Multi-layer high impact seating

Details Multi-layer high impact seating Multi-layer high impact seating

1992-11-30

1993-12-14

Dorner, Kenneth J.

Chairs and seats

Bottom or back

Cushioned

297DIG1, 2972161, A47C 720

Patent

active

052695905

ABSTRACT:
A seat cushion system that reduces the vertical impact to the seat occupant within the space and cost constraints of existing seat support structures. In one embodiment, the seat cushion employs a series of layers of varying density and lateral displacement foams with a rigid or semi-rigid material within the cushion. Each layer of foam can change in both density and lateral displacement depending on the volumetric space available. Another embodiment demonstrates how only two layers of differing densities and lateral displacement can greatly reduce the impact force from vertical thrust.

REFERENCES:
patent: Re32734 (1988-08-01), McLeod
patent: 2543218 (1951-02-01), Young et al.
patent: 3248738 (1966-05-01), Morgan
patent: 3534417 (1970-10-01), Boyles
patent: 3833259 (1974-09-01), Pershing

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