US 12,433,417 B2
Adjustable mattress frame and a method for adjusting the frame
Yitzhak Liechtenstein, Zichron Ya'acov (IL); and Nir Hertzman, Zichron Ya'acov (IL)
Assigned to POLYRON ZIKIM ACH LTD, Kibbutz Zikim (IL)
Appl. No. 17/927,537
Filed by POLYRON ZIKIM ACH LTD, Kibbutz Zikim (IL)
PCT Filed Jun. 3, 2020, PCT No. PCT/IL2020/050616
§ 371(c)(1), (2) Date Nov. 23, 2022,
PCT Pub. No. WO2021/245641, PCT Pub. Date Dec. 9, 2021.
Prior Publication US 2023/0346130 A1, Nov. 2, 2023
Int. Cl. A47C 20/04 (2006.01); A47C 20/08 (2006.01)
CPC A47C 20/04 (2013.01) [A47C 20/08 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An adjustable mattress frame configured to support a human user lying on the adjustable mattress frame, the adjustable mattress frame comprising:
a lower back area configured to support a lower back of the user, and be in contact with a surface on which the adjustable mattress frame is placed; and either
an upper area configured to support an upper part of a body of the user, pivotally connected to the lower back area; or
a legs area configured to support legs of the user-pivotally, pivotally connected to the lower back area; or
both the upper area and the legs area,
wherein the upper area comprises: a head area configured to support a head of the user, pivotally connected to a back area configured to support a back of the user, pivotally connected to the lower back area,
and wherein the legs area comprises: a thighs area configured to support thighs of the user, pivotally connected to the lower back area, and a shins area configured to support shins of the user, pivotally connect to the thighs area, wherein a pivot area between the thighs area and the shins area is a knees area configured to support knees of the user,
and wherein the adjustable mattress frame further comprises at least one angle changer movably attached to the areas of the adjustable mattress frame, and configured to change its length, thereby configured to change an angle between two adjacent areas,
wherein the adjustable mattress frame further comprising multiple elongated pivotally connected links, wherein the links are head links, back links, thighs links and shin links, wherein
the head area comprises the head links, wherein a length of the head link determines a width of the head area;
the back area comprises the back links, wherein a length of the back link determines a width of the back area;
the thighs area comprises the thighs links, wherein a length of the thighs links determines a width of the thighs area;
the shins area comprises the shins links, wherein a length of the shins link determines a width of the shins area;
wherein the at least one angle changer is movably attached to the links, and configured to change its length, thereby configured to change an angle between two adjacent links,
and wherein the adjustable mattress frame further comprising at least one spacer configured to be attached between two adjacent links and determine a minimal angle that can be adjusted between two adjacent links during adjustment of the adjustable mattress frame.