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Патент USA US3086234

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April 23, 1963
A. LAYTON
3,086,224
CONVERTIBLE ARTICLE OF FURNITURE
' Filed Feb. 15, 1961
2 Sheets-Sheet 1
FIG. l.
M
FIG. 4.
INVENTOR.
LAYTON
April 23-, 1963
A. LAYTON
'
'
3,086,224
CONVERTIBLE ARTICLE OF FURNITURE
FIG.7.
4%
INVENTOR.
All E/V
LAYTO/V
a‘fmvbép
?TTORNEYS
United States Patent Office
1
3,086,224
Patented Apr. 273, 1963
2
with the bed frame removed and with portions broken
away to reveal inneristructure;
FIG. 3 is a partial front elevational view showing the
chair arms in their upright positions and the front scissor
3,086,224
CONVERTIBLE ARTICLE OF FURNITURE
Allen Layton, 2087 Baylis Ave., Elmont, N.Y.
Filed Feb. 13, 1961, Ser. No. 88,717
8 Claims. (Cl. 5-52)
linkage connected therebetween;
FIG. 4 is a partial front elevational view similar to
3, but showing the chair arms in their extended
This invention relates to convertible articles of furni
positions;
ture, and in particular to an upholstered chair incorpo
FIG. 5 is an enlarged sectional view through the center
rating a foldable frame serving as the seat portion in
folded condition, and as a bed in unfolded condition.
10 of the scissor linkage as taken along line 5—5 of FIG. 3;
FIG. 6 is a vertical sectional view of a modi?ed form
The popularity of sofas which are convertible into
of the invention employing a foot actuated means for
beds is well known, such articles of furniture being useful
pivoting the arms of the chair; and
where economy of room space is an important considera
FIG. 7 is a vertical sectional view similar to FIG. 6
tion. More recently, it has been proposed to provide
upholstered arm chairs which contain folded bed frames, 15 illustrating the chair with arms pivoted to an open
position.
,
‘
the latter being extensible to provide beds when required.
Referring in detail to the drawings, and with initial
Such convertible sofa beds are particularly desirable for
attention directed to FIGS. 1 through 5, there is shown
even greater economy in room space, it being appreci
a sofa-chair 10 made in accordance with the invention
ated that in one-room living quarters, a pair of arm
chairs are normally required as part of living room decor. 20 and including a support frame 12 mounted on legs 24.
The frame 12 is of open rectangular shape, and comprises
Both arm chairs can then be converted to provide a pair
side walls 20 and front and rear walls 22‘. The back
of separate beds.
rest 16 is formed integrally with the frame 12, being
The commercial acceptance of sofa beds has been
rigidly and immovably mounted on the frame rear wall.
seriously hampered by the inherent con?ict between chair
styling requirements and the physical size requirements 25 The chair also includes a foldable spring frame, indi
cated generally by the reference numeral 14, which is of
for beds. That is to say, the over-all width of a chair
such conventional and well-known construction that it
is limited by esthetic and styling considerations, while
is not illustrated in detail. The spring frame 14 is
a bed must be of sul?cient width to properly support the
mounted at its rear end on the chair frame 12 and may
occupant. In a sofa-bed, where the longitudinally-folded
bed frame serves as the seat for the chair, the bed frame 30 be folded up upon itself to ?t within the interior of the
hollow support frame 12 in the mannerishown in FIG.
is conventionally located between the upholstered chair
1, in which condition it serves as the seat for the chair.
arms, with the result that the over-all width of the chair
Thespring frame 14 may also be unfolded so that it
is the sum of the bed frame Width and the widths of the
extendshorizontally forwardly from the back-rest 16,
folded arms. Since the bed frame must be of a minimum
width which is substantially equal to the normal width 35 in the usualmanner. In the latter condition, the frame
of a chair, the chair bed is then required to be of an
14 supports a mattress and serves as the bed portion of
unduly great width ‘which is unsightly and cumbersome.
the chair.
