U.S. patent number 3,669,497 [Application Number 05/010,176] was granted by the patent office on 1972-06-13 for chairs.
Invention is credited to Henry Massonnet.
United States Patent |
3,669,497 |
Massonnet |
June 13, 1972 |
CHAIRS
Abstract
A sectionalized chair comprising a stand including two pairs of
legs joined by a cross bar and a unit comprising an integral back
and seat, the cross bar having inclined and divergent rear and
front faces and the lower surface of the seat being provided with
formations for centering the seat relative to and attaching it to
the inclined faces and the lateral or side edges of the seat
fitting between the upper ends of the two pairs of legs.
Inventors: |
Massonnet; Henry (Nurieux, Ain,
FR) |
Family
ID: |
9029223 |
Appl.
No.: |
05/010,176 |
Filed: |
February 10, 1970 |
Foreign Application Priority Data
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|
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Feb 17, 1969 [FR] |
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6903959 |
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Current U.S.
Class: |
297/448.1;
297/248; 248/188; 297/452.14; 297/440.22 |
Current CPC
Class: |
A47C
5/12 (20130101); A47C 3/04 (20130101); A47C
4/03 (20130101); A47C 4/02 (20130101); A47C
1/124 (20130101) |
Current International
Class: |
A47C
1/00 (20060101); A47C 3/04 (20060101); A47C
4/02 (20060101); A47C 5/00 (20060101); A47C
4/00 (20060101); A47C 5/12 (20060101); A47C
1/124 (20060101); A47C 3/00 (20060101); A47c
001/12 () |
Field of
Search: |
;297/454,445,232,458,460
;248/188.1,188,188.8 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Gay; Bobby R.
Assistant Examiner: Moore; Garry
Claims
What is claimed is:
1. A seat comprising:
a. A stand including two pairs of legs and a crossbar having two
ends respectively joined to said pairs to connect same with each
other, with said crossbar having an upwardly concave upper edge,
and with said crossbar including:
a flat central vertical flange defining said arcuate upper edge and
having a substantially straight lower edge;
two intermediate flanges diverging upwardly in V-shape from the
lower edge of said central vertical flange, each intermediate
flange having an upper edge;
and two lateral flanges diverging downwardly each from the upper
edge of one of said intermediate flanges.
b. A resilient seat member having an underside including a central
portion and lateral portions with said lateral portions resting on
the upper edge of said crossbar while said central portion is
spaced therefrom.
c. And means to secure said seat member to said crossbar adjacent
the ends thereof.
2. In a seat as claimed in claim 1, the lateral portions of the
underside of said seat member having downwardly extending
projections to cooperate with said means to secure said seat member
to said crossbar.
Description
This invention relates to chairs and especially to chairs intended
to be used out of doors (gardens, cafe terraces, public places and
similar places).
It is an object of the present invention to make possible the
economic manufacture of a chair from moulded plastics material,
which is able to fulfill any desired requirements.
According to the present invention there is provided a chair of
sectionalized construction comprising a stand including two pairs
of legs joined by a crossbar and a unit including an integral back
and seat capable of being removably attached to the stand, the
crossbar having inclined and downwardly divergent front and rear
faces, and the lower surface of the seat being provided with means
for centering and attaching it to said faces of the cross-bar with
the lateral edges of the seat fitting between the upper ends of the
two pairs of legs on the stand.
Embodiments of the present invention will now be described by way
of example with reference to the accompanying drawings, in
which:
FIG. 1 is an exploded, perspective view of the parts which
constitute the chair according to the invention;
FIG. 2 shows the assembled chair in perspective;
FIG. 3 is a section of the crossbar of the stand on the line
III--III of FIG. 4;
FIG. 4 is a partial plan view of the crossbar of the stand;
FIG. 5 is a partial section on the line V--V of FIG. 4;
FIG. 6 is a longitudinal partial section showing the end of one of
the legs of the chair;
FIG. 7 is a partial cross section of the seat;
FIG. 8 is a vertical section of the assembled chair on the line
VIII--VIII of FIG. 9;
FIG. 9 is a plan view of the chair;
FIG. 10 is a cross section of the mounted seat on the line X--X of
FIG. 11;
FIG. 11 illustrates the detail of the assembly of the seat and
stand;
FIG. 12 is a partial section on the line XII--XII of FIG. 8;
FIG. 13 shows in cross section the detail of the assembly of two
chairs placed side-by-side;
FIG. 14 shows a row of chairs placed side-by-side by means of the
assembly shown in FIG. 13;
FIG. 15 illustrates the method of stacking the chairs;
FIG. 16 shows a variation of the chair according to the
invention.
The sectionalized chair of FIGS. 1 and 2 comprises essentially a
stand A, and a unit or shell B of unitary construction.
