Headrests and vehicle seats having the same

Patent metadata

Field	Value
Publication number	US-9550438-B2
Application number	US-201414302787-A
Country	US
Kind code	B2
Filing date	Jun 12, 2014
Priority date	Jun 18, 2013
Publication date	Jan 24, 2017
Grant date	Jan 24, 2017

Abstract

Embodiments of the present invention may include a vehicle seat having a seatback and a headrest. The headrest has a first headrest portion, a second headrest portion and a headrest cover. The first headrest portion is connected to the seatback. The second headrest portion is provided nearer to a user seated in the seat than the first headrest portion. The second headrest portion is provided on the first headrest portion so as to be vertically movable. The headrest cover covers the first headrest portion and the second headrest portion. The headrest cover includes an elastic region. When the second headrest portion moves vertically with respect to the first headrest portion, the elastic region is deformed so as to allow movement of the second headrest portion.

First claim

What is claimed is:

1. A vehicle seat comprising:
a seatback; and
a headrest including:
a first headrest portion connected to one of the seatback and a vehicle body, the first headrest portion comprising a headrest stay and a rear pad mounted to the headrest stay;
a second headrest portion provided on the first headrest portion so as to be vertically moveable, the second headrest portion provided nearer to a seat occupant side of the seatback than the first headrest portion,
a headrest cover configured to cover the first headrest portion and the second headrest portion, the headrest cover having an elastic region so that when the second headrest portion moves vertically with respect to the first headrest portion, the elastic region is deformed so as to allow movement of the second headrest portion, and
an elastic member connected to the headrest stay and configured to connect the first headrest portion and the second headrest portion, wherein

during a collision when a vertical force is applied to the second headrest portion, the second headrest portion moves vertically relative to the first headrest portion independently of the seatback, and
the elastic member undergoes elastic deformation when the second headrest portion moves with respect to the first headrest portion.

2. The vehicle seat of claim 1 , wherein the headrest cover comprises:
a cover rear surface configured to cover the first headrest portion;
a cover front surface configured to cover the second headrest portion; and
a connection portion configured to cover an area between the cover rear surface and the cover front surface, the connection portion having the elastic region.

3. The vehicle seat of claim 2 , wherein the elastic region is provided over one of a portion of the connection portion and the entire area of the connection portion.

4. The vehicle seat of claim 1 , wherein the elastic region spans a boundary between the first headrest portion and the second headrest portion.

5. The vehicle seat of claim 1 , wherein
the second headrest portion comprises a front pad and a support member mounted to the front pad, and
the elastic member is further connected to the support member.

6. The vehicle seat of claim 1 , wherein the elastic member is situated in a region covered by the headrest cover.

7. A vehicle seat comprising:
a seatback; and
a headrest including:
a first headrest portion connected to one of the seatback and a vehicle body;
a second headrest portion provided on the first headrest portion so as to be vertically moveable, the second headrest portion provided nearer to a seat occupant side of the seatback than the first headrest portion,
a headrest cover configured to cover the first headrest portion and the second headrest portion, the headrest cover having an elastic region so that when the second headrest portion moves vertically with respect to the first headrest portion, the elastic region is deformed so as to allow movement of the second headrest portion,
an elastic member provided in an upper portion of the headrest and configured to connect the first headrest portion and the second headrest portion, and
a second elastic member provided in a lower portion of the headrest, the second elastic member is configured to connect the first headrest portion and the second headrest portion, wherein

during a collision when a vertical force is applied to the second headrest portion, the second headrest portion moves vertically relative to the first headrest portion independently of the seatback, and
the elastic member and the second elastic member undergo elastic deformation when the second headrest portion moves with respect to the first headrest portion.

8. A vehicle seat comprising:
a seatback; and
a headrest including:
a first headrest portion connected to one of the seatback and a vehicle body;
a second headrest portion provided on the first headrest portion so as to be vertically moveable, the second headrest portion provided nearer to a seat occupant side of the seatback than the first headrest portion, the second headrest portion comprising a front pad and a support member mounted to the front pad,
a headrest cover configured to cover the first headrest portion and the second headrest portion, the headrest cover having an elastic region so that when the second headrest portion moves vertically with respect to the first headrest portion, the elastic region is deformed so as to allow movement of the second headrest portion, and
an elastic member connected to the support member and configured to connect the first headrest portion and the second headrest portion, wherein

during a collision when a vertical force is applied to the second headrest portion, the second headrest portion moves vertically relative to the first headrest portion independently of the seatback,
the elastic member undergoes elastic deformation when the second headrest portion moves with respect to the first headrest portion, and
the elastic member is wrapped around the support member.

9. A vehicle seat comprising:
a seatback; and
a headrest having:
a first headrest portion connected to one of the seatback and a vehicle body;
a second headrest portion provided on the first headrest portion so as to be vertically movable, the second headrest portion being provided nearer to a seat occupant side of the seatback than the first headrest portion;
a first elastic member provided in an upper portion of the headrest, the first elastic member being configured to connect the first headrest portion and the second headrest portion, the first elastic member undergoes elastic deformation when the second headrest portion moves with respect to the first headrest portion; and
a second elastic member provided in a lower portion of the headrest, the second elastic member being configured to connect the first headrest portion and the second headrest portion, the second elastic member undergoes elastic deformation when the second headrest portion moves with respect to the first headrest portion.

10. The vehicle seat of claim 9 , wherein the headrest comprises a headrest cover configured to cover the first headrest portion and the second headrest portion, the headrest cover having an elastic region so that when the second headrest portion moves vertically with respect to the first headrest portion, the elastic region is deformed so as to allow movement of the second headrest portion.

11. A vehicle seat comprising:
a seatback; and
a headrest having:
a first headrest portion connected to one of the seatback and a vehicle body;
a second headrest portion provided on the first headrest portion so as to be vertically movable, the second headrest portion being provided nearer to a seat occupant side of the seatback than the first headrest portion;
a first elastic member provided in a first portion of the headrest, the first elastic member being configured to connect the first headrest portion and the second headrest portion, the first elastic member undergoes elastic deformation when the second headrest portion moves with respect to the first headrest portion; and
a second elastic member provided in a second portion of the headrest, the second elastic member being configured to connect the first headrest portion and the second headrest portion, the second elastic member undergoes elastic deformation when the second headrest portion moves with respect to the first headrest portion.

12. The vehicle seat of claim 11 , wherein the second portion of the headrest is located at an opposite side of the first portion of the headrest.

13. The vehicle seat of claim 11 , wherein the headrest c

Assignees

• Toyota Boshoku Kk

Inventors

• Mizobata Hiroshi

Classifications

• B60N2/4228

  due to impact coming from the rear · CPC title

• B60N2205/30

  Seat or seat parts characterised by comprising plural parts or pieces · CPC title

• B60N2/4808

  Operations & Transport · mapped topic

• B60N2/427 Primary

  Seats or parts thereof displaced during a crash · CPC title

• B60N2/809 Primary

  vertically slidable · CPC title