Seat cushion for vehicle and method of making the same

Details Seat cushion for vehicle and method of making the same Seat cushion for vehicle and method of making the same

1987-06-11

1990-09-25

Ramirez, Ramon O.

Beds

Bedclothing

And means to facilitate changing thereof

5481, A47C 2500

Patent

active

049583948

ABSTRACT:
A seat cushion for a vehicle is made by integrally molding a block of foamed polyurethane and coiled metal spring members. The spring members are disposed in a seat base portion or side portions of the seat cushion where a suitable hardness or repulsive elasticity is required to asist the restoring force of the layer of the foamed polyurethane lying on the spring members.

REFERENCES:
patent: Re24914 (1960-12-01), Koenigsberg
patent: 2685329 (1954-08-01), Stubnitz
patent: 2980167 (1961-04-01), Harris
patent: 2980168 (1961-04-01), Ross
patent: 3069701 (1962-12-01), McInerney
patent: 3130964 (1964-04-01), Johnson
patent: 3142515 (1964-07-01), Wall
patent: 3252735 (1966-05-01), Smith
patent: 3393012 (1966-07-01), Chancellor
patent: 3911511 (1975-10-01), Higgins
patent: 4101993 (1978-07-01), Yates

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