PATENTEÍ? APR, 17, 1906.
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`R. A. WHALL,
`PNEUMATIO MATTRESSì GUSHÍON, 8m.
`APPLICATION vPÍLED INDX/'22,1905
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`INTEX EXHIBIT 2009, Pg. 1
`Bestway v. Intex; PGR2017-00003
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`.Epecificatíoniof Letters Patent.
`'_ Patented April Il?, 1906.
`application filed J\lly Z2, 1905. Serial Nv. 270,832.
`they are'stitehed'to thepieces tra, while the 5’5
`h'ictional material on’the said pieces is uni/ul
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`lle it ltnown that l, Rionegro A. WIL-ML, a
`. resident ol lteeding,.ln the County of Mid
`.dlesex and State ol” lllassaehusetts have in
`vented certain new and useful lmpxìovenient
`in Pneumatic Mattresses, 'Uushionsu éèe., ol
`which the follotî‘iner is a specilieati‘on.
`This invention has for its objet-t to provide
`anair-holding bag ada )ted for“ use as a pneu-_ì
`inatic mattress or eus non in which the.„side_
`pieces formingr the'toil and bottom shall be
`~ ‘lirnily connected against'undue_displacement
`by internal air-pressure without liability of
`breakage 6i' any ofthe parts _and without
`'lormin‘mY hard bunches or protuberances on the'
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`canized.
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`e -e represent llexlble- reint'or(fing~st-rips oli Q
`lrlctioned material, preferably textile fabric,>
`which are placed upon the outer surfaces of (ad
`the top andbottoni. pieces a a in_position to
`cover the ro'wsol' stitches d, the width of the. '
`said reinforclnfrlstripsïbeing `such that they
`eèitend a..considera-hle distanee in‘eaeh direc
`tion from the rows of stitches.
`tiâaied inne“ snrlaee‘o‘? `the stri-ps e. is placed
`1n Contact with the l'rietioned outer surface _of
`the tooand bottom pieces _fr o.
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`The parts i
`being assembled ‘ as above indicated, the
`structurels subjected to heatin avulcanlzing- 7_o_
`oven ‘to Vulcania@ 'the li'ietionlnicr material on
`4the'respective parts, and tln'ls lirmly unite
`the same along their cor'itacting surl‘aees. lt
`Will lie-seen that the vuleanizationol' the relnf-ï.
`-‘forcing-strips e tothe top and bottom pieces "75
`(L ofeloses _the nilnuteorilices around the
`stitches, tllusjvreventmg the eseapo ol’` an'
`where'the stitches are termed, the said rein»
`‘forcing-strips at thesenic-tlme preventlr j
`any liability ol' tearing or rnpturmg the top 8o
`and bottom pieces along'the lines where they
`are .perforated by the stitches, so that thereP
`is no liability of damage 'to tho top and bot
`tom pieces by internal air-pressure. -
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`lt will l e seen that the structure above de?
`scribed is composed entirely ol" llexible and.
`yielding- parts 'of sheet material, there-being _'
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`nothing to _cause uncomfortably hard places
`ornprot u berances.
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`l clavar-1
`An air-holding bag adapted `for use as a l
`pneumatic mattress orcushion, and lia-ving
`stay-strips 'which extendbetween 'the side' .
`pieces ol the bag and are united to said side
`~pieces by rows ol'` stitches passing through 95*
`the side pieces., and air-prooi" _reinforcingr`
`strips applied tothe outer surlacesol’ the side
`pieces azul/covering the stitches, said _strips
`being united to the side pieces by yulcanizaf
`tion and not only preven'ting'the escape ol: air Vróo
`around the stitches, but also the rupturiner
`of the side -pieees along?r the rows of stitches.
`ln testimony whereofl have allixed my
`signature in presence of ltwowltnesses,
`RlCllAliD A. WllAllli.
`Witnesses:
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`C. LF. BROWN,
`- E. 'BA'rculaLnEa
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`upper'surlaee.
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`The invention consists in the improve
`ments which l will now proceed to describe
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`and claim.
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`ct-hersuitable manner.
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`(lf the accompanyingr drawings, forming a.
`part of thisfspceilieatíon, Figure l represents
`a- perspective seetlonal vieu ol'v amattress
`embodying h‘íydniventionf" Fig. 2 represents
`a fragmentary sectional View ol' the same. _
`The same letters ol reference indicate the
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`` saine parts in both ofthe Jligures.
`ln thedrawings, ¿ha represent the top and
`bottom pieces ofertan-holding bag, the same
`bci-ng suitably connected aty their. edges by.
`means suclrasra marginal Strip For> inv any
`c c represent staystrips of suitably llexiblf.x
`an'd'practlcally inexpensive material7 stout
`Written textile fabric in the form -o'f webbing
`being preferred.> The edge. portions ot .thie
`strips are bent to forni lflanges c’ (_f’,u'l1it:h 'ere
`placed in Contact with, the inner surface ol: the
`pieces (l o and are united tío the latter by rows
`_ _of stitches il, extendingr through the llanges
`t" and through'the )let-es a.' The stay-strips
`e are elongated and extend ncarlythe entire
`length or width ol'the bag, provision beiner
`made for the passage oll air from 'side to side
`of each stay~stripl 'to insure uniformity oll
`pressure throughout the entire all».l lace. '.l‘o
`this end the stay-strips may be ma e shorter
`than the length ol' the airlspace, so that air
`passages `will be l'o‘rmedat- theirends.
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`‘ The top and bot toni pieces a a are suitably
`frictionetlf-fthat is, treated with lmvulcanN
`iaed rubber-'before the parts of the mattressA l
`are assembled, and the conneetinU-strip’b
`1s nrelerably similarly treated. 'lflïre’stay-v
`'strips
`do not require trletloulng material, and
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`INTEX EXHIBIT 2009, Pg. 2
`Bestway v. Intex; PGR2017-00003
`
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