US3608106A - Mattress for clinical and other purposes - Google Patents

Mattress for clinical and other purposes Download PDF

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US3608106A
US3608106A US798604A US3608106DA US3608106A US 3608106 A US3608106 A US 3608106A US 798604 A US798604 A US 798604A US 3608106D A US3608106D A US 3608106DA US 3608106 A US3608106 A US 3608106A
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slab
mattress
clinical
upper side
lower slab
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US798604A
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Ramon Ordeix Parramon
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COLCHONES ANATOMICOS ESPANOLA
FABRICACION ESPANOLA DE COLCHONES ANATOMICOS
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COLCHONES ANATOMICOS ESPANOLA
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/15—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/144—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities inside the mattress or cushion
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/146—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities on the outside surface of the mattress or cushion
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/148—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays of different resilience
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/16—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays reinforced with sheet-like or rigid elements, e.g. profiled

Definitions

  • the present invention relates to improvements in a mattress for clinical and other purposes, intended to establish the appropriate conditions for satisfactory rest or support of a human body, such that the latter assumes a prescribed anatomical position due to the optimum location of the vertebral column.
  • This invention consists in a mattress for clinical and other purposes, in which the load applied thereon by the intrinsic weight of a stretched out human body causes interactions engendering forces and consequent complementary deformations of these slabs, such as to produce a surface pattern appropriate for the correct positioning of the said body in the anatomical sense.
  • the surface layout of the upper part of the mattress is determined by combining a set of blocks or slabs of soft or resilient material comprising a lower slab having a fiat base and an upper side having two surfaces sloping from the extremities towards the center, and an upper slab which is flat at the top and possessing two sloping surfaces on its underside, corresponding to the said upper side of the first slab, so that this latter is covered by the second slab except for its terminal areas, the arrangement being such that when a human body is lying on the :said set, the upper slab tends to warp convexly at the top and concavely along its two bottom planes, in its turn causing a wavy or analogous deformation of the sloping planes of the lower slab, causing the deformation of depressions in the terminal areas and prominences rising from the central part of the mattress.
  • the upper slab preferably has a transpiercing slot traversing it from end to end, intended to receive a rigid plate parallel to the upper side, to provide a definite degree of rigidity affecting the surface configuration of the pair of slabs under the action of the Weight of the stretched out human body.
  • the base of the lower slab may be supported by a rigid support panel, covering the greater proportion of its surface at least, with the exception of its terminal areas.
  • the upper side of the mattress preferably has three areas, each with different slope, forming a lower portion at the middle of the pair or set, in which the terminal areas form part of the lower slab and the central area forms part of the upper slab, so that the terminal area corresponding to the head end has a greater slope than the area corresponding to the foot end, the central area being substantially horizontal, the extremities of the lower slab differing in height, the head side extremity preferably being higher.
  • the lower slab may comprise two elements separated by the transverse line corresponding to the lowest level of the sloping planes.
  • the different components of the mattress may be joined to each other by such means as welding or bonding.
  • the upper side of the mattress may be shaped to particular anatomical contours intended for specific clinical requirements.
  • FIG. 1 is an illustration in perspective of an elementary embodiment of the said mattress.
  • FIG. 2 illustrates a lateral elevation of a mattress comprising three slabs.
  • FIG. 3 corresponds to a cross-section taken along the line III-III of the mattress of the preceding figure.
  • FIG. 4 corresponds to a longitudinal section taken along the line VIV of the mattress of the preceding figure.
  • FIG. 5 illustrates a lateral elevation of a mattress corresponding to FIG. 2, showing the configuration assumed by the same under the action of the weight of a human body.
  • a mattress according to the present invention comprises a lower slab 1 and an upper slab 2, both being made of spongy or similarly soft or resilient material.
