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Areas of Expertise
Airbags
Animation
Biomechanics
Computer Simulation
Construction
Doors
Electric Fire
Electric Shock
Falls
Forklift
Golf Carts
Guarding
Human Factors
Ladders
Motorcycles
Occupant Injury
Parking Lots
Pedestrians And Bikes
Pools
Power Saws
Product Liability
Premises Liability
Retail Stores
Rollovers
Seatbelts
Sports Playground
Standards
Structures
Trucks
Vehicles
Visibility
Warnings
Whiplash
Slopes
Geofoam
Blasting
Retaining Walls
Structure Cracking
Collapse
Faulty Construction

Technology Associates
Forensic Engineering Experts - Ph (800) 358-9909 - Fax (888) 358-9901
SEATBELTS
Motor vehicle seatbelt use provides highly effective protection in frontal collisions for impacts at angles up to 30 degrees off-center (i.e. between 11 and 1 o’clock). All states have laws requiring their use for front seat passengers, as they have been shown to reduce moderate to severe injuries by 50%. They are less effective when your car is hit in the rear or side and sometimes their locking devices malfunction or the anchorage gives way. For children, seatbelts should always be used in conjunction with rear facing infant seats (for infants up to 22 lbs), child seats (for ages 1 to 4, weighing up to 40 lbs) and booster seats for children between 4 and 8 (up to 80 lbs). Back seat placement is required for children in cars equipped with airbags. Seatbelts

Expertise

Questions Answered
We have extensive experience with many seatbelt issues including:
  • Seatbelt stretch and slack effects
  • Whether wearing them would have reduced injury in a particular accident
  • Seatbelt examination and surrogate testing
  • Simulating occupants in a crash or rollover with and without a seatbelt
Through scientific analysis, we can help you answer pertinent questions such as:
  • Could the vehicle occupant’s head strike the windshield even when wearing a seatbelt?
  • Were the victim’s injuries consistent with the wearing of a seatbelt?
  • Would the injuries sustained have been avoided if a seatbelt was worn?

Past Case Examples
Rear seated belted passenger fatality: Pickup truck rollover:

   A woman fell asleep at the wheel and drove her car off the road killing one rear seated young son and seriously injuring a second. By examining the seatbelt ribbon, we detected long abrasion marks that indicated that the seatbelt worn by the deceased malfunctioned. The parent’s attorney was able to settle the case easily after disclosing our report to the automobile manufacturer.

   A pickup truck’s brakes failed to hold, causing the driver to swerve to avoid striking cars stopped ahead of him. Two unbelted passengers in the front seat were thrown from the pickup as it rolled, causing the woman to receive a life-long brain injury. We helped the defendant show that her injuries occurred only after she left the vehicle, prompting a greatly reduced settlement.

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