×

Method of manufacturing a seat back cushion assembly

  • US 10,576,853 B2
  • Filed: 05/18/2017
  • Issued: 03/03/2020
  • Est. Priority Date: 05/18/2017
  • Status: Active Grant
First Claim
Patent Images

1. A method of manufacturing a seat cushion for a vehicle seat assembly, the seat cushion having side edges and top and bottom edges, the method comprising:

  • providing an outer material to define a surface that faces a seat occupant;

    sewing a backing material to the outer material using a linear first longitudinally oriented sewing line;

    placing a first wadding material adjacent to the linear first longitudinally oriented sewing line in a centrally located region of the backing material;

    sewing the backing material to the outer material using a linear second longitudinally oriented sewing line so that the first wadding material is secured between the linear first and second sewing lines, the first and second linear longitudinally oriented sewing lines defining therebetween a central region;

    making a tiered sewing line confined to the central region between the linear first and second sewing lines, the tiered sewing line running between the top and bottom edges;

    disposing a second wadding material between the outer and backing materials and between the linear first sewing line and an edge of the seat cushion;

    disposing a third wadding material between the outer and backing materials and between the linear second sewing line and an opposite edge of the seat cushion;

    sewing along the side, top and bottom edges of the seat cushion to further secure the first and second wadding material;

    making a plurality of laterally oriented sewing lines between the side edges of the seat back cushion; and

    sewing the outer and backing materials together using additional sewing lines respectively disposed proximate the top and bottom edges of the seat cushion.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×