  • the lower slab l which is rectangular in plan View, has a plane lower side 3, and its upper side is formed by two inclined planes sloping from the extremities towards the middle.
  • the upper slab 2 also rectangular in plan view, is triangular in cross-section and has a plane upper side 5 and its underside 6 has two inclined planes corresponding to those of the side 4 of the slab 1.
  • This second slab 2 is shorter than the lower slab 1 and does not cover the extreme areas of the latter.
  • the said arrangement of the slabs 1 and 2 forms a combination which is rectangular in plan view, possessing a fiat base and an upper side formed by three planes differing in slope and forming a lower portion at the middle.
  • the said three inclined planes may be symmetrically arranged, or the two planes of the upper side 4 of the slab 1 may have different slopes, so that the upper side 5 of the upper slab 2 also acquires an inclination.
  • the lower slab 1 is advantageous for the lower slab 1 to be made of two elements, one corresponding to the head side or headboard and the other to the foot side or footboard of the bedstead, separated by the central line at the lowest level of the inclined planes, consisting of two half-slabs 1A and 1B.
  • the upper slab 2 has a transverse slot 7 intended for insertion of a rigid plate 8 extending over the width of the mattress.
  • This plate may possess perforations 8a. Its use is optional, its purpose being to provide greater rigidity in the central area of the mattress.
  • a rigid plate or panel 9 which may or may not cover its entire longitudinal extension. This plate is intended to provide the aggregate with a higher degree of rigidity compared to a case in which the mattress is placed on a spring base.
  • FIG. 2 shows particular dimensional features of a mattress, the values specified hereinafter being applicable in a practical case.
  • the lower slab 1 has an overall length L which is the sum of the lengths L1 and L2 of the two component elements 1A and 1B.
  • the maximum height of the same slab 1 has the values H1 and H2 corresponding to the headboard and to the footboard, the latter being smaller.
  • the lower slab 1 has angles of 90 at its lower corners, whereas the values at its upper corners correspond to angles b of 72 and angles of 80.
  • the upper slab 2 has a length L3 which is smaller than the length L of the lower slab 1.
  • the length of the plate 8 is smaller than the said value L3 of the slab housing the same.
  • the two slabs 1 and 2 may be separated, or joined to each other by welding or bonding.
  • the two slabs 1 and 2 are made of a non-hygroscopic spongy or expanded material, such as latex or polyurethane.
  • a non-hygroscopic spongy or expanded material such as latex or polyurethane.
  • the use of synthetic fibres in agglomerated layers embedded in latex is preferable.
  • one' may have a weight of 25 kilogrammes per m. and the other a weight of 30 kilogrammes per m.
  • FIG. illustrates the configuration imparted to the upper side of the mattress in question under the action of the weight of a stretched out person.
  • This weight is mainly borne by the upper slab 2 whereof the deformation is opposed by the rigid plate 8, thus pressing on the lower slab 1 in such manner as to deform the upper side 4 of the same into a wavy outline which may correspond to the line 4E that is to say convexly towards the ends and concavely at the middle of the mattress.
  • this deformation causes that of the upper slab 2 so that its plane side 5 is curved convexly according to the line 5E.
  • FIG. 5 is an illustration, in exaggerated proportions, of the final contour assumed by the mattress when in use, this contour being that considered to be the most satisfactory for clinical as well as general purposes.
  • the mattresses in question may be employed for normal use, for purposes of relaxation, for children, and for clinical purposes. For these latter, it may be prescribed in cases of physical defects, whether of traumatic origin or of pathological type, providing correct positioning and comfortable adaptation to the human body in an such cases.
  • These mattresses may have their upper sides formed to reproduce particular anatomical contours, whether corresponding to a common type of aflliction or simply corresponding to special cases, and in the case of the former, previously prepared mattresses may be made available.
  • a mattress comprising in combination a lower slab and an upper slab, the lower slab having a flat base and an upper side with two inclined surfaces sloping from the extremities towards the center, the upper slab having a flat top and a lower side with two inclined surfaces sloping from the centre towards the extremities, said lower side of the upper slab corresponding to the central portion of said upper side of the lower slab, said lower slab being covered by said upper slab except over the extreme portions thereof, the pressure of a human body acting on said slabs so that the upper slab tends to warp convexly at the top and concavely along its two bottom planes and the lower slab undergoes a substantially wavy deformation in its sloping planes, thus forming depressions in the extreme areas and prominences about the central part of the mattress.

