Vehicle seat having a seat proper of adjustable height
First Claim
1. A vehicle seat comprising a back and a seat proper which extends in a longitudinal direction between a rear end close to the back and a front end remote from the back, said seat proper comprising a rigid frame supported by a raising mechanism for moving the seat proper upwards or downwards, the raising mechanism being controlled by an actuator comprising a tube having a nut fixed at one end thereof and having a screw rotated by a motor and co-operating with the nut, the screw of the actuator being provided with a free end situated inside the tube of the actuator, the raising mechanism further comprising an elastically-deformable member for assisting the motor of the actuator while moving the rigid frame upwards, wherein said elastically-deformable member is housed inside the tube of the actuator between the free end of the screw of the actuator and a support element secured to the tube of the actuator.
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Accused Products
Abstract
A vehicle seat comprising a back and a seat proper which includes a rigid frame supported by a raising mechanism for moving the seat upwards or downwards, the raising mechanism being controlled by an actuator which comprises a tube provided with a nut and a screw which co-operates with the nut, the screw being provided with a free end situated inside the tube, the raising mechanism further comprising an elastically-deformable member for assisting the motor of the actuator. The elastically-deformable member is housed inside the tube of the actuator between the free end of the screw and a support element secured to the actuator tube.
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Citations
11 Claims
- 1. A vehicle seat comprising a back and a seat proper which extends in a longitudinal direction between a rear end close to the back and a front end remote from the back, said seat proper comprising a rigid frame supported by a raising mechanism for moving the seat proper upwards or downwards, the raising mechanism being controlled by an actuator comprising a tube having a nut fixed at one end thereof and having a screw rotated by a motor and co-operating with the nut, the screw of the actuator being provided with a free end situated inside the tube of the actuator, the raising mechanism further comprising an elastically-deformable member for assisting the motor of the actuator while moving the rigid frame upwards, wherein said elastically-deformable member is housed inside the tube of the actuator between the free end of the screw of the actuator and a support element secured to the tube of the actuator.
Specification