Apparatus for selecting mattress

Details Apparatus for selecting mattress Apparatus for selecting mattress

1991-05-29

1992-09-22

Yasich, Daniel M.

Measuring and testing

Orthopedic pressure distribution

738653, 128774, A61B 511

Patent

active

051487063

ABSTRACT:
Disclosed is an apparatus for selecting a mattress. The amounts of elastic deformation in a plurality of points of a measuring mattress having a predetermined hardness are electrically detected by pressure sensors. Based on the electric signals generated from the pressure sensors, a first average value in the amounts of deformation in the head portion and the leg portion of the user and a second average value in the amounts of deformation in the other portions of the user are calculated in a control device. First and second straight lines denoting these first and second average values, respectively, are displayed on a display device together with a mark designating the hardness of a mattress adapted to the user. The optimum hardness of the mattress is determined on the basis of the difference in the amount of deformation between the first and second straight lines, so as to enable the user to select a mattress of a hardness adapted to the user.

REFERENCES:
patent: 4669302 (1987-06-01), Wagner et al.
patent: 4827763 (1989-05-01), Bourland et al.
patent: 5033291 (1991-07-01), Podoloff et al.

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