Patent ID: 9022481
Filing Date: 2015-05-05
Classification: A47C,B60N

Abstract:
1. A cushion member comprising: a multilayer structure including at least one intermediate layer and an upper layer and a lower layer stacked above and below the intermediate layer, wherein the intermediate layer includes a resin foam with a predetermined thickness; the upper layer and the lower layer are fixed to a front surface side and a back surface side of the resin foam included in the intermediate layer, respectively; the cushion member is provided as a tensile structure by being stretched between frames disposed apart from each other by a predetermined distance so that the upper layer on a front side has higher tension than the lower layer in a plane direction; at least one of the upper layer or the lower layer comprises a three-dimensional cloth; the three-dimensional cloth includes a pair of ground knits disposed apart from each other and a number of connecting strands for connecting the pair of ground knits by going back and forth between the pair of ground knits; and a part of the resin foam included in the intermediate layer in the thickness direction intrudes into a gap at least between ground strands forming one ground knit from one ground knit side of the three-dimensional cloth adjacent to the intermediate layer, and an amount of intrusion is in a range of not having contact with at least a part of the other ground knit of the three-dimensional cloth.