The stand A is constituted by a crossbar 1 which has in cross
section a W-shaped profile open at the bottom (FIG. 3). This
crossbar 1 is reinforced by a partition 2 (FIG. 3) arranged along
its longitudinal axis of symmetry and directed upwards. Each of the
ends of the crossbar 1 is closed by an outer vertical wall 1a to
which there are connected two diverging, obliquely-directed hollow
legs 3 which are symmetrical in relation to the vertical axis of
the crossbar 1. The upper edges 4 and 5 of the crossbar are
rounded, as will be explained, in such a way, and as shown clearly
in FIG. 4, that the width of each of them is not constant; it
increases considerably from the vicinity of the beginning of the
legs to midway of the crossbar.
Near to its ends, the crossbar 1 has on each of its outer inclined
or oblique faces two oblong openings 6 and 7 which are suitably
reinforced by rigs 8 and 9 and 10 and 11 respectively. As shown in
FIG. 3 the upper part of the openings 6 and 7 are joined to the
upper edges 4 and 5 of the crossbar by ramps 6a and 7a, the
function of which will be described hereafter. The opening of the
legs 3 at the level of the crossbar 1 defines two rectangular
openings 3a, 3b (FIG. 4) which are preferably closed by a cover 12
(FIG. 5). It will be noted that the partition 2 extends beyond each
wall 1a as far as an outer wall 1b which joins the outer faces of
the legs 3.
A transverse partition 3c (FIG. 6) is arranged inside each of the
legs 3 and set back slightly from its lower end. A stopper 13,
preferably of rubber is engaged inside the foot in such a way that
its head 13a abuts against the outer flange of the latter whereas
the end 13b of its body co-operates with an opening provided in the
partition 3c.
The seat 14 of the shell B is appropriately curved, it is
surrounded by a perpendicular rim 14a (FIG. 8) in which two
cut-outs 14b and 14c (FIGS. 1 and 2) are provided approximately
opposite the transverse axis of the seat. These cut-outs are
jointed by transverse ribs 15, 16 respectively (FIG. 7) directly
obliquely so as to be able to co-operate with the outer faces of
the crossbar, 1. A third rib 17 (FIG. 8) is arranged parallel to
the rib 16, between the latter and the outer rim 14a of the seat
14.
The ribs 15 and 16 are connected in the vicinity of their ends by
other perpendicular ribs 18 and 19 (FIG. 10). Each of these ribs 15
and 16 comprises, in addition, two hooks, 20 and 21, respectively,
intended to snap into the openings 6 and 7 of the crossbar 1 (FIGS.
3, 7, and 11).
It will be understood that this assembly makes it possible to
connect the unit or shell B with the stand A. The aforesaid
snap-action is facilitated by the ramps 6a and 7a of the crossbar
1. When the seat 14 is in the rest position, the ribs 18 and 19 are
not in contact with the upper edges 4 and 5 of the crossbar 1 (FIG.
10). In this manner, when a person sits down, they have the
impression of comfort due to the contact with a resilient or supply
surface. The displacement of the latter thus corresponds to the
space between the lower edges of the ribs 18 and 19 and the edges 4
and 5 of the crossbar 1 and then when the latter abut against each
other, the central part of the seat surface 14 can still be
deformed resiliently downwards.
The back comprises a part 22 which at the level of its connection
to the seat 14 has an opening 22a of substantially rectangular
shape. The part 22 is surrounded by a rim 22b which is integral
with the rim 14a of the seat 14. The part 22 is curved in order to
correspond roughly to the shape of the back of the user (FIG. 12).
In order that the latter does not rest against a rigid,
uncomfortable surface, the cross section of the part 22 has a shape
which becomes thinner starting at the edges in towards the center
so as to have a certain pliability.
The lower edge of one of the two outer sides 1b of the stand A can
comprise a hook 1c directed upwards and intended to co-operate with
the lower edge of the corresponding side of another seat, in such a
way as to allow the arrangement of rows, all the parts of which are
held in place one in relation to the other (FIGS. 13 and 14).
The general shape of the chair has been designed such that the top
of the back is in a vertical plane slightly displaced towards the
outside in relation to that which is tangential to the extreme part
of the two rear legs (FIG. 8) in such a manner that the back cannot
be in contact with a wall.
The shape of the stand A, as well as the symmetrical arrangement of
the front and rear legs and the shape of the shell, the seat of
which has a width slightly less than that of the crossbar of the
stand A facilitates the stacking of chairs in the manner
illustrated in FIG. 15.
It can easily be seen that since the chair is inclined at its back
(FIG. 8), rain water runs on to the latter and drains off onto the
ground through the opening 22a of the back.
Moreover, it should be understood that the preceding description
has only been given as an example and that it in no way limits the
scope of the claimed invention. For example, the covers 12 can be
replaced by arm-rests 23 (FIG. 16), the lower part of which would
engage in the perforations 3a, 3b of the stand A, thus making it
possible to produce a small armchair from the above-described
chair.
* * * * *