Small women expose seat design
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1. The document discusses issues with current automobile seat design processes that do not account for different driver sizes and sitting postures. 2. It notes that occupied seat design is not integrated into overall vehicle design and seat design methods are over 50 years old. 3. Driver manikins are not used to design seats within the vehicle, which is needed to properly evaluate driver access and comfort. 4. As a result, drivers must adapt their sitting postures to the existing seat designs. 5. The document argues that seat design should be integrated into the overall vehicle concept design phase. 6. It states that 65% of seating comfort comes from how the seat affects the driver's sitting posture.
Small women expose seat design
- 1. Small women expose seat design Disruptive Technology Needed!
- 2. Some seats are too small!
- 3. Some seats are too tall!
- 4. J. D. Power 2012 APPEAL Survey. Owners say “Seating is unsatisfactory!”
- 5. Desirable cars, Unsatisfying seats!
- 6. High Quality and High Tech!
- 8. Engine replaced horse, but car used carriage seat! 1893
- 9. Cars for everyone! 1910
- 10. Driver Passenger
- 11. We can sit ON anything!
- 12. Driver occupies seat in the car!
- 13. THE PROCESS 1 Occupied seat design is not part of car design!
- 14. 2 Seat Design uses 50+ yr. old process.
- 15. First Driver Manikin in Car is “Oscar” (SAE J826)! 1962
- 16. “Oscar” represents a composite male body size! Average man’s torso 1962 Large man’s leg
- 17. No Seat for 3 Driver Manikins in Vehicle Design!
- 18. Design starts with Oscar and Population Statistics. Vision statistics Seat travel “Oscar” statistics
- 19. Drivers’ body sizes are represented in statistics! 1400 1500 1600 1700 1800 1900 Stature (mm)
- 20. Oscar and average US male differ at head and torso shape. 1962 vs. 1995 Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138
- 21. Driver manikins evaluate reach & vision in CAD. Safework JACK SAMMIE RAMSIS
- 22. Driver manikins “sit” ON seating caricatures in CAD. Safework JACK SAMMIE RAMSIS
- 23. First real drivers test prototype seat, not postural adaptations.
- 24. Test drivers adapt driving posture to test seat.
- 25. All Federal Motor Vehicle Safety Standards use “Oscar” based upon industry tools & practices in 1967 FMVSS 101 Controls & Displays FMVSS 111 Rearview Mirrors FMVSS 201 Occupant Protection in Interior Impact FMVSS 203 Impact Protection for the Driver from the Steering Control System FMVSS 204 Steering Control rearward displacement FMVSS 207 Seating System FMVSS 208 Occupant Crash Protection FMVSS 209 Seat Belt Assemblies FMVSS 210 Seat Belt Assembly Anchorage FMVSS 214 Side Impact Protection
- 26. Test of head restraint design uses Oscar. FMVSS 202a
- 27. Focus is on quality products and regulations!
- 30. 4 Drivers Adapt Postures to sit in Seating Design.
- 31. Small driver ADAPTATION. Sitting Position & Posture for Downward Vision
- 32. Small Driver wants to sit upright for good vision! Erect Neutral ERL Posture Report, June21, 1996 Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138
- 33. Medium driver ADAPTATION. Sitting Position & Posture for Reach & Vision
- 34. Drivers want to sit in their preferred posture & position. Neutral Slumped Erect ERL Posture Report, June21, 1996 Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138
- 35. Large driver ADAPTATION. Sitting Position & Posture for Head & Leg Space
- 36. Large driver reclines for head clearance Neutral Slumped ERL Posture Report, June21, 1996 Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138
- 37. Seat Position & Sitting Posture change with seating design
- 38. Head Restraint for all drivers needs to be Safe & Comfortable!
- 40. 5 Design for Seating has to START at Vehicle Concept! Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138
- 41. Driver manikins have to sit in car seating to design for drivability, safety & comfort. Large Medium Small Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138
- 42. Can a driver manikin represent real driver seating comfort?
- 43. Yes, 65% 6 of comfort comes from seating effects on driver's sitting posture!
- 44. ERL manikins correlate with real driver seat comfort scores. Erect Vision Neutral Space Slumped Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138
- 45. ERL designs seating in car for sitting postures, safety, ergonomics and comfort.
- 46. “Oscar,” required by law, is one more “driver” for seating design. Erect Neutral Slumped J826 Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138
- 47. Driver manikins design and evaluate seating in ERL. Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138
- 48. Benefits! Driver is satisfied with car AND seat. Manufacturer knows seat design comfort. Engineer knows drivers’ sitting positions. Designer styles seating surface for driver.
- 49. Car is desirable! Car needs seating design for sitting postures. Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138
- 50. Small women highlight problem for all drivers
- 51. Owners say "Seating is Unsatisfactory! "
- 52. In Summary, 1. Occupied seat design is not part of car design. 2. Seat design uses 50+ year old process. 3. No seat for driver manikins in car design. 4. Drivers adapt sitting postures to sit in seat. 5. Design for seating has to start at Vehicle Concept. 6. 65% of comfort comes from seating effects on driver’s sitting posture.
- 53. For Additional Information, Contact me: H. Mac Reynolds, Ph.D. reynolds@erlllc.com 517-256-3180