Seat cushion assembly

Claim 2

A seat back assembly for automobiles comprising: a pair of spaced vertically directed frame members, a resilient contoured cushion member having front, side and back surfaces, said cushions member being positioned in front of said frame members, a trim cover covering the front and sides of said cushion member and extending partly turned around said frame members, a back cover of substantially no stretchability secured to the edges of said trim cover providing a soft back covering to the seat back assembly, and a stretchable, tensioned support member located between said cushion member and said back cover, said support member and said back cover being associated to form a bag which is mounted onto said frame members under tension.

Claim 3

A seat back assembly as claimed in claim 1, wherein a stretchable support strip is partially arranged on said support member for partially reinforcing the tensile strength of said support member.

Claim 4

A seat back assembly as claimed in claim 1, wherein said stretchable support member has extension portions which partially extend around said frame members over the full length of the back surface of said seat back, said extension portions having strips extending therefrom to form loops in such support members that engage said frame means for partially increasing said support member's tensile strength.

Claim 5

A seat back assembly as claimed in claim 3, wherein the front side of said stretchable support member and the backing extension portions thereof are an integral member.

Claim 6

A seat back assembly as claimed in claim 1, wherein said support member has edge portions partly turned around said tubular frame members, said edge portions being secured to said back cover.

Claim 7

A cushion assembly as claimed in claim 1, wherein said stretchable support member (2) has extension portions for partially extending around said frame members (3B) over the full length of the back surface of a seat back and wherein the front side of said stretchable support member and the backing extension portions thereof are integral.

Claim 8

A cushion assembly for seat back assembly for automobiles having frame members (3B) and comprising a resilient contoured cushion member (1) having front, side and back surfaces, said cushion member being in front of said frame members, a trim cover (12) covering the front and sides of said cushion member and being partly turned around to lie over part of said back surfaces, a back cover (13) of substantially no stretchability, operatively secured to the edges of said trim cover providing a soft back covering for the cushion assembly, a stretchable support member (2) located between said cushion member and said back cover, said support member and said back cover forming a bag which is adapted to be mounted onto said frame members under tension.

Claim 9

A cushion assembly for seat back assembly for automobiles having frame members (3B) and comprising a resilient contoured cushion member (1) having front, side and back surfaces, said cushion member being in front of said frame members, a trim cover (12) covering the front and sides of said cushion member and being partly turned around to lie over part of said back surfaces, a back cover (13) of substantially no stretchability, operatively secured to the edges of said trim cover providing a soft back covering for the cushion assembly, a stretchable support member (2) located between said cushion member and said back cover, said support member and said back cover forming a bag which is adapted to be mounted onto said frame members under tension.

Claim 10

A cushion assembly as claimed in claim 7 wherein a stretchable support strip (2") is associated with and extends across a lower portion of said support member (2) for reinforcing the same.

Claim 11

A seat back assembly as claimed in claim 7, wherein said support member has edge portions for being partly turned around said frame member and operatively engaging said trim cover.