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US5231718A Expired / Lapsed US ⏱️ 0.0 years remaining

Combined cellular material and innerspring support system

Assignee: MUL Acquisition Corp II
•
Filing: 1991-06-18
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Granted: 1993-08-03
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Expires: 2011-06-18
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Abstract

Abstract The invention provides a support system having an envelope of flexible material within which a flexible cellular support cell is positioned upon an innerspring support cell. The flexible cellular support cell may comprise a damped gas displacement support cell or a damped fluid displacement support cell, which may be surrounded by a relatively thick resilient material. The innerspring support cell may comprise a gatched pediatric innerspring. Various system embodiments are described and illustrated.

Inventors

  • 👤 Joseph W. Blaha
  • 👤 Thomas S. Halliday

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 14:46
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/088; A47C27/085

Claims Analysis

Total Claims: 40
Claim 1
Independent Claim 111 words
A support system comprising: an innerspring support cell; a flexible cellular support cell positioned upon said innerspring support cell, said flexible cellular support cell comprising a first envelope of flexible material and a core of partially compressed, flexible cellular material occupying the space within said first envelope, wherein the interior of said first envelope is divided into multiple compartments by at least one divider wall, said compartments each being occupied by said partially compressed, flexible cellular material and said compartments communicating with each other through at least one opening in said at least one divider wall; and a second envelope of flexible material surrounding said innerspring and said flexible support cell.
Claim 2
Dependent Claim 111 words
A support system comprising: an innerspring support cell; a flexible cellular support cell positioned upon said innerspring support cell, said flexible cellular support cell comprising a first envelope of flexible material and a core of partially compressed, flexible cellular material occupying the space within said first envelope, wherein the interior of said first envelope is divided into multiple compartments by at least one divider wall, said compartments each being occupied by said partially compressed, flexible cellular material and said compartments communicating with each other through at least one opening in said at least one divider wall; and a second envelope of flexible material surrounding said innerspring and said flexible support cell.
Claim 3
Dependent Claim 19 words
The support system of claim 1 wherein said flexible cellular support cell comprises a damped gas displacement support cell.
Claim 4
Dependent Claim 48 words
The support system of claim 2 wherein said damped gas displacement support cell comprises: a second envelope of flexible material; a core of partially compressed, resilient gas-absorbent cellular material occupying the space within aid second envelope; and a gas constrained within and partially filling said gas-absorbent cellular material.
Claim 5
Dependent Claim 15 words
The support system of claim 3 wherein said gas-absorbent cellular material comprises open celled foam.
Claim 6
Dependent Claim 14 words
The support system of claim 3 wherein said gas-absorbent cellular material comprises cellular polyurethane.
Claim 7
Dependent Claim 11 words
The support system of claim 3 wherein said gas comprises air.
Claim 8
Dependent Claim 17 words
The support system of claim 3 wherein said second envelope of flexible material is manufactured of vinyl.
Claim 9
Dependent Claim 64 words
The support system of claim 3 wherein said second envelope comprises two substantially parallel panels of substantially the same size, each panel having a border surface, said border surfaces of said panels being sealed together in a gas impervious seam, one of said panels serving as a body supporting surface and said core being maintained partially compressed by the panels of said second envelope.
Claim 10
Dependent Claim 19 words
The support system of claim 3 further comprising a relatively thick casing of resilient material surrounding the second envelope.
Claim 11
Dependent Claim 19 words
The support system of claim 9 wherein the casing and the second envelope are adhesively attached to each other.
Claim 12
Dependent Claim 48 words
The support system of claim 1 wherein said flexible cellular support cell comprises multiple damped gas displacement support cells, the flexible cellular material of each of said damped gas displacement support cells comprising gas-absorbent cellular material having a gas constrained therein and partially filling said gas-absorbent cellular material.
Claim 13
Dependent Claim 18 words
The support system of claim 11 wherein said system includes three damped gas displacement support cells longitudinally spaced.
Claim 14
Dependent Claim 23 words
The support system of claim 11 wherein said multiple damped gas displacement support cells are surrounded by a third envelope of resilient material.
Claim 15
Dependent Claim 43 words
The support system of claim 11 wherein said damped fluid displacement support cell comprises: a second envelope of flexible material; a core of resilient fluid-absorbent material occupying substantially all of the space within the second envelope; and a fluid substantially saturating the core.
Claim 16
Dependent Claim 13 words
The support system of claim 14 wherein said fluid-absorbent material comprises cellular polyurethane.
Claim 17
Dependent Claim 26 words
The support system of claim 14 wherein said fluid is a fluid comprising by weight 20 percent propylene glycol, 4 percent alkali-soluble cellulose ether, and water.
Claim 18
Dependent Claim 17 words
The support system of claim 14 wherein said second envelope of flexible material is manufactured of vinyl.
Claim 19
Dependent Claim 50 words
The support system of claim 14 wherein said second envelope comprises two substantially parallel panels of substantially the same size, each panel having a border surface, said border surfaces of said panels being sealed together in a fluid impervious seam, one of said panels serving as a body supporting surface.
Claim 20
Dependent Claim 43 words
