"Seat Back Failure" a Life-Threatening Defect

"Seat back failure" is a life-threatening defect in manySafety Administration (NHTSA) 30-mph rear impact
automobiles that cause numerous injuries and deathscrash tests (FMVSS 301). The hazard of seat back
each year. There are estimates that in 1990 therefailure originates from the inadequate Federal Motor
were 1,100 fatalities and 1,600 serious injuries due toVehicle Safety Standard (FMVSS) 207 - Seating
seat collapses in rear-ended collisions. These injuriesSystems. This current standard has not been
could have been prevented had the seat backs beenupdated in over thirty years. It requires that a seat
designs been replaced with proven safety measuresmust withstand a pull of 3,300 inch-pounds applied
that have been readily available for decades.about the seat back in a rearward direction.
The underlying problem is that the national safetyThe NHTSA has been petitioned numerous times to
standard does not require adequate seat strengthstrengthen its existing standard. They have received
and many manufacturers would rather install cheaper,complaints of seat backs collapsing in more that two
more dangerous seats in the lower priced lines ofdozen different cars, including models made by all of
their cars and trucks than the more expensive, saferthe American automobile manufacturers. The
seats. Every American automobile manufacture hasstandard is so inadequate that the majority of the
had complaints regarding seat back failure.petitioners are asking for an increase at least 6-fold.
Seat backs fail under various circumstances.That would increase the pull that a seat must
However, the ultimate cause of these failures is thewithstand from 3,300 inch-pounds to about a 20,000
rearward collapse of the seat back by an occupant'sinch-pounds.
body mass. Some seat backs fail due to the relativeFord Motor Company has been aware of dangerous
acceleration of this mass during a collision, whereasseats for over 30 years. This deadly problem was
others fail under the weight of the occupant whileinvestigated by Ford in 1992, and the outcome was
the vehicle is either stationary or traveling at athat the seats cause serious harm in the event of
constant velocity.rear-end collisions. The Ford Motor Company did not
The two most common types of collapse are themake any design changes to combat the seriousness
failure of the seat back support system to maintainof the seat back failure.
an upright position and the deformation of the seatBisnar|Chase represented a mother of a seven year
back frame itself. Failures that have been attributedold girl who died as the result of a seat back failure.
to deformation of the mounting system that holdsThe plaintiff and her daughter were rear-ended at 25
the seat to the vehicle floor or to a collapse of themiles per hour while in a Ford Escort. As a result of
vehicle floor pan are less common. Another problemthe faulty seats, the mother's head struck the
is the detachment of adjustable head restraintsdaughter in the chest, causing the daughter's heart to
during an accident.rupture, as well as internal bleeding. The young girl
When a vehicle is impacted from the rear, the forcesdied one day later.
of the impact propel the vehicle forward and theIn 2000, another Ford Escort was in a rear-end
occupants are thrown backwards. The seat backaccident that caused a man's death. When the Ford
should be able to keep the vehicle's occupants safeEscort was rear-ended, the driver's seat collapsed
by keeping the individual from ejection, and frombackward, hurling him into the rear of the car's cabin.
striking interior components or other passengers. IfThe man was fatally injured by the impact of the
designed properly, the seat back should keep thecar's rigid interior.
occupant in a secured upright position. When aThe Ford Explorer is another Ford model that has
seatback collapses rearward in an accident, manyhad a history of seat back collapse injuries. Our client
serious conditions arise:was in a rear end accident when her seat collapsed
- The driver can lose control of the vehicle if unablebackward ejecting her into the back of the vehicle.
to sit upright while the vehicle is in motion, causingThe impact severed her spinal cord and left her a
multiple collisions and further injuryparaplegic.
- Partial or complete ejection from the vehicle, whenVirtually every front seat produced by General
the occupant has slid out from under the seat beltMotors Corporation (GM) from 1970 to the mid
- Interior impacts, by the occupant into the interior1990's was designed to collapse rearward in an
structures of the vehicle or into the other occupantsimpact in which there was a speed change of 15
- A front seat collapsing can cause serious injury ormiles per hour or greater. According to documents
death to the rear seat occupants trapped underneathobtained by CBS for its series on seats collapsing in
the collapsed seat backrear-end collision, in 1992, GM attorneys advised top
- Blocking of the exits, in the event that that aexecutives that there standard seats could no longer
ruptured fuel system has caused a firebe defended.
There can be catastrophic results of seat backGM knew, as early as 1966, that seat strength is
failure. Injuries to occupants of collapsing seats oftendirectly related to occupant safety in a rear impact
include devastating or fatal head and spinal cordcollision. They have known that the occupant survival
injuries. These injuries occur when the occupant'sdepends largely upon a front seat structure that
seat collapses and allows the occupant to strike theholds the passenger in an upright position, yet, they
rear seat or the b-pillar in the back seat. Injuries tohave not upgraded there seats. A leading GM
the occupants behind collapsing seats often occurengineer, David C. Viano, in a 1994 internal GM study,
when the occupant of the collapsing seat strikes theprojected that 376 to 470 lives could be saved each
passenger seated directly behind the collapsing frontyear and estimated that improvements would
seat. The contact between the two occupants oftenprevent 1,000 serious injuries each year in rear-end
results in fatal or devastating head or chest injuries.collisions if the company strengthened its seat backs.
The safety standards for automobile seats areDaimlerChrysler has been known to have seats
viewed as being too lenient and not updated tocollapse as well. In 2001, a mother, one of our clients,
protect vehicle occupants form injuries otherwisewas driving one of the manufacturer's minivans and
avoidable. Automobile seats are only required to passwas ejected from her seat during a crash due to a
a strength requirement. They are not required to goseat back collapse. The collapsed seat caused the
through a crash test rating system even though seatmother to fatally strike her 8-month old child, who
backs regularly fail during National Highway Trafficwas in a car seat behind her.