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US3546724A - Mattresses - Google Patents

Mattresses Download PDF

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Publication number
US3546724A
US3546724A US743085A US3546724DA US3546724A US 3546724 A US3546724 A US 3546724A US 743085 A US743085 A US 743085A US 3546724D A US3546724D A US 3546724DA US 3546724 A US3546724 A US 3546724A
Authority
US
United States
Prior art keywords
plates
mattress
mattresses
posts
poles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US743085A
Other languages
English (en)
Inventor
Jose De Araujo Bastos
Jose Roberto Ribeiro Bastos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3546724A publication Critical patent/US3546724A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/045—Attachment of spring inlays to coverings; Use of stiffening sheets, lattices or grids under spring inlays
    • A47C27/0453—Attachment of spring inlays to outer layers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/12—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type
    • A47C23/125—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type using vertically mounted tension springs
    • 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
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/062—Spring inlays of different resiliencies
    • 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
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/065—Spring inlays of special shape

Definitions

  • An orthopedic mattress includes a pair of spaced apart non-deformable, flexible plates forming the top and bottom portions of the mattress. Rigid spacer posts are disposed between the plates as are springs under tension, the latter urging the plates toward each other to prevent unintentional separation and assuring that the plates will return to normal position after being iexed while applying bed covering thereto.
  • This invention relates to mattresses of the hard-surface type, frequently referred to as medicinal, clinical or orthopedic mattresses.
  • Such mattresses due to their structural non-deformability, do not deect or sink under the weight of the body of the user.
  • mattresses of this type had to have hard and inflexible top and bottom surfaces in order not to sink under the weight of the body of the user, they were always manufactured starting from basic internal structures as, for instance, simple pinewood packing-boxes or weighty and compact masses of pressed fibres, which were subsequently lined and coated in order to be given an acceptable outward appearance.
  • the primary object of the present invention is to overcome the aforesaid disadvantages of the prior art and to provide a mattress of the hard-surface type whose main advantage is that of combining apparently opposite attributes, viz the non-deformability of the mattress back under the weight of a persons body, utmost lightness and an outstanding structural flexibility capable of affording the housewife the possibility of partly raising the sides and corners of a mattress to put the borders and ends of the sheets under them with a minimum of effort.
  • the improvements provided by this invention are fundamentally characterized by the fact that the internal structure of a medicinal-type mattress is made of two relatively thin plates which form the backs or upper and lower surfaces of the mattress, which are spaced from each other and are interconnected by support elements spaced therebetween, such as blocks, posts, poles, etc. Said support elements are fastened at their ends, by -rneans of joints, to the internal opposite faces of said plates and are evenly distributed along the hollow internal area of the structure.
  • FIG. l is a top plan view, partly in section, of a mattress embodying the invention.
  • FIG. 2 is a side elevation, partly in section, of the mattress shown in FIG. l;
  • FIG. 3 is a fragmentary section of the construction shown in FIG. 2;
  • FIG. 4 is a side elevation of the mattress with a portion of the cover removed and one end of the mattress being shown in a flexed position as would occur4 when applying a bed covering thereto;
  • FIG. 5 is a perspective View showing in dotted lines, one end of the mattress in a flexed position.
  • the mattress includes two parallel plates, 10, 11 which form the backs of the mattress.
  • the plates are of generally rectangular shape and are made of plywood or the like.
  • the surface of each plate is provided with small holes 12 arranged in parallel and equidistant rows extending longitudinally and transversely of the plate.
  • edges of the plates may be covered with metal strips 13 of U-shaped for example, which are properly xed and designed to reinforce and protect said edges.
  • a backing structure formed by a plurality of inflexible support members, such as the poles or posts 14 arranged perpendicularly to the internal opposite faces of the plates, to which Ithey are xed by means of joints.
  • Such poles are distributed in longitudinal and transverse rows, parallel to and equidistant from each other, in 'accordance with the above mentioned openings 12 as shown in FIG. 1.
  • poles or posts may vary from the simplest cubic bodies to elements of the most complex design, one of the preferred embodiments is that shown in the drawings, specially in FIG. 3, where said posts or poles 14 are formed of an element having a shape similar to a spool, so as to provide an elongated, preferably cylindrical body 15, the ends of which are provided with slightly convex support flanges 16, whose external, somewhat bulged faces are disposed in such a manner that they enter in direct contact with the internal faces of the plates 10 and 11, either by means of disks or perforated washers 17 of a resilient elastic material, which are disposed around said openings 12.
  • the support poles In this preferred embodiment of the support poles, they have an axial hole 18 which receives in each end a locking pen 19 which passes through the openings 12 in the plates and through the opening in washer 17 into the axial hole 18.
  • the pin 19 is provided with a head 20 which limits the depth of its penetration into hole 18.
  • said locking pin 19 is in the form of an elongated cylindrical stopper, one of its ends being provided with a ring-shaped flange or head and the other end being rounded, and it is adapted to be inserted under pressure into the corresponding holes 12 provided in the plates 10 and 11 through the washers or support disks 17 and into the poles 14.
  • said locking pins 19 are preferably made of a resilient material which must have a certain elasticity, as, for instance, rubber, or relatively exible plastic or other proper material.
  • the structure further comprises backing members or angle bars 21 provided in the four corners of plates and fastened to the internal faces of same by means of joints, in order to prevent possible displacements of the structure of the mattress when it is submitted to the lateral pressures resulting from the lifting of part thereof, as shown in FIGS. 4 and 5.
  • fastening means perpendicular to the plates and preferably consisting of small spiral draw springs 22 which remain in a drawn position with some degree of tension between said plates. Said springs are fastened to the respective plates by pins 23 fixed therein.
  • draw springs may be of any type provided it affords suiicient tension capable of preventing the mutual separation of the plates 10- and 11 and guaranteeing the harmonious exibility of the structure in conformity with the invention.
  • the outer faces of the plates are coated with a layer of suitable material such as rubber foam, of sufficient thickness to offset the rigidity of the plates and to prevent the mattress from adversely affecting the circulation of the blood flow in the part of the body resting on them.
  • suitable material such as rubber foam
  • a noncompressible mattress having non-deformable, flexible body supporting surfaces comprising a pair of parallel, non-deformable, spaced apart, body supporting, flexible plates, a plurality of rigid, inflexible spacer posts disposed perpendicularly between said plates, articulated connection means joining said posts to each of said plates, and fastening means connected to each of said plates urging said plates toward each other, whereby the mattress sides and corners can be flexed and raised sufficiently to conveniently permit placing the marginal edges of bed coverings beneath the lower surface of said mattress.
  • each of said plates are provided with a plurality of similarly spaced openings
  • each of said posts are tubular and are provided at each end with a convex flange
  • the means connecting said posts to said plates comprises locking pins passing through said openings in said plates and into the tubular posts.
  • a mattress according to claim 1 wherein the fastening means connected to each of said plates comprises a plurality of springs under tension.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Invalid Beds And Related Equipment (AREA)
US743085A 1967-07-26 1968-07-08 Mattresses Expired - Lifetime US3546724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AR20874467 1967-07-26

