Back rest support structure for a vehicle seat
First Claim
1. A back rest support for a vehicle seat comprising a back shell and a frame surrounding said shell, said frame consisting ofa) two U-shaped side members, each of said side members comprising 1) a U-shaped cross section, said cross section being formed by a back flank, a front flank, and a central part which connects said shell to the central part of the other member, said U-shaped cross section opening in a direction away from said shell, and 2) an upper end and a lower end, andb) a cross member which connects the upper ends of said side members, said cross member comprising a U-shaped cross section, said cross section being formed by an upper flank, a lower flank which connects the upper ends of said side members and which is connected to said shell, and a central part which connects said upper and lower flankssaid shell and said frame having been formed of a single injection molded part.
1 Assignment
0 Petitions
Accused Products
Abstract
In order to be able to rationalize the mass production of back rest support structures from plastic for vehicle seats by injection molding, an injection molded part is provided which comprise a back shell and a frame which surrounds it like a cassette, the frame consisting of U-section side members which are open at the side and a U-section cross member which is open on one side.
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Citations
11 Claims
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1. A back rest support for a vehicle seat comprising a back shell and a frame surrounding said shell, said frame consisting of
a) two U-shaped side members, each of said side members comprising 1) a U-shaped cross section, said cross section being formed by a back flank, a front flank, and a central part which connects said shell to the central part of the other member, said U-shaped cross section opening in a direction away from said shell, and 2) an upper end and a lower end, and b) a cross member which connects the upper ends of said side members, said cross member comprising a U-shaped cross section, said cross section being formed by an upper flank, a lower flank which connects the upper ends of said side members and which is connected to said shell, and a central part which connects said upper and lower flanks said shell and said frame having been formed of a single injection molded part.
Specification