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Патент USA US2408338

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Patented Sept. 24, 1946
A 2,408,337
nNocKnowN sTooL on THE LIKE
William c. Panzenchi'eago, 11,1. .
Application october so, 1944, serial No. 560,921
4 Claims. (o1. 155-194)
y "This
` invention relates
1 to knock-dow n
or the'like and more particularly such a 'stool
made largely from sheet metal.
‘adjacent but spaced below its extreme upper-end
and which provides a downwardly facing shoulder
I'I and' an upwardly facing shoulder I8.
downwardly facing shoulder I'Í mates with the
Among other objects the invention aims to pro
‘vide a simple and inexpensive structure for this
purpose, the separate parts for which can be pro
duced in large quantities from sheet metal at low
cost and Iwhich parts may be assembled, «say after
upwardly facing shoulder I9 on the skirt at the .
lower margin of viillet VI4 and the upwardly facing
shoulder I8 supports the lower edge 20 ofthe
skirt._ >The‘extremey upper end 2l 'of the leg is
shipment to a given destination, with extreme
receivedin the interior channel I5 produced »by
simplicity and-rapidity of operation, the location
ofthe parts being advantageously predetermined
ranged'the various interengaging shoulders re
~by interengaging- formations thereon which not
the embossed fillet I4. »So constructed and ar-Y
ferred to- are desirably still within the extreme
only prevents incorrect assembly but also speeds
outer periphery of the stool top as represented by
up the rate of assemblyand reduces the number
--of fastening elements required. At thesame time
Vinterengaging formations and the minimum
number of fastening elements contribute to en
the exterior face of the fillet I4.
» f
` Thus the downward stresses on the stool top
are transmitted directly to the legs of the stool
through the material of the top and leg them
selves and particularly by the vetrically aligned
interengaging'shoulders just referred to and with
Theseand other advantageous objects will be 20 out dependence upon extraneous fastening'means.
yTo further enhance this desirable interfitting in
readilyapparent from the following description,
terlock, the extreme lowerk edge of the skirt I3
taken together with the accompanying drawing,
hance the appearance of the'stool and comfort
-of use.
>of an illustrative construction following the pres
-ent invention, andY in which drawing-
Figure 1 is an elevational View of a stool em
bodying the present invention;
may be turned inwardly as at the flange 22 >and
the leg may be further channeled inwardly as at
r3 to receive this turned-in edge 22.V >Turning now tothe interñtting formations of
the band II and legs I2, and as best shown in
Figure 3, the band is extruded outwardly in a
Figure 2 is an enlarged vertical sectional View
taken on the line 2~-2 of Figure l, and showing
number of places, corresponding to the number
the interengaging formations between the stool
of legs, as at the bulge 24, and the leg, which has
top and the legs; and
, an arcuate curvature as at 25, mates with this
Figure 3 is a fragmentary cross-section taken
bulge to> predetermine the position of the leg cir
on the line 3-3 of Figure 1 and showing the in»
cumferentially of the band. In .this instance, the
terengaging formations between the band and the
stresses tending to displace the legs are lateral
Referring in detail to the illustrative construc 35 stresses ratherthan the vertical stresses which
more frequently occur at the upper end of the
tion shown in the drawing, the stool ofthe pres
and these lateral stresses on the legs in the
ent invention contemplates a minimum number
vicinity of the band YII are transmitted directly
of parts, and in this instancer the top I0, band H
to the band by the shoulders which occur as at
and legs I2, of which there .may be at least three
and commonly four. These parts may be advan 40 26 at each side of the inner face of the bulge 24,
and again eliminating reliance upon extraneous
fastenings for this purpose.
Thus in both instances, the normal stresses,
namely the vertical stresses adjacent the upper
For this purpose, the stool top I0 has a depend
ing annular skirt I3 about the periphery of which 45 ends of the legs and the lateral stresses adjacent
their lower end, are accommodated by the inter
and vertically intermedial of the skirt is an em
ñtting interlocking formations ofthe parts at
bossed ñllet portion I4 providing an exterior
tageously formed of sheet metal and produced in
large quantities at low cost, for later assembly '
into the stool as shown.
these places respectively. »
somewhat wide band about `the skirt and of in
To fix the assembly, suitable releasable fas
terior channel-like formation as at I5.