Abstract

A MATTRESS COMPRISING A LOWER SLAB WITH A FLAT BASE AND TWO UPPER INCLINED SURFACES SLOPING FROM THE EXTREMITIES TOWARDS THE CENTER AND AN UPPER SLAB WITH A FLAT TOP AND TWO LOWER INCLINED SURFACES SLOPING FROM THE CENTER TOWARDS THE EXTREMITIES, THE UPPER SLAB BEING SHORTER THAN THE LOWER SLAB AND THE INCLINED SURFACES OF THE UPPER SLAB CORRESPONDING TO THOSE OF THE LOWER SLAB.

Description

"'Spt. 28,-1971 R. o. PARRAMON 3,603,105
MATTRESS FOR CLINICAL AND OTHER PURPOSES Filed Feb. 12, 1968 INVENTOR. R0m6n O. Pdrromn BY WWAM,
ATTORNEYS.
United States Patent Int. Cl. A47c 25/00,- A61g 7/04 U.S. Cl. -345 8 Claims ABSTRACT OF THE DISCLOSURE A mattress comprising a lower slab with a flat base and two upper inclined surfaces sloping from the extremities towards the center and an upper slab with a flat top and two lower inclined surfaces sloping from the center towards the extremities, the upper slab being shorter than the lower slab and the inclined surfaces of the upper slab corresponding to those of the lower slab.
The present invention relates to improvements in a mattress for clinical and other purposes, intended to establish the appropriate conditions for satisfactory rest or support of a human body, such that the latter assumes a prescribed anatomical position due to the optimum location of the vertebral column.
This invention consists in a mattress for clinical and other purposes, in which the load applied thereon by the intrinsic weight of a stretched out human body causes interactions engendering forces and consequent complementary deformations of these slabs, such as to produce a surface pattern appropriate for the correct positioning of the said body in the anatomical sense.
In the mattress according to the invention, the surface layout of the upper part of the mattress is determined by combining a set of blocks or slabs of soft or resilient material comprising a lower slab having a fiat base and an upper side having two surfaces sloping from the extremities towards the center, and an upper slab which is flat at the top and possessing two sloping surfaces on its underside, corresponding to the said upper side of the first slab, so that this latter is covered by the second slab except for its terminal areas, the arrangement being such that when a human body is lying on the :said set, the upper slab tends to warp convexly at the top and concavely along its two bottom planes, in its turn causing a wavy or analogous deformation of the sloping planes of the lower slab, causing the deformation of depressions in the terminal areas and prominences rising from the central part of the mattress.
The upper slab preferably has a transpiercing slot traversing it from end to end, intended to receive a rigid plate parallel to the upper side, to provide a definite degree of rigidity affecting the surface configuration of the pair of slabs under the action of the Weight of the stretched out human body.
The base of the lower slab may be supported by a rigid support panel, covering the greater proportion of its surface at least, with the exception of its terminal areas.
The upper side of the mattress preferably has three areas, each with different slope, forming a lower portion at the middle of the pair or set, in which the terminal areas form part of the lower slab and the central area forms part of the upper slab, so that the terminal area corresponding to the head end has a greater slope than the area corresponding to the foot end, the central area being substantially horizontal, the extremities of the lower slab differing in height, the head side extremity preferably being higher.
According to a feature of the invention, the lower slab may comprise two elements separated by the transverse line corresponding to the lowest level of the sloping planes.
The different components of the mattress may be joined to each other by such means as welding or bonding.
The upper side of the mattress may be shaped to particular anatomical contours intended for specific clinical requirements.
The invention will now be described in detail with reference to the accompanying drawings, which illustrate one embodiment of the invention, but in no restrictive sense.
FIG. 1 is an illustration in perspective of an elementary embodiment of the said mattress.
FIG. 2 illustrates a lateral elevation of a mattress comprising three slabs.
FIG. 3 corresponds to a cross-section taken along the line III-III of the mattress of the preceding figure.
'FIG. 4 corresponds to a longitudinal section taken along the line VIV of the mattress of the preceding figure.
FIG. 5 illustrates a lateral elevation of a mattress corresponding to FIG. 2, showing the configuration assumed by the same under the action of the weight of a human body.
A mattress according to the present invention comprises a lower slab 1 and an upper slab 2, both being made of spongy or similarly soft or resilient material.
The lower slab l, which is rectangular in plan View, has a plane lower side 3, and its upper side is formed by two inclined planes sloping from the extremities towards the middle.
The upper slab 2, also rectangular in plan view, is triangular in cross-section and has a plane upper side 5 and its underside 6 has two inclined planes corresponding to those of the side 4 of the slab 1. This second slab 2 is shorter than the lower slab 1 and does not cover the extreme areas of the latter.
The said arrangement of the slabs 1 and 2 forms a combination which is rectangular in plan view, possessing a fiat base and an upper side formed by three planes differing in slope and forming a lower portion at the middle. The said three inclined planes may be symmetrically arranged, or the two planes of the upper side 4 of the slab 1 may have different slopes, so that the upper side 5 of the upper slab 2 also acquires an inclination.
In practice, it is advantageous for the lower slab 1 to be made of two elements, one corresponding to the head side or headboard and the other to the foot side or footboard of the bedstead, separated by the central line at the lowest level of the inclined planes, consisting of two half- slabs 1A and 1B.
