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US 9,877,591 B2Granted
Medical mattress with firmness adjustment
AssigneeDirect Supply, Inc.
InventorsJustin Taylor Morgan, Anthony J. Patrick, Joshua James Jakubowski
Life of this patent
Estimating the term…
Abstract
A mattress for institutional use provides upper and lower surfaces offering different levels of firmness through the use of gradiated firmness in multiple polymer foam layers.
Claims17
A mattress comprising:
- a mattress body having opposed first and second supporting surfaces each sized and adapted to receive and support a supine individual extending along a mattress length when either of the first and second supporting surfaces is upwardly facing and horizontal, the mattress body including at least three polymer foam layers each having a different firmness and extending along substantial portions of the mattress length, a firmness of the polymer foam layers selected to present a lesser firmness to a supported individual lying on the first supporting surface than to the supported individual lying on the second supporting surface;
- and
- a cover fitting around the mattress body to retain the mattress body therein;
- wherein a first polymer foam layer adjacent to the first supporting surface has a lesser indentation force deflection (IFD) than the polymer foam layer adjacent to the second supporting surface and a third polymer foam layer positioned between the first and second polymer foam layers and having an IFD greater than the IFD of the first polymer foam layer and the second polymer foam layer.
1 more element
A mattress comprising:
- a mattress body having opposed first and second supporting surfaces each sized and adapted to receive and support a supine individual extending along a mattress length when either of the first and second supporting surfaces is upwardly facing and horizontal, the mattress body including at least three polymer foam layers each having a different firmness and extending along substantial portions of the mattress length, a firmness of the polymer foam layers selected to present a lesser firmness to a supported individual lying on the first supporting surface than to the supported individual lying on the second supporting surface;
- and
- a cover fitting around the mattress body to retain the mattress body therein;
- the mattress further including a bottom cover adjustable to be positioned over at least a portion of the bottom of the mattress when the mattress is in either of two orientations with the opposed first or second supporting surface uppermost, the bottom cover including outwardly exposed anti-slip material.
1 more element
A mattress comprising:
- a mattress body having opposed first and second supporting surfaces each sized and adapted to receive and support a supine individual extending along a mattress length when either of the first and second supporting surfaces is upwardly facing and horizontal, the mattress body including at least three polymer foam layers each having a different firmness and extending along substantial portions of the mattress length, a firmness of the polymer foam layers selected to present a lesser firmness to a supported individual lying on the first supporting surface than to the supported individual lying on the second supporting surface;
- and
- a cover fitting around the mattress body to retain the mattress body therein;
- the mattress further including a top cover adjustable to be positioned over at least a portion of the top of the mattress body when the mattress body is in either of two orientations with the opposed first or second supporting surface uppermost, the top cover providing upwardly extending bolsters positionable at opposed left and right edges of the mattress body.
1 more element
A mattress comprising:
- a mattress body having at least three layers of polymer foam material of different IFD values, the layers of polymer foam material extending generally parallel to opposed first and second support surfaces of the mattress, the volume weighted IFD values in a half of the mattress closest to the first support surface being lower than volume weighted IFD values in a half of the mattress closest to the second support surface;
- and
- a fabric cover surrounding the mattress body.
A mattress comprising:
- a mattress body having opposed first and second supporting surfaces each sized and adapted to receive and support a supine individual when the surface is upwardly facing and horizontal, an firmness of the first and second supporting surfaces selected to present a greater firmness to a supported individual lying on the first supporting surface than to the supported individual lying on the second supporting surface;
- an inner cover fitting around the mattress body to retain the mattress body therein;
- and
- an outer cover removably positionable over the inner cover to present a slip resistant surface at a bottom of the mattress body and not at a top of the mattress body;
- and
- wherein the inner cover and outer cover the substantial entirety of the polymer foam layers.
3 more elements
Dependencies are inferred from the claim text.