Chairs and seats – Crash seat – Force-absorbing means incorporated into child seat
Patent
1996-01-19
1998-03-03
Cuomo, Peter M.
Chairs and seats
Crash seat
Force-absorbing means incorporated into child seat
29721616, 29721619, B60N 242
Patent
active
057227195
DESCRIPTION:
BRIEF SUMMARY
The invention concerns a seat, especially a child's, seat with a seat component adjustable on a frame for use in a motor vehicle or other means of transport, where the seat component is movable between a first and a second position, where the seat component is releasably secured in the first position and where locking element is provided which will be released when a specific value for kinetic energy is reached, and thereby enable a movement of the seat component.
The invention is based on the problems involving injuries particularly to children in the age group 0-6 years in car accidents in recent years. Children are more liable to suffer whiplash injuries than adults, since a child's head weighs more in relation to the total bodily weight. In a sitting position the head
eck region is also very exposed to external injuries caused by foreign bodies resulting from a collision. Furthermore, a child's internal organs are considerably more sensitive to pressure/impact than in the case of an adult.
There are already known seats for transporting children in motor vehicles, including a seat component which is permanently or adjustably fastened to a back support. There are further known child's seats for motor vehicles which are adjustable in the longitudinal direction and only intended for altering the sitting position. In the event of a collision there will be no change in the position of the seats.
FR 2 596 338 relates to a child's seat having only a longitudinal (back to front) movement, and which does not turn the child with its back to the collision point. The child's seat is not provided with a weight which contributes in guiding the rotation of the seat, and means for locking the seat after rotation. Furthermore, the seat can also be locked to prevent a rotation in a collision.
Reference is also made to UK 2 202 433 amongst others which describes such child's seats for motor vehicles being adjustable in the longitudinal direction and only for altering the sitting position. Further reference can be made to DE 39 31 436 which also describes a child's seat for a motor vehicle also having an adjustable head support.
In ordinary, child's seats for motor vehicles the child's body will be thrown towards the collision point and exposed to glass splinters or other loose foreign bodies which are flying through the air.
With regard to the approval of to-day's child's seats, these are based on collision tests either from directly in front or from directly behind. However, the injury, picture can be fundamentally altered by a change of only a few deuces in the collision angle. Moreover, from the statistical point of view, a collision picture according to the pattern of the collision tests is seldom seen in relation to the total number of variations in accident patterns. Thus, one of the requirements for the present invention is that it should function equally well regardless of where the collision point occurs.
A problem has arisen recently in connection with backward facing child's seats for motor vehicles mounted on the passenger side in private cars with airbags. Until now the positioning of backward facing child's seats for cars in the front seat has been considered to be the safest option. Due to the airbag this is no longer possible.
Thus, an object of the present invention is to provide a seat, especially a child's seat for motor vehicles which can absorb and neutralize much of the dangerous load to which a person is subjected by his body's own inertia, particularly in the head
eck region during a collision.
Thus, the general object of the invention is to provide a seat which can be mounted facing both forwards and backwards and which alters the body's position during a collision, to a position which is more favourable with regard to reducing the risk of whiplash injuries and the pressure on the internal organs, while also pulling the child's head
eck region away from the area which is particularly dangerous in a collision, e.g. a sitting position on a level with the windows.
By means of the invention there i
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Allred David E.
Cuomo Peter M.
HTS Hans Torgersen & Sonn as
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