The upper slab 2 has a transverse slot 7 intended for insertion of a rigid plate 8 extending over the width of the mattress. This plate may possess perforations 8a. Its use is optional, its purpose being to provide greater rigidity in the central area of the mattress.
At the base of the mattress is situated a rigid plate or panel 9 which may or may not cover its entire longitudinal extension. This plate is intended to provide the aggregate with a higher degree of rigidity compared to a case in which the mattress is placed on a spring base.
FIG. 2 shows particular dimensional features of a mattress, the values specified hereinafter being applicable in a practical case.
The lower slab 1 has an overall length L which is the sum of the lengths L1 and L2 of the two component elements 1A and 1B. The maximum height of the same slab 1 has the values H1 and H2 corresponding to the headboard and to the footboard, the latter being smaller.
In accordance with the preceding, the lower slab 1 has angles of 90 at its lower corners, whereas the values at its upper corners correspond to angles b of 72 and angles of 80.
The upper slab 2 has a length L3 which is smaller than the length L of the lower slab 1. In its turn, the length of the plate 8 is smaller than the said value L3 of the slab housing the same.
The two slabs 1 and 2 may be separated, or joined to each other by welding or bonding.
The two slabs 1 and 2 are made of a non-hygroscopic spongy or expanded material, such as latex or polyurethane. The use of synthetic fibres in agglomerated layers embedded in latex is preferable.
In some cases, it is preferable to have a difference in density between the materials used for the upper slab 2 and the lower slab 1, for example one'may have a weight of 25 kilogrammes per m. and the other a weight of 30 kilogrammes per m.
FIG. illustrates the configuration imparted to the upper side of the mattress in question under the action of the weight of a stretched out person. This weight is mainly borne by the upper slab 2 whereof the deformation is opposed by the rigid plate 8, thus pressing on the lower slab 1 in such manner as to deform the upper side 4 of the same into a wavy outline which may correspond to the line 4E that is to say convexly towards the ends and concavely at the middle of the mattress. In its turn, this deformation causes that of the upper slab 2 so that its plane side 5 is curved convexly according to the line 5E.
To clarify matters, FIG. 5 is an illustration, in exaggerated proportions, of the final contour assumed by the mattress when in use, this contour being that considered to be the most satisfactory for clinical as well as general purposes.
The mattresses in question may be employed for normal use, for purposes of relaxation, for children, and for clinical purposes. For these latter, it may be prescribed in cases of physical defects, whether of traumatic origin or of pathological type, providing correct positioning and comfortable adaptation to the human body in an such cases.
These mattresses may have their upper sides formed to reproduce particular anatomical contours, whether corresponding to a common type of aflliction or simply corresponding to special cases, and in the case of the former, previously prepared mattresses may be made available.
What I claim is:
1. A mattress, comprising in combination a lower slab and an upper slab, the lower slab having a flat base and an upper side with two inclined surfaces sloping from the extremities towards the center, the upper slab having a flat top and a lower side with two inclined surfaces sloping from the centre towards the extremities, said lower side of the upper slab corresponding to the central portion of said upper side of the lower slab, said lower slab being covered by said upper slab except over the extreme portions thereof, the pressure of a human body acting on said slabs so that the upper slab tends to warp convexly at the top and concavely along its two bottom planes and the lower slab undergoes a substantially wavy deformation in its sloping planes, thus forming depressions in the extreme areas and prominences about the central part of the mattress.
2. A mattress as claimed in claim 1, in which the upper slab has a transpiercing transverse slot intended to receive a rigid plate parallel to its upper side to provide a definite degree of rigidity affecting the surface configuration of the said set of slabs under the action of the weight of a stretched out human body.
3. A mattress for clinical and other purposes as claimed in claim 1, in which the base of the lower slab is supported by a rigid plate or panel covering the greater proportion of its surface at least, with the exception of its terminal areas.
4. A mattress as claimed in claim 1, in which the upper side of the mattress has three areas, each with a different slope, forming a lower portion at the middle of the mattress, in which the terminal areas form part of the lower slab and the central area forms part of the upper slab, so that the terminal area corresponding to the head side has a greater slope than the terminal area corresponding to the foot side, the central area being substantially horizontal, the extremities of the lower slab ditfering in height, the head side extremity being higher.
5. A mattress as claimed in claim 1, in which the lower slab comprises two elements separated by the transverse line corresponding to the lowest level of the sloping planes.
6. A mattress as claimed in claim 1, in which the different components of the mattress are jointed to each other by joining means.
7. A mattress as claimed in claim 1, in which the upper side of the mattress is shaped to particular anatomical contours intended for specific clinical requirements.
8. A mattres as claimed in claim 1, in which the com ponent soft or resilient slabs are made of materials of different densities according to the configuration of the upper side required whilst the mattress is in use.
References Cited UNITED STATES PATENTS 3,289,224 12/1966 Witchel 5352X 3,243,828 4/1966 McCarty 5338 3,110,042 11/ 1963 Slemmons 5345 BOBBY R. GAY, Primary Examiner A. M. CALVERT, Assistant Examiner US. Cl. X.R. 59l
US798604A 1968-02-21 1969-02-12 Mattress for clinical and other purposes Expired - Lifetime US3608106A (en)

