Pocketed molded vehicle backrest
AssigneeLear Corporation
InventorStefan Brunner
Life of this patent
Estimating the term…
Abstract
A framework and method of forming a framework is provided for a backrest of a vehicle seat. The framework includes a support member having a first wall portion and a second wall portion. The second wall section is spaced from the first wall portion at a plurality of locations to form a plurality of hollow pocketed sections. An expandable plastic material is disposed in and substantially fills the plurality of pocketed sections. The support member in cooperation with the expandable plastic material provides rigidity to the support member.
Claims20
A framework for a backrest of a vehicle seat, said framework comprising:
- a support member having a first wall portion and a second wall portion spaced from the first wall portion at a plurality of locations to form a plurality of hollow pocketed sections;
- and
- an expandable plastic material disposed in and substantially filling said plurality of pocketed sections;
- wherein said support member in cooperation with said expandable plastic material provide rigidity to said support member.
A method of forming a framework for a backrest of a vehicle seat, said method comprising the steps of:
- molding a support member having a first wall portion and a second wall portion, said first wall portion spaced from said second wall portion at a plurality of locations to form a plurality of hollow pocketed sections;
- and
- injecting an expandable plastic material in said plurality of pockets that substantially fills said pocketed sections for providing added rigidity to said support member.
Dependencies are inferred from the claim text.