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Патент USA US3086837

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April 23, 1963
v. PANTON
3,086,818
CHAIR
Filed Feb. 2, 1960
/N|/EN r02
VEENEE ELM/70M
WW
3,086,818
United States Patent
Patented Apr. 23, 1963
2
1
will therefore possess su?icient rigidity and strength for
mounting on a single central point located at the ?oor
3,086,818
CHAIR
'base.
Verner Panton, Christiansgade 36,
Rungsted Kyst, Denmark
By removing the base and the seat of the chairs and
telescoping the conical bodies it is possible to pile a large
Filed Feb. 2, 1960, Ser. No. 6,239
number of chair frames within a very limited space.
A chair frame consisting of an inverted cone or pyra~
mid is of ideal form with a view to its use together with
Ciaims priority, application Denmark, Feb. 11, 1959
8 Claims. (Cl. 297—349)
other chairs arranged close to it, since the sitting persons
The essential element of a chair is a substantially hori
zontal plate, which constimtes the seat, and, for ex
ample, a back attached to the seat. Since the seat for
several reasons should be disposed at a suitable level
above the ?oor it is also necessary to use supporting
10
actually keep their legs in inclined position, substantially
following the conical surface without being inconvenienced
by the supporting members of the chair.
A chair according to the invention is eminently suitable
as a swivel chair and, if so, it is designed according to the
the supporting members and, incidentally, the seat and, 15 invention in such manner that the base has a central,
members to keep the seat in the desired level. Usually,
if necessary the back too, are formed with a view to pro
vide a comfortable chair of attractive appearance, and in
that case the supporting members may be designed as
vertically upward projecting pivot or pin around which is
provided a rotatable sleeve attached to the pointed end of
the cone or pyramid.
In a suitable embodiment of the chair according to the
three or four legs placed at substantial distance from
each other.
20 invention the chair may have a back consisting of an ex
tended part of the surface of the cone or pyramid.
If there is ample space around the chair, its legs rarely
Such a chair, which practically “grows” from a point
cause any inconvenience to the user, but for certain uses
of the ?oor base and widens upwardly to dimensions
it will be desirable if the space between the seat and the
adapted to ?t the human body, will occupy less space
base was substantially free. This applies, for example, if
a number of chairs are to be arranged close to each other 25 than any form of chair known so far, and the supporting
members of the chair will not only follow the lines of
since, as is known, the rear legs of the chair in that case
persons placed near the chair but also the back of the
may cause much inconvenience to the person sitting in a
chair will substantially follow the lines of a person sitting
chair placed closed behind and such person will often be
in a reclined position behind so that the chairs may be
prevented from placing his legs beneath his own chair by
the front legs of same.
30 arranged very close to each other.
An embodiment of a chair according to the invention
‘In the said cases the ideal solution would be a chair
_ will now be described with reference to the drawing, in
consisting of a seat mounted at the upper end of a central
which—
vertical bar the lower part of which was attached to a
FIGURE 1 is a perspective view of the chair,
perfectly flat foot or base. Such a chair can very well be
FIGURE 2 is a section of the chair, viewed from the
made and has been made, more particularly in the form
side, and
of chairs with variable seat level in which the central pin
FIGURE 3 is a section through the lower part of the
is provided with a screwthread. In practice, the dimen
chair, viewed on an enlarged scale.
sions of such a chair will, however, be inconveniently
The chair consists of a base 1 made of two crossed steel
large, and the feet used have therefore usually been pro
vided with inclining sti?'eners to absorb the heavy load 40 rails to whose intersection point is welded a vertically
disposed pivot or pin 2 having a shoulder 3‘ and a part 4
carried by the base, the bar and its connection with the
above the shoulder of slightly smaller diameter. The
seat of such a chair.
last mentioned part is provided with a circular groove 5.
Such a cross of inclined stiffeners supported on the
The base 1 carries a rotatable frame 6 consisting of a
base and e.g. beneath the seat too will, however, ?ll out the
space between the seat and the ?oor base so that the 45 thin steel plate formed as a conical surface and cut off
obliquely so that the upper part of the conical surface
chair will not be appreciably better in the said respect
constitutes a back 7, whereas the lower part of the oblique
than a chair with four legs.
cutting forms an opening in which a seat 8 may be
Chairs with a central bar of heavy dimensions and with
mounted. The seat rests on a number of brackets 9
supporting cross are only convenient for working pur
poses: they are are heavy and costly to manufacture and 50 welded to the inner wall of the frame 6.