Publications (1)

Publication Number Publication Date
US3546724A true US3546724A (en) 1970-12-15

Family

ID=3461507

Family Applications (1)

Application Number Title Priority Date Filing Date
US743085A Expired - Lifetime US3546724A (en) 1967-07-26 1968-07-08 Mattresses

Country Status (10)

Country Link
US (1) US3546724A (xx)
AT (1) AT277447B (xx)
BE (1) BE718684A (xx)
CH (1) CH495135A (xx)
DE (1) DE1654205C3 (xx)
DK (1) DK119021B (xx)
ES (1) ES356544A1 (xx)
GB (1) GB1192669A (xx)
NL (1) NL6810590A (xx)
SE (1) SE333224B (xx)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122568A (en) * 1977-06-10 1978-10-31 Bastos Jose R R Mattress of the hard surface type
US6637072B2 (en) 2000-09-29 2003-10-28 Formway Furniture Limited Castored base for an office chair
US6802566B2 (en) 2000-09-28 2004-10-12 Formway Furniture Limited Arm assembly for a chair
US6840582B2 (en) 2002-05-14 2005-01-11 Formway Furniture Limited Height adjustable arm assembly

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8810557U1 (de) * 1988-08-20 1988-12-15 Planeta Hausgeräte GmbH & Co Elektrotechnik KG, 8948 Mindelheim Liegefläche eines Liegemöbels
NO178562C (no) * 1993-11-16 1996-04-24 Nail Web As Madrass
DE10206058C1 (de) * 2002-02-07 2003-08-21 Thermohauser Erwin Busch Gmbh Spritzbeutel für pastöse Lebensmittel, Verfahren zum Herstellen eines Spritzbeutels und Vorrichtung zur Durchführung des Herstellverfahrens

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979739A (en) * 1957-12-26 1961-04-18 Kay Mfg Corp Mattress, cushion or the like
US3251077A (en) * 1964-03-03 1966-05-17 Ronald H Beckman Spring assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979739A (en) * 1957-12-26 1961-04-18 Kay Mfg Corp Mattress, cushion or the like
US3251077A (en) * 1964-03-03 1966-05-17 Ronald H Beckman Spring assembly

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122568A (en) * 1977-06-10 1978-10-31 Bastos Jose R R Mattress of the hard surface type
US6802566B2 (en) 2000-09-28 2004-10-12 Formway Furniture Limited Arm assembly for a chair
US6817667B2 (en) 2000-09-28 2004-11-16 Formway Furniture Limited Reclinable chair
US6874852B2 (en) 2000-09-28 2005-04-05 Formway Furniture Limited Lumbar support
US6908159B2 (en) 2000-09-28 2005-06-21 Formway Furniture Limited Seat for a reclining office chair
US6910741B2 (en) 2000-09-28 2005-06-28 Formway Furniture Limited Lumbar support
US7441839B2 (en) 2000-09-28 2008-10-28 Formway Furniture Limited Reclinable chair
US7798573B2 (en) 2000-09-28 2010-09-21 Formway Furniture Limited Reclinable chair
US6637072B2 (en) 2000-09-29 2003-10-28 Formway Furniture Limited Castored base for an office chair
US6840582B2 (en) 2002-05-14 2005-01-11 Formway Furniture Limited Height adjustable arm assembly

Also Published As

Publication number Publication date
GB1192669A (en) 1970-05-20
CH495135A (de) 1970-08-31
DE1654205C3 (de) 1974-03-07
DE1654205B2 (de) 1973-08-09
BE718684A (xx) 1968-12-31
ES356544A1 (es) 1970-01-16
NL6810590A (xx) 1969-01-28
DK119021B (da) 1970-11-02
SE333224B (sv) 1971-03-08
DE1654205A1 (de) 1972-03-09
AT277447B (de) 1969-12-29

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