Clients Dr. Brooke Hallowell (NSF) Patty Mitchell (Passion Works Art Director)

4. The Artist Tom is an artist at Passion Works studios Big Headed Girl

5. Cerebral Palsy Cerebral palsy is a condition resulting from brain damage The symptoms Loss of fine motor ability Abnormal muscle tone Abnormal movements Vision problems

6. Project Objectives Construction of an easily adjustable easel Can be used by individuals with cerebral palsy Can be used in a studio environment with minimal supervision Can be adjusted with the help of an assistant. Resolution of previous design issues

7. Previous Projects Design Issues Stated by Dr. Hallowell: Complicated actuator Hazard due to exposed electrical cords Could not be moved easily The canvas could not be positioned over the artist No light source Senior Design Project 2003

8. Design Constraints No electrical cords No electric motors Easily adjustable Can attach to a specific table Can be positioned over the user Can hold specific canvas dimensions Cost is below $750

9. Marketed Easels Able Table Versa-Table “The Dreamer”

10. Marketed Easels Able Table Positives Price: $64.95 Versatile use Supports 30 lbs. Difficult to adjust Somewhat Fragile ABLEDATA.com

11. Marketed Easels Versa Table Price: ~$115.00 Positives Lightweight Portable Easy to use Easy to store Adjusts for height, depth, and angle Does not adjust to desired position of client ABLEDATA.com

12. Marketed Easels “The Dreamer” Advantages: Motorized Stable Allows for large canvases Adjusts to height, length, and direction Disadvantages Very large No storage options Expensive: $3,025 Mouthstick.net

13. Patents Inclined adjustable A-frame style easel with sliding drawer (Patent 6,045,108) Easel adjusted by means of a crank (Patent 5,074,513) Ornamental foldable portfolio with adjustable easel (Patent D249,533)

14. Easel 5000 Specific Objectives Support up to 20”x24” Canvas or a 9”X36” aluminum sheet User friendly Portable Stable No motors or electrical parts requiring a wall outlet. Relatively inexpensive (<$750)

15. Preliminary Designs

16. Design 1 Canvas Attachment Frame Easel Extender Arms Easel Base Wooden Construction Integrated Shelf Storage Compartment

17. Design 2 Adjustable Beam Slide Canvas Holder Easel Extender Arms Easel Base Locking Gas Spring Aluminum Construction Aluminum Construction Utilizes lockable sliding track Utilizes lockable sliding track Includes simpler canvas holder Includes simpler canvas holder Most expensive design Most expensive design

18. Design 3/Optimal Design Locking Gas Spring Extender Arm Canvas Holder Canvas Base Aluminum Construction Aluminum Construction Locking Gas Springs Locking Gas Springs Sliding Shelf Sliding Shelf LED light LED light

19. Prototype

20. Phases Machine shop certification Part Orders Cut pieces for construction Construct + Design of the LED system Final prototype construction Testing/troubleshooting Documentation

21. Prototype Materials Easel frame consists of 80/20 extrusions 80/20 considered to be “industrial erector set” LED system designed with Express PCB LED Encasement from Hammond Mfg.

22. Prototype

23. Prototype Subunit – Easel Base Fits wheelchair tray Acts as c-clamp with tightening screws

24. Prototype Subunit – Extension Arms 2–arm system implemented for stability 180–degree pivot joints for large range of motion

25. Prototype Subunit – Canvas Holder Able to hold canvas sizes up to 20”x24” Adjusted using 180– degree pivot joints to extend range of motion even more Can be positioned to be over artist

26. Prototype Subunit – Canvas Clamp Rubber stripping on clamp to hold canvas in place Able to support painting surfaces of various shapes and materials

27. Prototype Subunit – LED System Battery powered (rechargeable) Dimming option Adjustable positions by use of friction hinge

28. Prototype Subunit – LED System PCB made using Express PCB LM555 Circuit

29. Testing Simulated Motion Restrictions No movement of the left arm Tester was reclined Center for Students with Disabilities Contacted an individual with CP Asked to draw semi-complex shapes Circles Cartoon characters Animals

30. Testing Six Testers Three independent One individual with CP Three Group Positive reviews from each Adjustability, ease of use “Cool” LED system Unique design

31. Budget Part of Project Allowance LED Light148.55 PCB99.87 Battery68.71 End Caps25 Easel Frame505.95 Total Finishing Touches35.91 124.87 Shipping57.1 Total-Allowance Total 816.22 691.35

32. Conclusion ‘Easel 5000’ includes new, easy to use features Easy adjustability with user-friendly interface Battery powered lighting system Attaches to wheelchair tray Finished easel to be sent to Passion Works Studio for artists’ use

33. Acknowledgements Professor John Enderle - BME Department Head Chris Liebler - Teaching Assistant BME 290/291 Patty Mitchell - Art Director for Passion Works Studios Brooke Hallowell – NSF Coordinator Professor Robert Northrop - BME professor UConn John Parmelee - head of set design for UConn Joyce Frank - Studio Coordinator for Passion Works Studios Kurt Jamlin - Sales Representative for LEDtronics Nicki Sobcinski - Sales Representative for Reell Incorporated Jeff Dutches - Sales Representative for OKW Enclosures Hammond Manufacturing Paul Dufilie - ECE department Jennifer Lucia – Center for Students with Disabilities Contact The Testers – Liz, Lauren, and Jen.