The support system of claim 18 wherein the interior of said second envelope is divided into multiple compartments by at least one divider wall, said compartments each being occupied by said core of resilient fluid-absorbent material and said fluid substantially saturating said core.
Claim 21
Dependent Claim 19 words
The support system of claim 14 further comprising a relatively thick casing of resilient material surrounding the second envelope.
Claim 22
Dependent Claim 19 words
The support system of claim 20 wherein the casing and the second envelope are adhesively attached to each other.
Claim 23
Dependent Claim 19 words
The support system of claim 1 wherein said flexible cellular support cell comprises a damped fluid displacement support cell.
Claim 24
Dependent Claim 41 words
The support system of claim 1 wherein said flexible cellular support cell comprises multiple damped fluid displacement support cells, the flexible cellular material of each of said damped fluid displacement support cells comprising fluid-absorbent cellular material substantially saturated with a fluid.
Claim 25
Dependent Claim 18 words
The support system of claim 23 wherein said system includes three damped fluid displacement support cells longitudinally spaced.
Claim 26
Dependent Claim 23 words
The support system of claim 23 wherein said multiple damped fluid displacement support cells are surrounded by a third envelope of resilient material.
Claim 27
Dependent Claim 19 words
The support system of claim 1 wherein said core of partially compressed, flexible cellular material comprises open celled foam.
Claim 28
Dependent Claim 17 words
The support system of claim 1 wherein said core of partially compressed, flexible cellular material comprises polyurethane.
Claim 29
Dependent Claim 18 words
The support system of claim 1 wherein said innerspring support cell comprises a gatched pediatric innerspring support cell.
Claim 30
Dependent Claim 17 words
The support system of claim 1 wherein said second envelope of flexible material is manufactured of vinyl.
Claim 31
Dependent Claim 13 words
The support system of claim 1 wherein said support system comprises a mattress.
Claim 32
Dependent Claim 13 words
The support system of claim 1 wherein said support system comprises a cushion.
Claim 33
Dependent Claim 21 words
The support system of claim 1 further comprising means for positioning said flexible cellular support cell upon said innerspring support cell.
Claim 34
Dependent Claim 33 words
The support system of claim 32 wherein said means for positioning comprises vinyl, said flexible support cell being adhesively attached to said vinyl and said vinyl being connected to said innerspring support cell.
Claim 35
Dependent Claim 25 words
The support system of claim 1 wherein said innerspring support cell is of substantially the same length and width as said flexible cellular support cell.
Claim 36
Dependent Claim 22 words
The support system of claim 34 wherein said innerspring support cell is about twice as thick as said flexible cellular support cell.
Claim 37
Dependent Claim 186 words
A support system comprising: an innerspring support cell; a damped gas displacement support cell positioned upon said innerspring support cell, said damped gas displacement support cell comprising a first envelope of flexible material and a core of partially compressed, resilient gas-absorbent cellular material occupying the space within said first envelope; and a second envelope of flexible material surrounding said innerspring and said damped gas displacement support cell; wherein when no force is applied to said support system, said innerspring support cell exerts substantially no pressure on said damped gas displacement support cell; wherein said second envelope comprises two substantially parallel panels of substantially the same size, each panel having a border surface, said border surfaces of said panels being sealed together in a gas impervious seam, one of said panels serving as a body supporting surface and said core being maintained partially compressed by the panels of said second envelope; and wherein the interior of said second envelope is divided into multiple compartments by at least one divider wall, said compartments each being occupied by said partially compressed, resilient cellular material and said gas constrained therein.
Claim 38
Dependent Claim 186 words
A support system comprising: an innerspring support cell; a damped gas displacement support cell positioned upon said innerspring support cell, said damped gas displacement support cell comprising a first envelope of flexible material and a core of partially compressed, resilient gas-absorbent cellular material occupying the space within said first envelope; and a second envelope of flexible material surrounding said innerspring and said damped gas displacement support cell; wherein when no force is applied to said support system, said innerspring support cell exerts substantially no pressure on said damped gas displacement support cell; wherein said second envelope comprises two substantially parallel panels of substantially the same size, each panel having a border surface, said border surfaces of said panels being sealed together in a gas impervious seam, one of said panels serving as a body supporting surface and said core being maintained partially compressed by the panels of said second envelope; and wherein the interior of said second envelope is divided into multiple compartments by at least one divider wall, said compartments each being occupied by said partially compressed, resilient cellular material and said gas constrained therein.
Claim 39
Dependent Claim 25 words
The support system of claim 36 wherein said compartments communicate with each other through at least one opening in said at least one divider wall.
Claim 40
Dependent Claim 40 words
The support system of claim 36 wherein at least one of said compartments is occupied with a compressed, resilient cellular material of different density than the density of the compressed, resilient cellular material in another one of said multiple compartments.

References Cited (Backward Citations)

US2425728A Cited
GB189485A Cited
GB215107A Cited
US2193410A Cited
US2446775A Cited
GB812786A Cited
BE555821A Cited
US3246443A Cited
US3564628A Cited
US3864766A Cited
US4928337A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-08-02 1997-02-01 1997-08-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-08-02 2001-02-01 2001-08-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-08-02 2005-02-01 2005-08-03 $7700.00 Window Closed / Lapsed

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