Gm Global Technolgoy Operations, Inc.

Vincent L Brooks

Gerald F Day

Giles T Gregory

Albert L Traywick

An upholstered three dimensional structure incorporating an internal core and a knitted fabric cover, in which there is provided in the cover a line along which the fabric is less extensible compared to the surrounding fabric, the line being positioned on the fabric such that the line curves over an edge of the core so that on stretching the fabric over the core the less extensible line is displaced from the general plane of the fabric towards the core.

Upholstery fabric

The present invention provides an apparatus and method of utilization thereof of a vehicle seat wherein the position of a lumbar support on the seat back is adjusted automatically in response to the deflection of the femur seating surface of the seat cushion. The present invention is advantageous in that the lumbar support is placed in a position generally constant with respect to the lower portion of the vehicle seat occupant's back, regardless of the weight of the vehicle seat occupant.

Growing community of inventors

Royal Oak, MI, United States of America

Vincent L Brooks