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DE (1) DE1904213C3 (en)
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3885258A (en) * 1973-03-26 1975-05-27 John J Regan Multi-layered contoured mattress
US4471993A (en) * 1981-11-13 1984-09-18 Watson Steven R Personalized low back support device
US5205665A (en) * 1991-02-05 1993-04-27 Grumman Aerospace Corporation Fitting release utilizing bolt action
US5433505A (en) * 1992-04-19 1995-07-18 Master Manufacturing Co. Adjustable seat and back cushion
US6085373A (en) * 1998-06-05 2000-07-11 Montana; Vittorio Modular mattress with gradually varying heights toward the center, having different rigidities and elastic responses
US6295674B1 (en) 2000-01-21 2001-10-02 Sleeper Solutions Foldable sleeper sofa mattress and method of manufacturing
US20060070185A1 (en) * 2004-10-05 2006-04-06 Rubio Horacio C Inclined bed
US20080256706A1 (en) * 2007-04-19 2008-10-23 Larsen Erik N Bolstered mattress
US7469437B2 (en) 2005-06-24 2008-12-30 Tempur-Pedic Management, Inc. Reticulated material body support and method
US7507468B2 (en) 1994-06-03 2009-03-24 Tempur-Pedic Management, Inc. Laminated visco-elastic support
US20090172887A1 (en) * 1994-06-03 2009-07-09 Dag Landvik Laminated visco-elastic support
US7707670B2 (en) 2003-10-14 2010-05-04 Tempur-Pedic Management, Inc. Pillow top for a cushion
CN102245057A (en) * 2008-12-15 2011-11-16 La-Z-博伊有限公司 Cushion with plural zones of foam
US20170156508A1 (en) * 2015-12-03 2017-06-08 Polar Generation Llc Simulated zero "g" mattress and cover
US9980578B2 (en) 2012-07-27 2018-05-29 Tempur-Pedic Management, Llc Body support cushion having multiple layers of phase change material
USD824712S1 (en) * 2016-01-22 2018-08-07 Ascion, Llc Adjustable bed foundation
CN113081586A (en) * 2021-04-07 2021-07-09 许昌学院 All-dimensional transferring device and method for disabled elderly nursing
WO2023014309A1 (en) * 2021-07-31 2023-02-09 Leobed Yatak Anonim Sirketi Bed structure with different levels of hardness

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Publication number Priority date Publication date Assignee Title
US3995337A (en) * 1975-06-11 1976-12-07 Ther-A-Pedic Associates, Inc. Mattress construction
FR2446092A1 (en) * 1979-01-10 1980-08-08 Boussaroque Bertrand Mattress with variable position stiffeners - has pockets along its length receiving boards to adjust its hardness
NL9302043A (en) * 1993-11-25 1995-06-16 Recticel Nederland Bv Two-piece core mattress with taper towards the center.
IT239030Y1 (en) * 1995-12-06 2001-02-19 Synergic Italiana S R L MATTRESS WITH LAYERS OVERLAPPED BY EXPANDABLE AND FLEXIBLE PLASTIC MATERIAL
SE531479C2 (en) * 2006-05-08 2009-04-21 Magnus Hoegberg Foam mattress with seating function

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3885258A (en) * 1973-03-26 1975-05-27 John J Regan Multi-layered contoured mattress
US4471993A (en) * 1981-11-13 1984-09-18 Watson Steven R Personalized low back support device
US5205665A (en) * 1991-02-05 1993-04-27 Grumman Aerospace Corporation Fitting release utilizing bolt action
US5433505A (en) * 1992-04-19 1995-07-18 Master Manufacturing Co. Adjustable seat and back cushion
US20090172887A1 (en) * 1994-06-03 2009-07-09 Dag Landvik Laminated visco-elastic support
US8034445B2 (en) 1994-06-03 2011-10-11 Tempur-Pedic Management, Inc. Laminated visco-elastic support
US8025964B2 (en) 1994-06-03 2011-09-27 Tempur World, Llc Laminated visco-elastic support
US7507468B2 (en) 1994-06-03 2009-03-24 Tempur-Pedic Management, Inc. Laminated visco-elastic support
US20090293199A1 (en) * 1994-06-03 2009-12-03 Dag Landvik Laminated visco-elastic support
US6085373A (en) * 1998-06-05 2000-07-11 Montana; Vittorio Modular mattress with gradually varying heights toward the center, having different rigidities and elastic responses
US6295674B1 (en) 2000-01-21 2001-10-02 Sleeper Solutions Foldable sleeper sofa mattress and method of manufacturing
US7707670B2 (en) 2003-10-14 2010-05-04 Tempur-Pedic Management, Inc. Pillow top for a cushion
US20060070185A1 (en) * 2004-10-05 2006-04-06 Rubio Horacio C Inclined bed
US7415743B2 (en) 2004-10-05 2008-08-26 Rubio Horacio C Inclined bed
US8418297B2 (en) 2005-06-24 2013-04-16 Tempur-Pedic Management, Llc Reticulated material body support and method
US7469437B2 (en) 2005-06-24 2008-12-30 Tempur-Pedic Management, Inc. Reticulated material body support and method
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Also Published As

Publication number Publication date
AT285809B (en) 1970-11-10
IE32722L (en) 1969-08-21
DE1904213B2 (en) 1978-04-06
ES350735A1 (en) 1969-05-01
FI49108B (en) 1974-12-31
SE363973B (en) 1974-02-11
GB1210784A (en) 1970-10-28
IE32722B1 (en) 1973-11-14
BE727947A (en) 1969-07-16
FI49108C (en) 1975-04-10
DK122571B (en) 1972-03-20
BR6906313D0 (en) 1973-02-01
DE1904213A1 (en) 1969-09-25
DE1904213C3 (en) 1978-11-23
FR2002306A1 (en) 1969-10-17
NO128591B (en) 1973-12-17
OA02995A (en) 1970-12-15
CH503484A (en) 1971-02-28
NL6902743A (en) 1969-08-25
LU57936A1 (en) 1969-05-22

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