The chair 10 also includes a pair of upholstered arms
It is an object of the present invention to provide a
18a and 18b as is conventional in standard easy-chair
chair bed which overcomes the aforementioned disad
vantagev by including a bed frame of normal bed width 40 design. The arms 18a, 1812 are not, however, formed
rigidly with the chair frame in the usual manner, but are
within a chair frame of standard over-all width. This
instead pivotally mounted on the chair frame 12 for
is accomplished by constructing the chair arms in such
lateral movement outwardly thereof. For this purpose,
a manner that they overlap the folded bed frame in the
respective metal plates 48a and 48b are rigidly ai?xed to
sitting position of the chair. The chair arms are pivotally
mounted so that they may be swung outwardly to clear 45 the lower front and rear surfaces of each arm 18a and
18b, as by screws or nails 50. A pivot pin 30 is rigidly
the bed frame and enable the latter to be enfolded and
a?ixed to or formed integrally with the outer face of
extended when it is desired to use the article of furniture
each plate 48d and 48b, each of the pivot pins 30 being
as a bed.
journalled in the support frame 12 of the chair, as shown
Another object of the invention is the provision of a
chair-bed construction of the character described in which
an effective, yet simple, linkage mechanism is employed
to produce simultaneous pivoting movement of the chair
arms, resulting in economy of manufacture and durability
in FIG. 2. The pivot pins 30 are aligned on each arm
18m and I18b, with the result that each said arm is pivot
ally mounted at its front and rear ends on the chair frame
for swinging movement about a horizontal axis outwardly
of the chair frame. Such mounting is optional, it being
1n use.
r
A further object of the invention is the provision of 55 evident that the same pivoting movement of the arms can
be accomplished by utilizing conventional hinges to
a chair-bed construction of the character described in
mount the lower side edges of the arms on the support
which friction means may be easily incorporated to re
frame 12.
tain the chair arms adjustably in their various pivoted
The pivoting movement of the arms 18a and 18b is
positions.
‘ Additional objects and advantages of the invention
will become apparent during the course of the following
speci?cation when taken in connection with the accom
panying drawings, in which:
60
illustrated in FIG. 1, wherein the normal upright posi
tion of the arms is indicated in full line, and the re
tracted or outwardly-pivoted position of said arms is in
dicated in broken line. In the retracted position, the
arms are moved to a location where they are clear of
FIG. 1 is a front elevational view of a convertible 65 the spring frame 14, and the latter can be unfolded to
chair made in accordance with'the invention and shown
in full line in the sitting position, with portions thereof
its extended position, as will be presently described.
It will be appreciated that the spring frame 14 must be
broken ‘away and shown in section to reveal internal
construction and with the arms and bed frame shown in
of sufficient width to serve as a bed when the frame is
tions, respectively;
constructed that the arms thereof extended outwardly
from the sides of the spring frame, the over-all Width of
unfolded, such width being substantially greater than the
broken line in their'extended and partially unfolded posi 70 width of a standard chair seat. If the chair were so
FIG. 2 is a front perspective view showing the chair
3,086,224
3
the chair would be unduly great, and the chair would be
unsightly and would not conform to the esthetic stand
ards of modern furniture. To provide a solution for this
problem, the arms 18a and 18b are so constructed that
they over-lap the spring frame 14 in their upright posi
tion.
Each arm 18 has a lower main body portion 19 and a
4
left-hand direction, while pivot 46a pushes link 36 in a)
right-hand direction. A reverse movement is thus pro-'
duced in the other arm 18b upper pivot 52b being'pushed;
in a right-hand direction and lower pivot 46b being pulled
in a left-hand direction to turn the arm 18b in a clock-f
wise direction about its pivotal mount 30. It will thus
be apparent that any movement of either arm 18a or 18b
results in an equal but opposite movement of the other
Wide upper arm-rest portion 21 which projects inwardly
arm.
