Bruce Bassi

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 30x42

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 72x30
• 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
Base

• 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 Easylift of America 1 113.45
Shipping Easylift of America 1 13.88
Handle (not used but purchase for design prior to changes) MSC Industrial Supplies 1 21.86
1 by 1 Aluminum Extrusion Air Inc 249 55.99
1 by 3 Aluminum Extrusion Air Inc 62 32.24
New Tabletop Staples 1 64.99
8020 Accessories Air Inc -- 154.34
Gussets Home Depot 2 15.00
Total 812.73
18
How to use table

• To Lower Table

To Raise 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.edu
• 2. http//www.closet-masters.com/Ergonomics_SF/Hei
  ght_adjustable_tables/
• 3. www.EasyLiftSprings.com
• 4. http//www.dickblick.com/zz501/00/
• 5. http//888ergodir.com/Merchant2/merchant.mvc?Sc
  reenPRODProduct_Code
• WOWCategory_CodeWS