Firmness control device

Details Firmness control device Firmness control device

1985-11-19

1987-07-07

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5464, A47C 2304, A47C 2704

Patent

active

046777016

ABSTRACT:
A device for varying the firmness of a body supporting foundation, such as a box spring of a bed assembly or the like, including a vertically movable platform provided with a plurality of spaced resilient cushion members that may be selectively positioned at different distances from the upper support surface of the foundation for modifying the degree of deflection of the support surface without affecting the inherent resiliency of the individual springs.

REFERENCES:
patent: 1088305 (1914-02-01), Treiber
patent: 3252170 (1966-05-01), Frye
patent: 3551924 (1971-01-01), Frye, Sr.
patent: 3739409 (1973-06-01), Johnson
patent: 4222137 (1980-09-01), Usami

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