Vehicle seat and method of manufacturing vehicle seat

• US 10,414,305 B2
• Filed: 09/10/2014
• Issued: 09/17/2019
• Est. Priority Date: 01/31/2014
• Status: Active Grant

• Current Assignee: Tachi-S Company Limited
• Original Assignee: Tachi-S Company Limited
• Inventors: Ishii, Atsushi, Mizuno, Shinichi
• Primary Examiner(s): Nguyen, Chi Q
• Application Number:
  US15/112,190
• Publication Number:
  US 20160368405A1
• Time in Patent Office: 1,833 Days
• Field of Search: 297225, 2972281, 29722811, 297229, 2972191, 29745216, 29745258, 2972182, 2972181, 29745256, 29745261
• CPC Class Codes: B60N 2/58 Seat coverings
• CPC Class Codes: B60N 2/5866 by thermal welding
• CPC Class Codes: B60N 2/5891 characterised by the manufacturing process; manufacturing seat coverings not otherwise provided for
• CPC Class Codes: B60N 2/64 Back-rests or cushions B60N2/2222 takes precedence

Abstract

A comfortable, well-designed vehicle seat (1) is provided by giving an outstanding, three-dimensional appearance to the surface layer of the vehicle seat so that a new design is achieved and that softness is improved. The vehicle seat has a seat cushion (2) serving as the sitting surface of the seat, a seatback (3) serving as the backrest of the seat, and a headrest (4) protecting the head and neck of an occupant. The surface of at least one of the seat cushion and the seatback is provided with a cover formed of a cloth including an upholstery material (6), a cushion material (8), and a heat-shrinkable material (9). The cover is stitched so that a plurality of bumps and dips are formed on the surface thereof.

Claims

1. A vehicle seat comprising:

a seat cushion serving as a sitting surface of the seat;

a seatback serving as a backrest of the seat; and

a headrest disposed to protect an occupant'"'"'s head and neck,

wherein a surface of at least one of the seat cushion and the seatback is provided with a cover formed of a cloth including an upholstery material, a cushion material, and a rubber material, a surface of the upholstery material having a plurality of bumps and dips, and

wherein the bumps and dips are formed by stitching the cover with the rubber material being in a mechanically extended state, and thereafter releasing the extension of the rubber material.

2. The vehicle seat according to claim 1, wherein the plurality of bumps and dips provide a three-dimensional pattern on the surface of the stitched upholstery material.

3. The vehicle seat according to claim 2, wherein the three-dimensional pattern on the surface is geometric.

4. The vehicle seat according to claim 1, wherein the cushion material is urethane or cotton.