over the top side edges of the spring frame 14. The upper
arm-rest portion 21 forms with the main body portion.19 10
In order to retain the arms in their various pivoted
a shoulder 32 which overlaps the side edge of the spring
positions, friction means are provided at the crossing cen
tral portions of the scissor linkages 34a and 34b. Such
frame 14. The over-all width of the chair is thus de
creased by the combined lengths of the shoulders 32 in
friction means may take the form of a resilient washer 58
both arms 18a and 18b. In addition to decreasing the
which is preferably made of leather, and which is mounted
width of the chair, this overlapping construction also 15 on the pivot pin 40 and located between the links 36 and
serves to cover over the angle irons which form the sides
of the bed frame 14 so that in the sitting position, these
angle irons do not form a part of the available seating
surface.
The forward end of the bed-frame 14 is covered by a 20
face board 26 of generally trapezoidal shape. The board
26 is preferably upholstered, and serves to conceal the
folded bed frame 14 in the sitting position. The front
38. The pivot pin 40 is in the form of a screw as shown
in FIG. 5, which adjustably receives a nut 54. Metal
washers 56 are also mounted on the pivot pin 40, these
washers 56 being located at the outer surfaces of the re
spective links 36 and 38. By tightening the nut 54, the
leather washer 58 is compressed between the links 36
and 38 and applies frictional pressure upon said links to
retain them in their various pivoted positions.
walls of the arms 18a and 18b are shaped to ?t snugly
When the arms 18a and 1312 are pivoted outwardly
against the edges of the board 26, as shown at 23 in
from their upright positions of FIG. 3 to their extended
positions of FIG. 4, the central pin 40 in effect slides to
FIGS. 1 and 2.
Pivoting movement of the arms 18a and 18b is co
ordinated by a pair of scissor linkages 34a and 3412 located
the left in slot 42 and to the right in slot 44. A friction
force is introduced by the leather Washer 58 which utilizes
the relative sliding motion of ‘the links 36, 38 relative
at the front and rear of said arms. Both scissor linkages
34a and 3412 are of identical construction and each com 30 to the pin 40, thereby frictionally retaining the arms
prises a pair of crossed links 36 and 38 slidably and turn
ably coupled at their center portions. For this purpose
the links 36 and 38 have respective elongated longitudinal
18a and 18b in their extended positions.
Referring now to the embodiment of the invention
shown in FIGS. 6 and 7, there is shown an article of
furniture or chair 110 including a support frame 112
slots 42 and 44 which register with each other and re
ceive a pivot pin 40 sized to slide within both slots.
35 mounted on legs 124. The frame 112 is of an open rec
Each link 36 and 38 is connected at opposite ends to
both of the arms. Speci?cally, it will be seen in FIGS. 3
and 4 that the link 36 is connected at one end by pivot
46a to the plate 48a of arm 18a, and at its other end
is connected by pivot 52b to the plate 48b of arm 18b. 40
Similarly, the link 38 is connected to the plates 48a and
48b by respective pivots 46b and 52a. ‘On each arm,
the pivots 46a, 52a and the pivots 46b, 5211 are identically
tangular shape. The article of furniture 110 includes a
back rest 113, and a foldable spring frame 115.
The chair 110 includes a pair of upholstered arms 118a
and 11% which are hingedly connected by hinges 130a
and 1311b to the support frame 112. Metal plates 129a
and 12% are used for mounting the pivot pins for the
linkage 134.
The ‘arms 118a and 118b have lower main body por
tions 119a and 119!) and wide upper arm-rest portions
angularly disposed with relation to each other. The 45 121a and 121b which project inwardly over the top side
pivots 46a and 52a are respectively located below and
edges of the spring frame 115. The upper arm-rest por
above the pivotal mount 30 of arm 18a on the support
tions 121a and 121b form with the main body portions
frame 12, While the pivots 46b and 52b are respectively
119a and 11912 shoulders 132 which overlap the side edges
located below and above the pivotal mount 30 of arm 18b.
