Head restraint for a vehicle seat
View Patent ↗A head restraint for a vehicle seat is provided. The head restraint includes a basic body and a foam body surrounding the basic body. The foam body at a front has a contact surface for a head of a person using the vehicle seat, and a front surface of the basic body facing the contact surface has a vertically running concave curvature. The basic body in a region of an upper end of the contact surface comprises a ramp, which, with respect to a portion of the front surface of the basic body arranged below this upper end, is directed towards the front.
1. A head restraint for a vehicle seat, the head restraint comprising:
a basic body includes a depression formed in a front surface of the basic body and having a vertically running concave curvature and a horizontally running concave curvature, and
a foam body surrounding the basic body, wherein the foam body at a front comprises a contact surface for a head of a person using the vehicle seat, and the front surface of the basic body facing the contact surface, wherein the basic body in a region of an upper end of the contact surface comprises a ramp, which with respect to a portion of the front surface of the basic body arranged below the upper end is directed towards the front.
2. The head restraint according to claim 1 , wherein the head restraint is for a backrest of a motor vehicle seat.
3. The head restraint according to claim 1 , wherein the basic body is configured stiff.
4. The head restraint according to claim 1 , wherein the basic body is in one piece.
5. The head restraint according to claim 1 , wherein the basic body is formed of plastic.
6. The head restraint according to claim 5 , wherein the basic body is formed as plastic injection molding.
7. The head restraint according to claim 1 , wherein a surface of the basic body in a lower portion is arranged substantially vertically.
8. The head restraint according to claim 7 , wherein the surface of the basic body in a region of the lower half of the basic body is arranged substantially vertically.
9. The head restraint according to claim 1 , wherein the basic body is completely surrounded by the foam body.
10. The head restraint according to claim 1 , wherein the ramp extends in width direction of the basic body in a region of its upper end.
11. The head restraint according to claim 10 , wherein the ramp extends in width direction of the basic body in the region of its upper end, in a middle region of the basic body.
12. The head restraint according to claim 1 , wherein a front end of the ramp runs along a horizontal direction.
13. The head restraint according to claim 1 , wherein a thickness of the foam body in the region of the ramp is smaller than the thickness of the foam body in a region of the contact surface located below the ramp.
14. The head restraint according to claim 13 , wherein the thickness of the foam body from the region of the ramp as far as to a lower end of the basic body increases in size.
15. The head restraint according to claim 1 , wherein a thickness of the foam body between the ramp of the basic body and the contact surface of the foam body is about 8 to about 10 mm and the thickness of the foam body from the ramp as far as to a vertical middle of a surface of the basic body increases to about 12 to about 18 mm.
16. The head restraint according to claim 15 , wherein the thickness of the foam body between the ramp of the basic body and the contact surface of the foam body is about 8 to about 10 mm and the thickness of the foam body from the ramp as far as to a vertical lower end of the surface of the basic body increases to about 25 to about 30 mm.
17. The head restraint according to claim 1 , wherein the foam body in a region of the contact surface comprises an upper protrusion directed towards the front at a top and a lower protrusion directed towards the front at a bottom.
18. The head restraint according to claim 17 , wherein a line touching the upper and lower protrusions is arranged at an angle of ≧0°, wherein at an angle >0° the lower protrusion is arranged in front of the upper protrusion.
19. The head restraint according to claim 1 , wherein the foam body in a region of the contact surface comprises a horizontal, concave curvature and/or vertical, concave curvature adapted to a curvature of the head of a vehicle occupant in a region at a back of the head of the vehicle occupant.