SEAT

• US 20100164204A1
• Filed: 10/16/2006
• Published: 07/01/2010
• Est. Priority Date: 01/11/2006
• Status: Active Grant

• Current Assignee: Takata Corporation (Ningbo Junsheng Investment Group Co., Ltd.)
• Original Assignee: Takata Corporation (Ningbo Junsheng Investment Group Co., Ltd.)
• Inventors: Sugimoto, Shinichi, Takedomi, Akifumi
• Granted Patent: US 7,896,388 B2
• Time in Patent Office: Days
• US Class Current: 280/730.100
• CPC Class Codes: B60N 2/58 Seat coverings
• CPC Class Codes: B60N 2002/5808 comprising opening zones for airbags
• CPC Class Codes: B60R 2021/0048 Head
• CPC Class Codes: B60R 21/207 in vehicle seats

Abstract

To provide a seat that enhances the stability and expansion speed with respect to the inflation expansion performance of airbag unit disposed thereinside. In one form, a seat is provided comprising a backrest part covered at its entirety with top fabric material and, at a given region of the top fabric material, it is furnished with tear line; an airbag constituted of a bag consisting of two basis fabrics joined together and disposed within the backrest part so as to at the time of inflation, cleave the tear line and expand over the head of driver or passenger; and reinforcing fabric disposed on the top fabric material so as to inhibit any cleavage of the top fabric material at regions other than the tear line.

Claims

1. A seat comprising:

a backrest covered with a skin cloth and including a cleavage portion at a predetermined portion of the skin cloth;

an airbag formed of a bag member in which a base cloth is joined, the airbag being provided in an interior of the backrest so as to be deployed towards an upper side of the head of an occupant as a result of cleaving the cleavage portion during inflation; and

a cleavage restricting member provided at the skin cloth so as to restrict a cleavage of the skin cloth at a portion other than the cleavage portion.

2. The seat according to claim 1, wherein an end of the cleavage restricting member is provided so as to substantially match an end of the cleavage portion.

3. The seat according to claim 1, wherein the cleavage restricting member is provided near an end of the cleavage portion.

4. The seat according to claim 1, wherein the cleavage restricting member is provided at a stitch portion of the skin cloth.

5. The seat according to claim 1, wherein a damping layer is provided at an inner side of the skin cloth, and the cleavage restricting member is provided at the damping layer.