Vehicle seat adjustment system including an occupant protection adjustment
First Claim
1. A vehicle seat adjustment system comprising:
- a vehicle seat having a seat portion and a back rest portion;
a hydraulic actuator that adjustably moves one of the seat portion and the back rest portion of the vehicle seat;
a primary activation system controlling a flow of hydraulic fluid to the hydraulic actuator, the hydraulic actuator moving the one of the seat portion and the back rest portion of the vehicle seat; and
a secondary activation system which is activated in the event of a detected impact, the secondary activation system activating the hydraulic actuator and automatically moving the one of the seat portion and the back rest portion of the vehicle seat.
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Accused Products
Abstract
A vehicle seat adjustment system for adjusting the position of a portion of a vehicle seat. The system comprises a hydraulic actuator, a primary activation system for operating the hydraulic actuator and adjusting the seat position, and a secondary activation system for the hydraulic actuator. The secondary activation system is arranged to be activated in the event of a detected crash, to provide for movement of the hydraulic actuator to automatically adjust the position of a portion of the seat towards a predetermined position. The secondary activation system comprises a chamber to allow fluid to be displaced from the hydraulic actuator into the chamber. The secondary activation system may additionally comprise a fluid injection unit which supplies a quantity of fluid, preferably gas, to the actuator.
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Citations
18 Claims
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1. A vehicle seat adjustment system comprising:
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a vehicle seat having a seat portion and a back rest portion; a hydraulic actuator that adjustably moves one of the seat portion and the back rest portion of the vehicle seat; a primary activation system controlling a flow of hydraulic fluid to the hydraulic actuator, the hydraulic actuator moving the one of the seat portion and the back rest portion of the vehicle seat; and a secondary activation system which is activated in the event of a detected impact, the secondary activation system activating the hydraulic actuator and automatically moving the one of the seat portion and the back rest portion of the vehicle seat. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification