Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUS3209380 A
Publication typeGrant
Publication dateOct 5, 1965
Filing dateDec 31, 1964
Priority dateDec 31, 1964
Publication numberUS 3209380 A, US 3209380A, US-A-3209380, US3209380 A, US3209380A
InventorsWatsky Benjamin
Original AssigneeWatsky Benjamin
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Rigid mattress structure
US 3209380 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

Oct. 5, 1965 B. wA'rsKY RIGID MATTRESS STRUCTURE oaooao OOOOOO Filed Deo. 3l, 1964 Benjamin Watsky QZ/ 2mm ATTORNEY United States Patent O 3,209,380 RIGID MATTRESS STRUCTURE Benjamin Watsky, 1108 Rutland Road, Brooklyn, N.Y. Filed Dec. 31, 1964, Ser. No. 422,807 1 Claim. (Cl. 5-347) This invention relates to mattress constructions and more specifically to a rigid mattress structure capable of supporting a person in a reclining position and unyielding under the weight of the person.

Whereas boards of plywood, iberboard and the like have been used heretofore to rigidify -or otherwise r'educe the yieldability or compressibility of the mattress under the weight of the user and thus achieve rigidity, such boards and similar temporary mattress modifications only partially eliminated the resiliency and give of the mattress. That is, the mere placement of a board beneath the lower surface of the mattress failed to sufficiently preclude the sinking of the person into the mattress and the bone movement resulting therefrom, such bone movement being painful and otherwise undesirable. Also, the placement of a board upon the upper surface of the mattress results in extreme discomfort .to the user by reason of the hardness thereof, rigidiiication by such means being often injurious to the spinal structure of the patient. Additionally, the board arrangement interferes with the normal ventilation requirements of the mattress. That is, the presence of the board, either above or beneath the mattress will block circulation of air to thereby augment the discomfort of the user.

The primary object of the instant invention resides in the provision of a novel mattress structure which obviates the foregoing disadvantages while serving the requirements of a patient suffering with a bone or other bodily disorder which requires firmness when in the position of repose.

Another object lof the present invention is to provide a rigid mattress structure which, although soft to the touch, will not yield substantially under the weight of a person reclining thereupon.

A further object `of this invention resides in the provision of a mattress structure which will permit excellent air circulation and consequent comfort to the user.

Another objcet of the present invention is to provide a mattress which is extremely light in weight.

Another general object of the present invention is to provide a device of the described character which will be simple in structure, easily and economically fabricated, and highly effective in use.

Other objects and advantages of the instant rigid mattress structure will be set forth in part hereinafter and in part will be obvious herefrom, or may be learned by practice of the invention, the same being realized and attained by means of the structure defined and pointed out in the appended claim.

The accompanying drawings referred to herein and constituting a part hereof, illustrate one embodiment of the invention, and together with the descripti-on, serve to explain the principles of the invention.

FIGURE 1 is a perspective of the present mattress structure, the two sections thereof being shown apart and prior to being united;

FIGURE 2 is a fragmentary perspective view of the mattress structure, the two sections thereof being united;

FIGURE 3 is a plan view of one section of the mattr'ess structure, a portion of said section being cut-away to expose the transverse and longitudinal internal air passages thereof;

FIGURE 4 is a cross-sectional view taken along line 4 4 of FIGURE 2; and

FIGURE 5 is an end elevational view of the rigid mat- 3,209,380 Patented Oct. 5, 1965 rice tress structure shown upon a bed boa-rd, box springs being interposed therebetween.

Referring now in detail to the present preferred embodiment of the invention illustrated in the accompanying drawings, FIGURE 1 shows the mattress structure designated generally by numeral 1, which is comprised of two sections 2 and 4, the latter being shown disassembled or prior to being united to form the monolithic structure illustrated in FIGURES 2, 4 and 5 of the drawings. The said sections are preferably identical and are further preferably molded of expanded polystyrene. Although other materials of construction may be utilized, e.g., polyurethane, etc., expanded polystyrene has been found to be most advantageous. The material may be molded to Various densities and for the purpose hereindescribed, a density within the range of l to 20 pounds per cubic foot has been found satisfactory.

Whereas mattresses of the conventional type are extremely heavy and diilicult for Women to turn over or otherwise handle, the instant mattress, by dint of the material utilized, may be readily turned by one individual without strain and in very little time. A material density of between the range of 1 to 14 pounds per cubic foot has also been determined feasible for a mattress Iof the usual -size and, as stated, expanded polystyrene may be conveniently molded to such densities.

Expanded polystyrene, while rigid and substantially unyieldable, is relatively soft to the touch and will not injure the body of the person lying upon a surface molded thereof. Accordingly, such material, essentially because of its rigidity has not heretofore been used in mattress construction. The present mattress, however, constructed thereof, has been found unexpectedly advantageous and especially desirable when constructed in accordance with the following disclosure.

As aforedescribed, the two sections are joined along plane or line 5 as shown, to form a rigid united structure having at surfaces 6 and 8, respectively, and end and side walls 10, 10 and 12, 12, respectively. A first plurality of air channels 14 extend through the united structure as shown and provide communication between the end walls 10, 10. A second plurality of air channels 16 Isimilarly extend through said structure and establish communication between the side walls 12, 12. Said first and second air channels are respectively perpendicularly arranged and each channel is as illustrated, partially disposed within each said sections 2 and 4 and bisected by line or plane 5.

Completely contained within and extending through each section is a plurality of transverse and longitudinal air passages 18 and 20, respectively, said air passages effectuating communication between side edges 22, 22 and end edges 24, 24, said transverse and longitudinal air passages being in perpendicular relation as illustrated.

To the end of carrying the air circulating internally of the mattress structure by reason of the aforedescribed air channels and passages to th'e surfaces 6 and 8 of the mattress, ventilation openings i26 are provided to extend completely through said united structure thereby establishing communication between said upper surface 6 and lower surface 8, said openings being arranged in communication with said air passages and said air channels, and being small enough in diameter so as not to interfere with the comfort of the user.

Accordingly, said ventilation openings 26 accomplish thorough ventilation of the upper and lower mattress surfaces by dint of their placement in spaced arrangement across the entire areas of said surfaces. Further, it will be appreciated that blockage of circulation into the openings disposed through said lower surface 8 will not preclude ample air circulation to the upper surface 6 inasmuch as air may still flow interiorly of the mattress structure through the side and end walls thereof and thence to said upper surface 6 via said ventilation openings.

The mattress construction hereinabove described and preferred is easy to fabricate in view of the two-section construction wherein a single mold cavity may be used to form the entire united structure. Further, if it be desirable for economic reasons to mold the sections with only either the air channels or Vthe air passages coacting -with the ventilation openings, such is also practicable and effective in providing a suitable mattress structure.

t With reference now to FIGURE of the drawings, the mattress structure 1 which has been formed by uniting sections 2 and 4 by applying cementitious material therebetween or by the use of another suitable fastening device, is shown supported upon bed board 28, box springs 30 being interposed therebetween. The mattress structure may be covered by bed sheets and otherwise utilized in the conventional manner.

Although the preferred 'embodiment of the rigid mattress `structure has been described, it will be understood that within the purview of this invention various changes may be made in the forms, details, proportion and arrangement of parts, the combination thereof and mode of operation, which generally stated consists in a device capable of carrying out the objects set forth as disclosed and defined in the appended claim.

What is claimed is:

In a rigid, cellular mattress structure capable of supporting a person in a reclining position and being unyielding under the weight of the person, said mattress being comprised of two identical sections each having side and end edges, said sections being joined along a plane to form a rigid united structure, said structure having upper and lower substantially at surfaces and end and side walls,

said unit'ed structure having a plurality of rst air channels extending therethrough and communicating between said end walls, and a plurality of second air channels extending therethrough and communicating between said side walls, said rst and second air channels being each of substantially equal cross-sectional area and being respectively perpendicularly arranged and intersecting, each channel being partially disposed within each `said identical sections, and each channel being bis'ected by said plane, each section having a plurality of transverse and longitudinally air passages extending through each section and communicating between the side and end edges thereof, each of said air passages respectively being of substantially the same cross-sectional area as said rst and second air lchannels, and a plurality of ventilation openings 'extending through said united structure and establishing communication between said upper and lower surfaces, said ventilation openings being substantially greater in number than the combined number of air channels and air passages, said ventilation openings each being of substantially smaller cross-sectional area than each said air channels and air passages, and said ventilation openings being arranged in communication with respective air channels and air passages.

References Cited by the Examiner UNITED STATES PATENTS 2,315,391 3/43 Blair 5-337 2,371,788 3/45 Weeber 5-347 X 2,807,033 9/57 Austen 5-347 2,979,739 4/61 Krakauer 5--345 t 3,038,175 6/62 Faget et al. 5-345 FRANK B. SHERRY, Primary Examiner.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2315391 *Dec 16, 1939Mar 30, 1943Mishawaka Rubber & Woolen MfgCushion
US2371788 *Aug 7, 1942Mar 20, 1945Weeber PaulCushion
US2807033 *Feb 6, 1956Sep 24, 1957Herman P AustenMattress
US2979739 *Dec 26, 1957Apr 18, 1961Kay Mfg CorpMattress, cushion or the like
US3038175 *Sep 18, 1959Jun 12, 1962Maxime A FagetSurvival couch
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3670345 *Feb 2, 1970Jun 20, 1972Cellu Prod CoPatient underpad
US3681797 *Jun 29, 1970Aug 8, 1972Jacob MessnerCover materials for body-supporting articles
US3768640 *Jul 16, 1971Oct 30, 1973Piscatelli ANovel cloth winding board
US3973281 *Dec 6, 1974Aug 10, 1976Davis William RMolded expanded polystyrene bed assembly
US4002108 *Aug 27, 1975Jan 11, 1977Mordeki DroriVentilated back-seat rest particularly for automotive vehicles
US4134166 *Dec 16, 1977Jan 16, 1979Schuder Paul SMattress construction
US4573456 *May 28, 1985Mar 4, 1986Span-America Medical Systems, Inc.Foam body support
US4688285 *Sep 22, 1986Aug 25, 1987Roberts Mildred EVentilated medical cushion or pad
US4750720 *Feb 26, 1986Jun 14, 1988Woco Franz-Josef Wolf & Co.Spring element
US4980940 *Dec 18, 1989Jan 1, 1991Tadao IsshikiCore material for bed and bed made therefrom
US4998308 *Feb 14, 1990Mar 12, 1991Frank FaragoSeclusion room bed
US5388296 *Jan 15, 1993Feb 14, 1995Mansour; JosephFluid permeable bed accessory
US5423099 *Jan 6, 1994Jun 13, 1995Gulli; FrankInfant safety pillow
US5463785 *Jun 27, 1994Nov 7, 1995Mckeel; William H.Combination airflow infant pad and toddler pillow
US5597200 *Nov 22, 1993Jan 28, 1997Amerigon, Inc.Variable temperature seat
US5724916 *Jul 22, 1993Mar 10, 1998Brodie; ScottSynthetic horse bedding
US6322139 *Jul 7, 2000Nov 27, 2001Louis ChuangBicycle saddle with ventilation function
US6487739 *Jun 1, 2000Dec 3, 2002Crown Therapeutics, Inc.Moisture drying mattress with separate zone controls
US6687937May 16, 2002Feb 10, 2004Crown Therapeutics, Inc.Moisture drying mattress with separate zone controls
US6857697Jun 17, 2003Feb 22, 2005W.E.T. Automotive Systems AgAutomotive vehicle seating comfort system
US6877815 *Jan 26, 2004Apr 12, 2005Aprica Kassai KabushikikaishaSeat of child-care instrument
US6893086May 9, 2003May 17, 2005W.E.T. Automotive Systems Ltd.Automotive vehicle seat insert
US7052091Jan 26, 2005May 30, 2006W.E.T. Automotive Systems Ltd.Automotive vehicle seat insert
US7065849 *Sep 12, 2002Jun 27, 2006Perfosistem, S.L.Method of producing waterproof foam mattresses
US7083227Mar 10, 2005Aug 1, 2006W.E.T. Automotive Systems, AgAutomotive vehicle seating comfort system
US7131689Jul 21, 2005Nov 7, 2006W.E.T. Automotive Systems, AgAutomotive vehicle seating comfort system
US7197801Feb 17, 2006Apr 3, 2007W.E.T. Automotive Systems Ltd.Automotive vehicle seat insert
US7201441Dec 17, 2003Apr 10, 2007W.E.T. Automotive Systems, AgAir conditioned seat and air conditioning apparatus for a ventilated seat
US7213876Nov 28, 2005May 8, 2007W.E.T. Automotive System AgVehicle seat and associated air conditioning apparatus
US7274007Sep 21, 2004Sep 25, 2007W.E.T. Automotive Systems Ltd.Control system for operating automotive vehicle components
US7338117Apr 12, 2004Mar 4, 2008W.E.T. Automotive System, Ltd.Ventilated seat
US7356912Apr 12, 2004Apr 15, 2008W.E.T. Automotive Systems, Ltd.Method for ventilating a seat
US7370911Oct 15, 2004May 13, 2008W.E.T. Automotive Systems, AgAutomotive vehicle seat insert
US7425034Oct 15, 2004Sep 16, 2008W.E.T. Automotive Systems AgAutomotive vehicle seat having a comfort system
US7461892Dec 1, 2004Dec 9, 2008W.E.T. Automotive Systems, A.C.Valve layer for a seat
US7475938Apr 6, 2007Jan 13, 2009W.E.T. Automotive Systems AgAir conditioned seat and air conditioning apparatus for a ventilated seat
US7478869Aug 16, 2006Jan 20, 2009W.E.T. Automotive Systems, AgAutomotive vehicle seat insert
US7506938Aug 31, 2006Mar 24, 2009W.E.T. Automotive Systems, A.G.Automotive vehicle seating comfort system
US7578552Oct 31, 2007Aug 25, 2009W.E.T. Automotive Systems AgAutomotive vehicle seat having a comfort system
US7588288Apr 14, 2008Sep 15, 2009W.E.T. Automotive Systems AgAutomotive vehicle seat insert
US7618089Nov 17, 2009W.E.T. Automotive Systems AgAir conditioning system for a seat
US7637573Dec 29, 2009W.E.T. Automotive Systems AgAutomotive vehicle seating insert
US7735932Jan 15, 2009Jun 15, 2010W.E.T. Automotive Systems AgAutomotive vehicle seat insert
US7781704Aug 24, 2010W.E.T. Automotive Systems AgControl system for operating automotive vehicle components
US7879434Feb 1, 2011Proprietect L.P.Foam element having molded gas passageways
US7918498Apr 5, 2011W.E.T. Automotive Systems AgValve layer for a seat
US7963594Feb 22, 2010Jun 21, 2011Amerigon IncorporatedChair with air conditioning device
US7971931Aug 16, 2010Jul 5, 2011W.E.T. Automotive Systems AgAutomotive vehicle seat insert
US8065763Nov 29, 2011Amerigon IncorporatedAir conditioned bed
US8162391Jun 29, 2011Apr 24, 2012W.E.T. Automotive Systems AgAutomotive vehicle seat insert
US8162402Apr 24, 2012Toyota Boshoku Kabushikia KaishaVehicular seats
US8181290May 22, 2012Amerigon IncorporatedClimate controlled bed assembly
US8191187Jun 5, 2012Amerigon IncorporatedEnvironmentally-conditioned topper member for beds
US8235462Aug 7, 2012W.E.T. Automotive Systems, Ltd.Valve layer for a seat
US8309892Aug 23, 2010Nov 13, 2012W.E.T. Automotive System, LtdControl system for operating automotive vehicle components
US8332975Dec 18, 2012Gentherm IncorporatedClimate-controlled topper member for medical beds
US8360517Jan 29, 2013W.E.T. Automotive Systems, Ag.Automotive vehicle seat insert
US8402579Mar 26, 2013Gentherm IncorporatedClimate controlled beds and methods of operating the same
US8418286Apr 16, 2013Gentherm IncorporatedClimate controlled bed assembly
US8539624Nov 17, 2006Sep 24, 2013Gentherm IncorporatedStructure based fluid distribution system
US8621687Dec 14, 2012Jan 7, 2014Gentherm IncorporatedTopper member for bed
US8732874Nov 23, 2011May 27, 2014Gentherm IncorporatedHeated and cooled bed assembly
US8777320Dec 21, 2009Jul 15, 2014W.E.T. Automotive Systems AgVentilation system
US8782830Apr 12, 2013Jul 22, 2014Gentherm IncorporatedEnvironmentally conditioned bed assembly
US8888573Dec 3, 2008Nov 18, 2014W.E.T. Automotive Systems AgSeat conditioning module and method
US8893329May 6, 2010Nov 25, 2014Gentherm IncorporatedControl schemes and features for climate-controlled beds
US9085255Mar 18, 2009Jul 21, 2015Gentherm GmbhVentilation means
US9125497Feb 22, 2013Sep 8, 2015Gentherm IncorporatedClimate controlled bed assembly with intermediate layer
US9167909 *Mar 21, 2014Oct 27, 2015Carico International, Inc.Mattress
US9283879Nov 14, 2012Mar 15, 2016Gentherm GmbhAir conveyor
US9308393Jan 15, 2015Apr 12, 2016Dri-Em, Inc.Bed drying device, UV lights for bedsores
US9415712Jun 11, 2014Aug 16, 2016Gentherm GmbhVentilation system
US9434284Nov 13, 2012Sep 6, 2016Gentherm GmbhThermostat device
US9440567Dec 14, 2012Sep 13, 2016Gentherm GmbhAutomotive vehicle seat insert
US9448017Dec 5, 2012Sep 20, 2016Gentherm GmbhTemperature control system for an electrochemical voltage source
US20040082674 *Oct 21, 2003Apr 29, 2004Woodbridge Foam CorporationFoam element having molded gas passageways and process for production thereof
US20040195887 *Jan 26, 2004Oct 7, 2004Kenzou KassaiSeat of child-care instrument
US20050019489 *Sep 12, 2002Jan 27, 2005Choperena Benito MartinezMethod of producing waterproof foam mattresses
US20050115000 *Oct 20, 2004Jun 2, 2005Kenzou KassaiBaby mat
US20050210595 *Mar 23, 2004Sep 29, 2005Di Stasio Anthony AMattress having reticulated viscoelastic foam
US20070248789 *Sep 27, 2006Oct 25, 2007Woodbridge Foam CorporationFoam Element Having Molded Gas Passageways And Process For Production Thereof
US20090008970 *Nov 26, 2005Jan 8, 2009Daimlerchrysler AgBackrest For A Motor Vehicle Seat With An Air Supply Device
US20100102615 *Oct 27, 2008Apr 29, 2010Toyota Boshoku Kabushiki KaishaVehicular seats
US20100146700 *Feb 22, 2010Jun 17, 2010Amerigon IncorporatedChair with air conditioning device
US20110035879 *Aug 11, 2009Feb 17, 2011MerchSource, LLCConvection cooled mattress
US20140208521 *Jul 18, 2012Jul 31, 2014Kingsdown, Inc.Foam mattress with progressive support characteristics and method for manufacturing the same
US20150265063 *Mar 21, 2014Sep 24, 2015Carico International, Inc.Mattress
US20150359357 *Aug 8, 2014Dec 17, 2015Stork Craft Manufacturing Inc.Compressible mattress
USRE41765Nov 28, 2001Sep 28, 2010Amerigon IncorporatedVariable temperature seat
DE2930750A1 *Jul 28, 1979Feb 19, 1981Metzeler Schaum GmbhVentilated foam mattress assembly - consists of two halves with cavities on underside and vertical holes
EP0187888A1 *Jan 18, 1985Jul 23, 1986WOCO Franz-Josef Wolf & Co.Spring body and process for its production
EP0192936A2 *Jan 14, 1986Sep 3, 1986WOCO Franz-Josef Wolf & Co.Spring member
EP0405515A1 *Jun 27, 1990Jan 2, 1991Metzeler Schaum GmbhSelfinflating cushion
EP0606892A1 *Jan 12, 1994Jul 20, 1994Siegfried Dipl.-Ing. HeerklotzA flat upholstery body of foam material, particularly mattress
WO1995014409A1 *Nov 21, 1994Jun 1, 1995Amerigon, Inc.Variable temperature seat
WO1996000025A1 *Jun 21, 1995Jan 4, 1996Mckeel William HCombination airflow infant pad and toddler pillow
WO2001091617A1 *May 31, 2001Dec 6, 2001Crown Therapeutics, Inc.Moisture drying mattress with separate zone controls
WO2008087531A1 *Jan 15, 2008Jul 24, 2008Manifattura Maiano S.P.A.Structure for mattresses and the like, undulated felt sheet for mattresses and the like, apparatus and method for the production of an undulated felt sheet
U.S. Classification5/724, 416/229.00R, 297/452.47, 5/740, 416/97.00R
International ClassificationA47C27/15
Cooperative ClassificationA47C27/144, A47C27/15
European ClassificationA47C27/14C2, A47C27/15