Sept. 22, i942.
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`A. KRAKAUER
`SPRING EDGE MATTRESS on CUSHION
`Filed June 27, 1938
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`2,296,559
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`IPR2017-00351
`Fredman EX1024 Page 1
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`Patented Sept. 22, 1942
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`' 2,296,559`
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`UNITED STATES >PATENT OFFICE
`2,296,559
`SPRING EDGE MATTRESS OR CUSHION
`assignor to
`Abraham Krakauer, Brooklyn, N. Y.,
`Brooklyn,
`Kay Manufacturing Corporation,
`N. Y., a corporation of New York ~
`Application June 27, 1938, Serial No. 215,971
`16 Claims.
`
`Fig. 4 is a similar View of a modified form of
`the same wherein the metallic reinforcing fabric
`is bent around the roll edge of the cushion or
`mattress, and is used as the upright wall without
`'any padding.
`Fig. 5 is a similar view of another modified
`form of the same wherein the metallic fabric is
`held to the springs by suitable clips or rings at
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`intervals.
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`This invention relates to mattresses and
`cushions, and particularly to the means for main
`taining the side and end edge portions thereof
`against permanent distortion under the stresses
`of use. Mattresses and cushions, even when
`supplied with inner spring units, tend to become
`permanently deformed at the peripheral edge
`portions thereof because the springs of the unit
`cannot be arranged near enough to the side and
`end surfaces of the mattress or cushion to main
`tain the padding and covering at said surfaces in
`their proper initial positions, so that the padding
`tends to work its way inwardlyr toward the springs
`and thereby to remove the supporting effect
`thereof from said surfaces, and to permit the
`surfaces to collapse.
`My invention therefore contemplates the pro
`vision of comparatively inexpensive extensible
`and compressible means for adequately reinforc
`ing and stiüening the end edge surfaces and side
`edge surfaces of the mattress or cushion regard
`less of whether or not padding is there em
`ployed, said means being readily attachable to
`the spring structure and being durable and effec
`tive.
`My invention further contemplates the use of
`suitable Wire mesh fabric for the side and end
`Walls of a mattress or cushion, preferably in con
`junction with an inner spring unit, to expand
`and contract with the corresponding lateral ex
`pansion and contraction of the mattress or
`cushion and thereby to maintain said walls in
`their proper sizes and shapes even after con
`siderable use.
`My invention further contemplates the pro
`vision of walls on a spring structure, formed of
`wire mesh fabric, and serving as a barrier against
`inward displacement of the padding arranged
`outside of said walls, if such padding is used, or
`serving alone and without covering as the sole
`side and end wall means.
`The variousobjects of the invention will be
`clear from the description which follows and from
`the drawing, in which,
`Fig. 1 is an elevation partly in section of one
`form of a cushion or mattress to'which my in
`vention has been applied and wherein no side
`padding is employed.
`Fig. 2 is a fragmentary vertical section of'a
`modified form of the same in which side padding
`is used.
`Fig. 3 is a similar view of another modified form
`of the same wherein the reinforcing metallic
`fabricl at the side and end surfaces is held between
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`two layers of padding.V
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`Fig. 6 is a perspective View partly broken away
`of a cushion or mattress similar to that shown in
`Fig. 4 wherein the covering of the side and end
`edge surfaces is omitted.
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`_ In the practical embodiment of my invention
`which I have shown by way of example,v the
`metallic fabric or Wire mesh- I0 is arranged in
`upright position at the side and end edges of the
`structure and between the upper and lower sur
`faces thereof. Said fabric is Wovenin strip form
`of suitable thin springy wires Il, the individual
`wires being arranged in sinuous lform throughout
`the fabric with the crest 2 and the troughs 3 of
`the sinuous curves arranged at the edges of the
`strip and forming a selvage. The width of the
`metallic strip I0 is preferably substantially equal
`to the thickness of the spring structure, though
`it will be understood that the strip may be com
`pressed or expanded, if necessary, to the required`
`width, said strip being readily compressible and
`expansible transversely. The metallic strip IIL'
`,when compressed, tends to bulge outwardly
`thereby maintaining the properflat or convex
`edge on the spring structure instead of the con
`cave edges or surfaces ultimately produced in an
`ordinary mattress structure after repeated com
`pression thereof. The strip IU may be used with
`or without padding and with or without a cov
`ering therefor, as will hereinafter appear.
`shown in Fig. l, ì
`In the form of the mattress
`the usual coil springs I2 are secured together in
`rows by means ofthe helical springs I3, I4, I5
`and 2| customarily used Afor'that purpose to pro
`duce an inner spring unit. The unit is shown as
`covered by the padding I6 on its upper surface
`(cid:173)and the padding I'I at its under surface, the
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`whole being enclosed in the casing IB at the cor
`ners of which is secured the rolledging I9, 20.
`The metallic mesh or wire fabric I0 is arranged
`between the upper and lower helical springs I3
`and 2 I , that is, between the top and-bottom of the
`spring structure in substantially upright posi
`tion and is held in place by the helicals.
`Preferably, the upper and lower edges of the
`mesh are secured in place at the> same time that
`the coil springs are secured together by said
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`helical springs, the spring I3, for example, being
`tion of the mesh by suitable means such as the
`wound around part of the upper coils of the
`clips or staples 35. The padding 36 is arranged
`springs and at the same time wound through the
`at the top and bottom of the spring structure.
`interstices between the individual wires at the
`The casing 38 covers the padding and the bent
`upper edge of the wire mesh I0, the wires of said
`portion 33 of the wire mesh and extends partly
`mesh being suiiiciently yieldable or displaceable
`down the side and end edges as at 3l. Said
`to permit the spring to be wound therebetween.
`casing 38 is suitably stitched in place to the wire
`Similarly, the lower edge of the mesh is secured
`mesh around its preferably doubled back periph
`to the lower coils of the coil springs by the
`eral edge, as at 39. The bottom surface of the
`helical 2| at the same time that said helical is
`mattress is similarly completed thereby leaving
`wound around the lowermost coils of the coil
`the larger portion 40 of the Wire mesh exposed
`springs. 'I'he mesh being bendable, it may read- .
`and uncovered. In this form of my invention,
`ily be bent at the corners of the mattress to form
`the interior of the mattress is Visible through the
`the end edge surface 22 forming a continuationV
`upright mesh walls 40 and the entire interior is
`of and at substantially rightV anglesto the side`
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`readilyventilated.through the interstices of said
`edge surface`,`
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`mesh. The round wire of the mesh being free
`As shown in Fig. 1, the padding at the sides, of
`from~ any rprotuberances or projections cannot
`the mattress may be omitted andthe casing I8 l,
`catch upon any sheeting or other material cus
`arranged directly outside of andin face-to-face
`tomarily used Yfor covering the mattress when in
`relation to the mesh. If desired, the mesh may
`use but provides a sanitary and well ventilated
`additionally be held to the casing by suitable
`mattress of economical construction, dispensing
`Ventilating eyelets 23 of the usual type passing
`with the necessity for Ventilating eyelets, but
`through'the casing and the mesh.
`permitting the use of the customary straps Iiik
`When the mattress» is compressed, the mesh» II)
`for turning the mattress.
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`is also compressed, the indi-vidualvviresy thereof
`In that form of the invention shown in Fig.V 5,Vv
`assuming a more flattened form and partly> clos
`the wire mesh I0» is secured in an vecronomiçal
`ing the interstices 24 therebetween. When Íthe
`manner at itsupper and lower edges to the‘end
`mattress is released from itscompressive stress,
`coils of the springs ' I2 andby the so-called wire
`the coil» springs I2-return the mattress to its
`“hog” rings 4I o'r other suitable faste’ningrmeansY
`original expanded and unstressed form and ex
`arranged at spaced` intervals, the helicals~ being
`pand the mesh I 0 to its initial position. Said
`mesh I0, 22, suitably stiifens -and‘enforces the
`sideand end edges of the mattress and sufficientlyH
`resists inward pressure thereon to prevent objec
`tionablefconcavity of said end and side edges,
`and also serves to maintain the mattress for a
`long time and even under long use in its proper
`form particularly at the side and end edges
`thereof, thereby avoiding the objection to edge
`padding which tends to move inwardly andato,
`permit said side and end edges >to become concave.
`As shown in Fig. 2, the separate roll edging I9,
`20 may be omitted, and suitable padding as 25
`inserted between the casing IB and the meshl I0,
`22. If desired, the padding 32 may be arranged
`around the marginal'helicals I 4 and I5 toy form
`a suitable roll edge, though it will be understood
`that the roll edge may be entirely omitted, if d_e
`sired. The eyelet 23 serves to secure the mesh,
`padding and casing together and permits the
`circulation of air through the interior of the
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`thereby dispensedvwith.
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`It will be understoodV from the above that` the .
`wire mesh may be conveniently secured toN any
`of the usual formsof inner spring units customf
`arily used for mattresses and cushionsrtoiorrn
`resilient protecting and/reinforcingY edge andend
`surfaces thereof. It will furth'erbe understood
`that any of the means customarilyemployedfor
`holding the parts- of a spring structuretogether
`such as rings, clips, helical springs oreven stitch,
`ing may be used for securing the _upper and lower,
`edges of the wire mesh vin` place, and (cid:173)finally it
`will be understood that- the wire mesh may(cid:173) be
`covered or uncovered, or'paddedor unpaddemas
`may be found desirable
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`for'the special purposes
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`' for which the mattress isv designed.
`While I have shown and v described certain
`specific embodimentsfof my invention, Ido notv
`wish to be understoodasrlimitingwmyself thereto,
`but intend to claimY the- invention >as broadly as
`may be permitted by the stateof the prior art
`and the scope of the appendedclaims.
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`mattress.
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`As illustrated in Fig.Y 3, instead of arranging
`the mesh at the inner surface of the padding,
`said mesh may be prearranged between twolayers
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`as 21, 28 of the padding and stitched to the pad
`ding by suitable stitching
`29. The mattress may
`then be finished in the usual manner, additional
`stitching as 30, 3| being employed, if desired, to
`secure the padding and the mesh at its edges
`to the casing.
`As shown in Figs. 4 and 6, the greater part of
`the wire mesh comprising the side and end edge
``surfaces of the mattress may be left uncovered,
`unpadded and exposed, the padding being con~
`fined to the top and bottom surfaces ofthe mat
`tress and to the corners thereof, regardless' of
`the manner in which said mesh is secured to the
`inner spring unit of the mattress. In said Fig. 4,
`however, I have shown a modified form of the
`means- for attaching the mesh in place. In'this
`formV of the invention, the upper edge portion 33
`of the mesh is bentaround a core 34 of suitableY
`material such as twistedpaper >roll edging, the
`bent-over portion being secured to the bodylpor
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`I claim: '
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`1. In a spring structure provided with a_,seriesV
`of coilsprings having enlargedend coils,and,with
`metallic means for securing" the endcoils Aof the
`springs in place in_the structure, side >and end
`walls on the structure comprisinga striprof woven
`wire mesh fabricY having yaî'widthof substantially .
`the height of the structure 'arideqnsistingler a
`plurality of resilient interwoven wires'l ,each having'
`spaeedreunded bende therein at the edges. @fluire
`strip said wires being substantially. straightb'el
`tween the adjacent bends thereof, and meansA se:
`curing the rounded bends of thestrip to(cid:173) Vthe
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`' peripheral edges of the struQtUl?e, Said means
`passing through the strip.
`2. In a cushion or mattress, aspringstructure
`comprising a series of coil springs, helical'spring's
`joining the end coils of the c_oil springs, side and
`end walls on the structure including a metallic
`strip of Ytransversely compressible and extensible
`fabric having comparativjely.y wide interstices“
`therein and comprising comparatively thinY sinu-Y
`ous interwoven wires, means including said helical
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`marginal wail of the unit in' its initial shape and
`springs securing marginal portions of the strip in
`size and against inward displacement.u
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`upright position in the structure, padding on the
`9. A mattress comprising an inner springl unit
`upper and lower faces of the structure and cover
`including a series of coil springs having enlarged
`ing material for said padding.V
`end coils, top and bottom padding on the unit, a
`3. In a cushion or mattress, a spring structure
`cover on the padding, a continuous strip of me
`comprising a series of coil springs, helical springs
`tallic interwoven wire mesh fabric of a height sub
`joining the end coils of the coil springs, side and
`stantially that of the unit and forming at least
`end walls on the structure including a metallic
`a part of the side walls and end walls of the mat
`strip of transversely compressible and extensible
`tress, and means passing through and securing
`fabric having interstices therein and consisting
`the upper and lower longitudinal edge portions
`of interwoven sinuous wires, the marginal por
`of the strip to adjacent parts of the mattress.
`tions of the strip being secured in upright posi
`10. A mattress comprising an inner spring unit
`tion in the structure to said helical springs, pad
`including coil springs having enlarged end coils,
`ding at the upper and lower faces of the struc
`foraminous edge and end walls in said mattress
`ture and covering material on said padding, the
`substantially enclosing the edges and ends of
`peripheral edges of said covering extending past
`said unit'and comprising a continuous strip of.'
`the corner edges of the structure and terminat
`metallic mesh consisting solely of a plurality of _'
`ing adjacent the edge portions of said strip to ex- l
`thin wires of the same diameter and material`,„
`pose the greater part of the strip.
`yeach of said wires extending in sinuous form.`
`4. In an inner spring unit, upright coil springs,
`throughout the width of the strip at an angle of.'
`substantially upright side and end walls on the
`approximately 45“, said wires crossing to form...
`unit arranged outwardly of said springs and com
`substantially square interstices between adjaQent.,
`prising transversely extensible and compressible
`wires of such dimensions as toV permit relative.;
`metallic interwoven wire mesh, the wires of said
`movement of the wires through substantial dis-A
`mesh being comparatively thin and comparatively
`tances suflicient to take up normal compression‘.
`widely spaced apart and having rounded bends
`of the spring unit under the stresses of use, and'.
`forming a selvage at the edges of the strip, and
`means passing through the upper and lower edges...
`means securing said mesh in place in the unit to
`of the strip and adjacent parts of the mattress;
`compress the mesh on the compression of the
`for securing the strip in upright position in the,
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`springs and to extend the mesh on the release of
`mattress.
`the springs, said means passing through the mesh
`11. In a padded spring structure, a series of.'
`at said bends and being connected to edge por
`A coil springs arranged in rows and each having;v
`tions of the unit adjacent the bends.
`end coils of greater diameter than the intermecli(cid:173).
`5. In a mattress, an inner spring unit, padding
`ate coils thereof, padding means covering said*A
`at the top of the unit, similar padding at the bot
`end coils and extending around the side walls.
`tom of the unit, a covering over each of the pad
`and end walls of the structure and covering at.
`dings, and exposed side and end surfaces on the
`least the peripheral edge portions of said sidev
`mattress comprising wire mesh secured to the
`walls and end walls and including padding ma
`unit and to the coverings and compressible and
`Í terial and covering material, a strip of metallic~
`expansible with the springs of the unit, the top "
`wire fabric arranged at the end walls and side
`padding covering terminating at the side and end
`l walls of the structure inside of said covering ma
`surfaces above the middle of said surfaces and
`terial and spaced outwardly from the intermedi
`the bottom padding covering terminating below
`ate coils ofthe marginal springs 'a greater dis
`the middle of said surfaces.
`tance than the spacing thereof from the end
`6. In an inner spring unit insertable as a whole
`coils of said springs, and means passing through
`into a cushion casing, upright coil springs, met
`the wire fabric and through the covering material
`talic means for securing said springs in place in
`securing said material to said fabric and main
`the unit, protective compressible and extensible
`taining said material and fabric in place in the
`walls at the sides and ends of the unit comprising
`structure.
`substantially upright metallic fabric of inter
`12. In a padded spring structure, a series of
`woven sinuous wires, and means engaging the
`coil springs each having end coils of greater di
`upper and lower edges of the fabric at spaced
`ameter than the intermediate coils thereof, said
`intervals for securing said metallic fabric to ad
`springs being arranged in rows, padding means
`jacent parts of the unit.
`covering said end coils and substantially enclos
`7. In an inner spring unit, upright coil springs,
`ing the springs and including padding material
`compressible and extensible side and end walls
`and covering material, and means arranged at the
`comprising substantially upright metallic fabric
`side and end walls of the structure and extending
`of interwoven sinuous wires, and helical springs
`between the end coils and spaced outwardly from
`passing through the edge portions of the fabric
`the intermediate coils of marginal springs of the
`and around end coils of the upright springs.
`structure a greater distance than the spacing
`8. In a spring structure forming the inner
`thereof from said end coils for preventing perma
`spring unit of a cushion or mattress, a marginal
`nent collapse and distortion of the end walls and
`wall comprising a strip of wire mesh fabric con
`side walls of the structure, said means compris
`sisting solely of interwoven resilient wires of
`ing a foraminous strip of metallic wire mesh, saidl
`sinuous form extending between the edges of the
`marginal springs normally stretching said mesh
`strip and between the upper and lower corner
`laterally, and means passing through the edge
`edges of the structure, and fastening means pass
`portions of the mesh and connected to adjacent
`ing through the edges of the trip and through ad
`portions of the spring structure and securing the
`jacent portions of the structureA to constrain the
`mesh in substantially upright position in the
`strip to be reduced in width on the compression
`structure.
`of the structure and to expand in width on the
`13. In a cushion or mattress structure, an in
`release of the structure from compressive stress,
`ner member comprising a spring unit, padding on
`said strip protecting the unit from the entrance
`each horizontal face of the member, a covering
`thereinto through said wall of substantial quan
`member for the padding, side and end walls on
`tities of extraneous matter and maintaining the
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`2,29.6,559., .,
`the structure4 including la vsubstantially vertical..
`strip of metallic Wireufrabridconsisting ofl inter»
`Woven sinuous Wires Aspaced tovprovide interstices
`therebetween,v said coveringl member covering at
`least the edge portionsr of thefabric, and hori
`zontally arranged fastening meansvrpassing
`through the'Y edge` portions of the fabric .and(cid:173)
`through at least onenof >said members and secur- .
`ingftbe fabric >to adjacent portions 4of the mem.(cid:173)`V
`ber.
`14. «In a cushion or mattress structure, an inner
`member comprising a plurality ,of , coil `springs
`each having end coils of greater ,diameter than,
`the intermediate coils thereof,_side and end‘walls
`on the structure including a strip Yof metallic:y
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`Wire mesh, a covering member on the inner mem
`ber(cid:173) covering the end coils, said covering member Y
`covering also> at least theV _edge portions of the
`mesh, and fastening means connecting said edge
`portions of the mesh to at least one of said mem
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`ture each including a continuous strip ofïwoven -
`Wire. mesh, . coextensive »in- length and width vWith (cid:173)
`that of said Walls andhav-ing lateralfbends there- «
`in at the junctures of -said side Walls-»With the end
`walls, Aand means. vengaging the Y- upperA and~1ower
`edgesof thestrip and passingtherethrough and
`throughadjacent aparts» of- the »structure- toV secure »
`said edges, in placeA in >thelstructure;
`16. In a polygonal-spring lstructure forming-the
`inner spring Yunit of(cid:173)a cushion .or mattresswa
`series of. upright coil springs Vand-upright mar
`ginal Walls resisting.deformation-of the -side and Y
`endedge surfaces-of said vunit' and including a>
`continuous. transversely extensible. and com
`v-pressible strip _of metallic'fabric secured at its -
`edges tovthe >end coils OLthemarginal springs,Y
`saidstrip having a lateralbendgtherein at each ~
`of the corners of .the structure, said strip~com(cid:173)V
`prising sinuous wireshaving edge bends forming ~
`a, selvage on the strip,
`eachY of the*(cid:173)` Wires passing
`completelyacross the strip >at an angle of ap(cid:173)>(cid:173)
`proximately 45°, all of said Wires being` of the
`same diameterland material.
`ABRAHAM -KRAKAUER.~ -
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`15. In a spring structure adapted to be inserted
`as a unit into a casing, upright coil springs se
`cured together,(cid:173) side and end Walls on the struc
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`Fredman EX1024 Page 5