A transverse plate 10» is attached by welding near the
unsuitable for piling, a requirement often to be met in
pointed end of the conical surface, and the said plate has
view of storing and forwarding.
a hole opposite which is attached a sleeve 11 the other
‘It is the object of the invention to provide a chair of a
end of which is welded to the conical surface.
design having a maximum of free space between its seat
As will be evident from FIGURE 3, the pin 2 is re
and ?oor base and which can be manufactured at a com 55
ceived by the sleeve 11, and the plate 10 rests against
paratively low cost, simultaneously with the chair being
the shoulder 3 which carries the load of the chair. The
of attractive appearance, and low weight and is suitable
for piling.
An essential feature of the chair according to the inven
tion is that it consists of a ?at base or foot slightly raised
above the ?oor and having a hollow conical or pyramidal
body which is placed with its pointed end downwards on
the base, cooperating means provided on the base and in
the pointed part of the said body to retain same to the
base, .and a seat placed on the open end of the conical or
frame 6 may be attached to the base by means of a lock
ing ring inserted in the groove 5.
As will appear from FIGURE 2, the cone is arranged
in a somewhat slanting position so that its central axis
forms an angle with a vertical axis, and the said slanting
position can be determined in accordance with the uses
of the chair, since in some cases it is desirable that the
65 chair heels rearwardly and in other cases forwardly.
pyramidal body.
Usually, however, the arrangement shown in FIGURE 2
It is a matter of fact that a plate which is bent to form
a conical surface is of a very substantial strength and
forward will be found preferable since this will provide
in which the central axis of the cone extends obliquely
more stability to the chair when the user leans against
rigidity far superior to that of a design consisting of 70 its back 7.
bars and sti?eners of the same material and weight. A
When the chair is to be forwarded and stored, the base
chair according to the invention and of very light design
1 may easily be removed from the frame 6, after which a
3,086,818
3
4
large number of frames may be piled telescope fashion
and contacting said sides for stabilizing said chair, said
on removing the seats 8, and a large number of chairs
may thus be stored in a con?ned space. The base 1 may
?rst and second support means receiving said pin to main
be omitted and the pin 2 be ?xed directly in the ?oor.
The metal plate forming the conical surface may be
covered with textile on its entire outer side and on the
sole support of said chair.
2. The chair of claim 1, wherein said ?rst means com
prises a sleeve integral with said body and journaled to
inner side of the back 7 and an upholstering of foam rub
said pin.
tain said chair in an upright position, said pin being the
:3. The chair of claim 1, having a ‘back consisting of
ber may be used as indicated at 12 in FIGURE 2.
an extended side of said body.
Instead of a metal plate it is also possible to use e.g.
4. The chair of claim 1, having projecting members
a grid of steel bars which form a conical surface or a 10
protruding inwardly from the sides of the body, a remov
pyramidal surface. It is further possible to use a metal
able seat positioned upon said members.
; 5. The chair of claim 1, wherein the vertical axis of
said body extends at an angle to the axis of the pin.
crease in rigidity or strength.
6. The chair as set forth in claim 1, wherein the inter
It will be obvious from the drawing that the chair may 15
nal diameter of said end is substantially similar to the
consist of very few‘ and simple components so that its cost
diameter of said pin.
of manufacture is low, vand it is also obvious from the
7. The chair as set forth in claim 1, wherein said ?rst
drawing that the chair occupies very little space and con
means comprises a sleeve integral with said body and
sequently is eminently suitable at places where minimum
journaled to said pin, said sides being extended to form
requirements of space are an important consideration.
a back for said chair, said second means comprising a
Simultaneously with o?ering these great advantages the
plate member receiving said pin.
chair may constitute a very attractive piece of furniture
8. The chair as set forth in claim 7, wherein the verti
having a style and comfort far superior to that of other
cal axis of said body extends at an angle to the axis of
steel furniture, more particularly o?ice and working
chairs, and it will therefore be very suitable at places 25 said pin and a removable seat is held within said body.
where esthetic factors are an important consideration such
References Cited in the ?le of this patent
as in restaurants, reception rooms, theatres and cinemas,‘
plate with a plurality of perforations which may serve to
reduce the Weight without involving any appreciable de
UNITED STATES, PATENTS
means of transport etc.
What I claim and desire to secure by Letters Patent is:
1. A chair comprising a substantially flat base having 30
an upwardly projecting pin, a seat holding hollow body
Re. 24,569
Thaden _____________ __ Nov. 18, 1958
1,918,190
Miller et a1 ________ --_.-- July 11, 1933
1,967,016
2,307,897
2,905,229
Weidman ___________ __ July 17, 1934
Overholzer __________ .._ Jan. 12, 1943
Adams ______________ __ Sept. 22, 1959'
positioned proximate to said pointed end, second vertical
2,920,685 ’
Trebilcock g-..‘ _______ __ Jan. 12, 1960
support means above said end and said ?rst support means
2,967,565
Schultz __'~___________ __ Jan. 10, 1961
having sides tapering downwardly and inwardly forming
a substantially pointed end, ?rst lateral support means
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