Crash sensor for a motor vehicle seat, has a sensor mass and Bowden traction unit that move relative to each other and have different strength spring arrangements so that the sensor is better matched to different crash situations

Crash sensor for a vehicle seat, especially a motor vehicle seat has a housing (11) with a sensor mass (31) that is mobile within the housing in a longitudinal direction and a Bowden traction unit (21) that acts in an external direction. Bowden traction unit and sensor mass move relative to each oth...

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Bibliographische Detailangaben
Hauptverfasser:	SCHAEFER, VOLKER, WEISGERBER, WERNER, KREUELS, OLAF, BERBERICH, ANDREAS, JUNG, THOMAS, RENNO, STEFAN
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PERFORMING OPERATIONS PHYSICS SEATS SPECIALLY ADAPTED FOR VEHICLES TESTING TRANSPORTING VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	Crash sensor for a vehicle seat, especially a motor vehicle seat has a housing (11) with a sensor mass (31) that is mobile within the housing in a longitudinal direction and a Bowden traction unit (21) that acts in an external direction. Bowden traction unit and sensor mass move relative to each other. The invention also relates to a corresponding motor vehicle seat with an active head rest that is activated by an inventive crash sensor in the case of an accident. The crash sensor activates a drive that moves a cushion element in the headrest rapidly forwards. Bei einem Crashsensor (1) für einen Fahrzeugsitz, insbesondere für einen Kraftfahrzeugsitz, mit einem Gehäuse (11), einer innerhalb des Gehäuses (11) in Längsrichtung beweglich angeordneten Sensormasse (31) und einer wenigstens teilweise innerhalb des Gehäuses (11) beweglich angeordneten Bowdenzugeinheit (21), sind die Bowdenzugeinheit (21) und die Sensormasse (31) relativ zueinander beweglich angeordnet.