Headrest for motor vehicle

Details Headrest for motor vehicle Headrest for motor vehicle

2007-11-13

2007-11-13

Nelson, Jr., Milton (Department: 3636)

Chairs and seats

Crash seat

Force-absorbing means incorporated into headrest area

Reexamination Certificate

active

11324912

ABSTRACT:
The headrest has a first structural component for fastening the headrest to a seat back of a motor vehicle seat and a second structural component that is movable with respect to said first structural component in the event of a crash. A drive unit is disposed between the first structural component and the second structural component and comprises a locking unit, which is locked in the normal case, and a crash sensor connected to the locking unit which it controls. The locking unit comprises a disengagement drive with an electromagnet or a piezoelectric drive. The locking unit has one retainer member associated with the first structural component and one movable disengagement member associated with the second structural component. Retainer member and disengagement member are connected together via a hinge or via balls. The disengagement drive is capable of causing said disengagement member to move.

REFERENCES:
patent: 6082817 (2000-07-01), Muller
patent: 6688697 (2004-02-01), Baumann et al.
patent: 6715829 (2004-04-01), Svantesson et al.
patent: 6957858 (2005-10-01), Yetukuri et al.
patent: 7108320 (2006-09-01), Schafer et al.
patent: 102 15 054 A 1 (2003-10-01), None

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