Spring devices – Seat support – Flexural
Patent
1987-11-13
1989-06-27
Kashnikow, Andres
Spring devices
Seat support
Flexural
2671405, 267141, 267142, 297452, 2641761, A47C 714, F16F 136, B28B 320
Patent
active
048422576
ABSTRACT:
A vehicle seat suspension has a thin high strength elastomeric membrane. The membrane is formed from block copolymer material by a process in which a sheet is extruded and tensioned to orient molecules in a select direction with respect to the membrane; the oriented membrane is annealed to retain the orientation during cyclical deformation of the membrane. The sheet form membrane is adapted to be connected with respect to a vehicle seat assembly frame and to serve as a backing for foam seating material and wherein the oriented structure of the membrane provides a two stage modulus in the direction of the orientation for providing static and dynamic load support characteristics which impart passenger comfort without increasing the weight of a seat assembly.
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Abu-Isa Ismat A.
Eusebi Elio
Jaynes Craig B.
Moran Susan C.
Roy Michael A.
General Motors Corporation
Kashnikow Andres
Potosnak Richard
Tung R. W.
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