of the spring frame 115. The overall width of the chair
In use of the article of funiture 10 as a chair, the top 50 is decreased by the total width of shoulders 132 and the
surface of the bed-frame 14 is covered by a removable
shoulders 132 serve the purpose of concealing the sides
of the spring frame.
cushion or seat-pad (not shown) which serves as the
seating surface. When it is desired to convert the article
Pivoting movement of the arms 118a and 11812 is co
of furniture to a bed, the seat-pad is removed, and the
ordinated by the pair of scissor linkages 134 located
bed frame 14 is lifted and unfolded. Obviously, it is 55 at the front and rear of the arms 118a and 118b. Both
impossible to lift and unfold the bed frame While the
scissor linkages are of identical construction. Each
same is overlapped by the arm upper portions 21. The
scissor linkage 134 comprises a pair of crossed links 136
and 138.
arms 18a and 18b are therefore pivoted outwardly so
that they no longer overlap the bed frame but rather are
Each link 136 and ‘138 is connected at opposite ends
clear of the latter. The bed-frame 14 may then be tilted 60 to both of the arms 118a and 118b. The link 136 is
or lifted upwardly in the usual manner to the position
connected at one end by pivot 14611 to plate 129a and at.
shown at 28 in FIG. 1, and the hinged bed-frame sec
its other end is connected by pivot 15212 to plate 129]).
tions unfolded forwardly of the chair.
The link 138 is connected to arm plates 129a and 12%
The operation of the scissor linkages 34a and 34b in
by pivots 152a and 14Gb respectively. The pivots 146a,.
the pivoting of arms 18a and 18b can be readily seen 65 152a and pivots 146b, 15217 are identically spaced from
spaced from each other, so that the links 36 and 38 are
in FIGS. 3 and 4.
To cause both arms to pivot simul
each other so that links 136 and 138 are angularly dis~
taneously, it is only necessary for the user to pull out
posed with relation to each other. The pivots 146a
wardly upon one of the arms. This arm thus begins to
and 152a are respectively located below and above the
turn about its pivot 30 on the chair frame 12, actuating
hinge 130a while the pivots 14Gb and 152b are respec
the scissor linkages 34a and 34b at the front and rear of 70 tively located below and above the hinge 13012.
the chair, and causing the other arm to pivot outwardly
When it is desired to convert the article of furniture
by a corresponding distance. Assuming that the arm
to a bed, it is impossible to unfold the spring frame
18a is manually pivoted outwardly, the pivots 46a and
until the arms 118a and 11% are pivoted outwardly so
5211 are turned in a counter-clockwise direction about
that the upper arm portions 121a and 121b no longer
the pivotal mount 30. Thus, pivot 52a pulls link 38 in a 75 overhang the spring frame 115.
‘3,086,224
5
pivotally mounting .each arm on the lower portions of
said bed frame'for pivotal movement between an upright
position and an extended, outwardly-inclined position, the
upper portion of said arms overlapping the upper side
160 to the link 136 is one end of a cross bar 162 which
extends substantially‘ horizontally between upper por UK portions of the bed frame in their upright positions and
being out of vertical alignment with the bed frame in
tions of the angularly extending links 136 and 138. The
their extended positions whereby to provide clearance
other end of the cross bar 162 is provided with an en
for unfolding of the bed frame, the lower portion of
larged portion 164>having a substantially L-shaped slot
said arms being adapted to move inwardly and under
166 therein. The slot 166 includes a substantially vertical
In lieu of the friction means used to retain arms 18a
and 18b in their various positions, a spring pressed
linkage is employed. Pivoted by the means of a pin
slot portion 168 and a substantially horizontal slot por- ‘
tion 170. Fixed to the link 138 is a pin 172 'which rides
in the slot 166. The pin 172 may by provided with a
head for retention of the pin 172 in the slot 166.
said seat portion, and’ means at the front and rear of said
support coupling said arms for simultaneous and co
ordinated movement thereof, said coupling means com
prising a scissor linkage including a pair of crossed links,
each of said links being pivotally connected at its op
A pin 174 is provided for pivotally connecting an
actuating member ‘176 to the frame 112. The actuating 15 posite ends to the respective arms above and below the
pivotal mounts of said arms.
