1. Adjustable Art Table Team 9 Bruce Bassi Kristen Haldeman
Richard Sierra
Client Coordinator: Dr. Brooke Hallowell
Supervising Professor: Dr. John D. Enderle
Funding: National Science Foundation

2. Background Information
Passion Works Studio
Studio for artists with disabilities
Previous NSF Tables
Unstable
Required cords
Exposed electronics

3. Currently Marketed Adjustable Tables Available
Lack of wheelchair accessibility
Not easily adjustable
Electric

4. Our Previous Design
Components
Gas Springs
Gear Rack
Tabletop 30”x42”

5. Our Previous Design
Rear View
Side View

6. Problems With Old Design
Needs of the client changed
Old table was designed for one person
Must be used by multiple people
Previous parts incompatible with large table

7. Final Design
Components
Tabletop 72”x30”
Gas Springs
Unibearings

8. Tabletop
Round edges
6 feet long
Easy to clean

9. Gas Springs Stroke length: 13” Can hold 2,000 lbs Locking
Slowly raise with 14 lbs force

10. Hydraulic Release

11. Unibearings Can hold up to 300 lbs
User must unlock upper and lower brakes

12. How to use unibearings Must be disengaged to adjust table
Make sure that the unibearings are tight before the table is used

13. Unibearing testing
Unibearing testing at the SRF

14. Framing
Gussets

15. Framing and Tabletop
Extrusions attached to bottom of tabletop in 8 places
Gussets hold legs to the tabletop

16. Four base extensions prevent rocking

17. Budget Allotted $750 Part Manufacturer Quantity Total Cost
Original Tabletop
Officemax 1
$78.72
Locking Gas Spring
Easylift of America 2
$194.06
Parallel Hydraulic Release
$113.45
Shipping
$13.88
Handle (not used but purchase for design prior to changes)
MSC Industrial Supplies
$21.86
1” by 1” Aluminum Extrusion
Air Inc
249”
$55.99
1” by 3” Aluminum
Extrusion
62”
$32.24
New Tabletop
Staples
$64.99
8020 Accessories --
154.34
Gussets
Home Depot
$15.00
Total
$812.73

18. How to use table
To Raise Table
To Lower Table

19. Testing Final Product The table works well with wheelchairs
Original requirements have been met

20. Acknowledgements Dr. Enderle Chris Liebler NSF Funding
Rich and Serge from the machine shop
Tracy Makuch

21. Questions
…thanks for listening

22. Appendix
The following figures and tables have been included to aid in explanations for questions.

23. Gas Spring Specifications
Stroke Length
Diameters of Rod/Piston
Force of Gas
Length of Gas Spring (Fully Extended)
Blocking Force
350 mm (13.78 in)
10/22 mm
(.4/.87 in)
115 N
(25.8 lbs)
927 mm
(36.5 in)
12000 N
(~2,700 lbs)

24. Gas Spring

25. Parallel Hydraulic Release

26. Debcor Debcor $535 Not easily adjustable Not wheelchair accessible
Sharp edges

27. Balt Easy Model 3627 $378 Not for artists No leg room
Height adjustment out of desired range

28. Closet Masters Closet Masters $780
Good: Drawing surface, ease of adjustment
Bad: Electronic, no leg room

29. References 1. http://nsf-pad.bme.uconn.edu2. 3. 4. 5.
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