Headrest of a vehicle seat with a supporting member
AssigneeC. Rob. Hammerstein GmbH & Co. KG
InventorsBurckhard Becker, Rolf Steinmetz, Wilfried Beneker
Life of this patent
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AssigneeC. Rob. Hammerstein GmbH & Co. KG
InventorsBurckhard Becker, Rolf Steinmetz, Wilfried Beneker
Estimating the term…
The headrest of an automotive vehicle seat has at least one bar (20) and one supporting member (26). Normally, the supporting member (26) is in a utilization position. When the automotive vehicle is involved in an accident, the supporting member (26) leaves the utilization position and adopts an accident position in which it is located in front of the utilization position. The at least one bar (20) comprises an oblique portion (30) that is located above an upper edge (32) of a backrest of the automotive vehicle seat. Said oblique portion has one component in the x direction and one component in the z direction. The supporting member (26) comprises a guide region (34) that conforms to the oblique portion (30) of bar (20) and that is movable relative to the oblique portion (30). An elastic means (spring 48) biases the supporting member (26) in the accident position. A releasable locking device (52) is associated with the elastic means, which it normally blocks. When the automotive vehicle is involved in an accident, the elastic means is released and causes the supporting member (26) to move from the utilization position to the accident position.
A headrest of an automotive vehicle seat which headrest has at least one bar and one supporting member, the supporting member being normally in a utilization position and which headrest, when the automotive vehicle is involved in an accident, leaves the utilization position and adopts an accident position in which the supporting member is located, when viewed in the forward direction, in front of the position the supporting member has in the utilization position, whereby the automotive vehicle seat has a backrest, the backrest has an upper edge, the at least one bar comprises an oblique portion that is located above the upper edge of the backrest, said oblique portion has one component in the forward direction and one component in the vertical direction, the supporting member comprises a guide region that conforms to the oblique portion of the bar and that is movable relative to said oblique portion, an elastic means is provided, which is disposed between the at least one bar and the supporting member and biases the supporting member in the accident position and a releasable locking device is provided, which locking device being associated with the elastic means and normally blocks the elastic means, but releases the elastic means when the automotive vehicle is involved in an accident, in case of an accident the elastic means is allowed to cause the supporting member to move from the utilization position to the accident position.
Dependencies are inferred from the claim text.