Each leg, at its upper end, has formations 50 tener'elements may be provided such as the sin
gle screw 21 here shown passing through the
thereon adapted to interengage in a predeter
band bulge 24 centrally into the leg at this
mined manner with the top formation just de
point and nut 28 which may be turned onto the
Y scribed. To this end, as here shown, and as best Y
screw 21 within the hollow part of the leg. Simi
seen from Figure 2, each leg has an inwardly
offset portion or exteriorly channeled portion i6 55 larly at the upper end of the leg a pair of screws
such as here shown at 29 may be employed which
again are secured in position by the nuts 3D
within the hollow interior of the stool top.
It will be understood of course that suitable
formations including an exteriorly channeled
perforations are provided in the parts at regis
in said exteriorly channeled portion, a. further
tering places therein when the legs are positioned
as indicated by their interfitting formations in
the top and band, and that thus as so guided
by these pre-fabricated arrangements, the parts
of the stools may be shipped each in bulk, with
a minimum of space occupied thereby and the in
skirt and each leg respectively, said interengaging
portion at the upper end of each leg, a shoul
dered formation on said skirt matingly received
exteriorly channeled portion in said first men
tioned channeled portion, and an inturned flange
at the lower end of said skirt matingly received
in said further exteriorly channeled portion, and
fastener elements extending between said skirt
and said >legs respectively.
dividual stools assembled from the separate parts
3. In a knock-down sheet metal stool embody
as here shown with great accuracy and rapidity,
ing a top and at least three legs, the combina
in any quantity desired.
tion of a band encircling said legs, a depending
To further minimize the number of parts, the 15 skirt on said top spaced substantially above said
stool I0 is shown recessed on its upper surface
band, interengaging formations on said skirt and
as at 3l to a sufficient extent .to receive a non
each leg respectively, said interengaging forma
metallic part as shown at 32 to provide a seat
tions including an exteriorly channeled portion
secured in place by a suitable cement. The part
at the upper end of each leg, a shouldered forma
32 is preferably of a fabric or fabric-like material 20 tion on said skirt matingly received in said eX
and of a layer extending not higher than the
teriorlychanneled portion, a further exteriorly
rounded rim 33 of the stool and thus being
channeled portion in said first mentioned chan
desirably flush therewith ~to avoid danger of acci
neled portion, and an inturned ñange at the lower
dental removal of the part 32.
end of said skirt matingly received in said further
It is to be understood that the invention is 25 exteriorly channeled portion and whereby to pre
not intended to be limited to‘ details of con
determine the respective positions of the parts,
struction shown for purposes of exemplification
screws extending between said skirt and said legs
of the invention and that such changes may be
and between said band and said legs, and nuts on
made therein as fall within the scope of the ap
said screws.
pended claims without departing therefrom.
4. In a stool embodying parts comprising »a
Having thus fully described my invention, what
top and a leg, the combination of a depending
I claim as new and desire to secure by Letters
skirt on said top, means for supporting said top
Patent is:
on said leg by attachment of the upper end of
1. In a. stool embodying a top and at least
the leg to the inside .face of the said skirt includ
three legs, the combination of a depending skirt 35 ing interengaging formations on said parts, said
on said top, interengaging formations on said
interengaging formations comprising a chan
>skirt and each leg respectively, said interengaging
formations including an exteriorly channeled
portion at the upper end of each leg and a
shouldered formation on said skirt matingly re
ceived in said exteriorly channeled portion, and
fastener elements extending between said skirt
and said legs respectively.
neled portion on one of said parts and a shoul
dered formation on the other part received in
said channeled portion by relative lateral move
ment of the parts, and laterally extending fas
tener elements extending between said skirt -and
said leg, whereby the skirt outer face is unin
terrupted by the leg upper end .and the down
ward stresses on said top are taken by said inter
2. In a stool embodying a top and at least
three legs, the combination of a depending skirt 45 engaging formations.
on said top, interengaging formations on said
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