Crash-active headrest
First Claim
1. A headrest that is for a vehicle seat, is for operating advantageously when there is a crash, and is for being connected for controlling purposes to a control unit that is arranged outside the headrest, the headrest comprising:
- a carrier, an impact element that can be extended relative to the carrier when there is a crash;
drive means for extending the impact element in response to the drive means being released;
components for holding and releasing the drive means, wherein the components comprise (a) at least one electrical device selected from the group consisting of an electromagnet and an electric motor, wherein the electrical device is for being energized, and (b) an actuator box that is positioned inside the headrest, wherein the actuator box comprises at least one component for at least partially controlling energizing of the electrical device, and the actuator box is for being operatively connected for controlling purposes to the control unit that is arranged outside the headrest, whereby the actuator box is an internal control unit.
1 Assignment
0 Petitions
Accused Products
Abstract
A headrest for a vehicle seat, in particular a motor vehicle seat, has a carrier, an impact element that can be extended relative to the carrier in the event of a crash, a drive means for extending the impact element, and components for holding and releasing the drive means. The components comprise an electromagnet (17) that is controlled and energized by a control unit, and an actuator box (41). The actuator box (41) is arranged inside the headrest as an internal control unit containing the components needed for energizing the electromagnet (17), and for control purposes it is connected to a control unit (C) arranged outside the headrest.
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Citations
22 Claims
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1. A headrest that is for a vehicle seat, is for operating advantageously when there is a crash, and is for being connected for controlling purposes to a control unit that is arranged outside the headrest, the headrest comprising:
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a carrier, an impact element that can be extended relative to the carrier when there is a crash;
drive means for extending the impact element in response to the drive means being released;
components for holding and releasing the drive means, wherein the components comprise (a) at least one electrical device selected from the group consisting of an electromagnet and an electric motor, wherein the electrical device is for being energized, and (b) an actuator box that is positioned inside the headrest, wherein the actuator box comprises at least one component for at least partially controlling energizing of the electrical device, and the actuator box is for being operatively connected for controlling purposes to the control unit that is arranged outside the headrest, whereby the actuator box is an internal control unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A headrest that is for a vehicle seat, is for operating advantageously when there is a crash, and is for being connected for controlling purposes to a control unit that is arranged outside the headrest, the headrest comprising:
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a carrier, an impact element mounted so that the impact element can be moved away from the carrier when there is a crash;
at least one spring for moving the impact element away from the carrier in response to the at least one spring being released;
components for holding and releasing the at least one spring, wherein the components comprise (a) at least one electrical device selected from the group consisting of an electromagnet and an electric motor, wherein the electrical device is for being energized, and (b) an actuator box that is positioned inside the headrest, wherein the actuator box comprises at least one component for at least partially controlling energizing of the electrical device, and the actuator box is for being operatively connected for controlling purposes to the control unit that is arranged outside the headrest, whereby the actuator box is an internal control unit.
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Specification