member includes a substantially horizontally extending
2. An article of furniture including a support and
arm 178 which underlies the enlarged portion 164 of the
a folding bed frame mounted on said support, a pair
cross bar 162, an angularly downwardly extending por
of arms located on opposite sides of said bed frame,
By means of
pin 184 secured to the,portion 180‘ and pin 186 secured 20 means pivotally mounting each arm . on the lower
portion of said bed frame for pivotal movement between
to the frame 112, a tension spring 188 is connected to
an upright position ‘and an extended, outwardly-inclined
urge the actuating member to a position where the arm
position, the upper portion of said arms overlapping the
178 is below the enlarged portion 164 of the cross
upper side portions of the bed frame in their upright posi~
bar 162.
With the linkage in the position as shown in FIG. 6, 25 tions and being out of vertical alignment with the bed
frame in their extended positions whereby to provide
positive means are provided to prevent pivoting of the
clearance ‘for unfolding of the bed frame, the lower
arms 118a and 118b about their hinges 130a and 1311b.
portion of said arms being adapted to move inwardly
The pin 172 in vertical slot portion 168 prevents pivoting
and under said seat portion, and means at the front
of the links 136 and 138 and locks the scissor linkage
30 and rear of said support coupling said arms for simultane
134 against movement.
tion 180 and a foot pedal portion 182.
In order to release the pin 172 from the vertical slot
portion 168, the actuating member 176 is pivoted by
depressing the foot pedal 182. This pivots the arm
178 into engagement with the enlarged portion 164 of
ous and coordinated movement thereof, said coupling
means comprising a scissor linkage including a pair of
crossed links, each of said links being pivotally con
nected at one end to one of said arms at the lower ends
the crossbar 162 raising the enlarged portion 164 of the 35 thereof above the pivotal mount thereof and to the other
arm below the pivotal mount thereof, and slide means
crossbar 1'62 and raising the slot 166 so that the pin 172 is
connecting the central portions of said links.
in alignment with the horizontal slot portion 170. Then,
3. An article of furniture according to claim 2 in which
the arms 118a and 11811 can be pivoted about their
said slide means comprises a longitudinal slot at the
hinges 130a and 13Gb with the pin riding in the horizontal
center of each link, and a pivot pin extending slidably
slot portion 170. Of course, the spring 188 will raise
through both slots.
the foot pedal maintaining it in a concealed position after
4. An article of furniture according to claim 3 in
the arms 118a and 11% have been pivoted to the posi
tion shown in FIG. 7 .
which said slide means also includes a friction element
It is noted that the foot pedal 182 is conveniently
carried by said pivot pin and located between said links
pressed, the arm 118a is grasped and pulled outwardly
justing the tension of said friction element against said
located so as to be visually concealed yet it may be 45 to retard the movement between said links.
5. An article of furniture according to claim 4 in
readily engaged by operator’s foot standing alongside
which said pivot pin also includes screw means for ad
arm 118a. As soon as the foot pedal 182 has been de
links.
to the position of FIG. 7 at which time the spring frame
6. In an article of furniture including a support and
115 can be outwardly unfolded clearing shoulders 132a 50
a folding bed frame mounted on said support, a pair of
and 13212 which have been moved from their overhanging
arms located on opposite sides of said bed frame, means
position. The arms 118a and 11812 may be easily -re
pivotally mounting each arm on the lower portion of said
stored to the position of FIG. 6 by pressing inwardly
bed frame for pivotal movement between an upright posi
on the arms 118a or 118b.
The linkage including cross bar 162 and pedal 182 55 tion and an extended, outwardly-inclined position, the
upper portion of said arms overlapping the upper side
thus provides positive means for preventing accidental
portions of the bed frame in their upright positions and be
pivoting of the arms 118a and 118b.
ing out of vertical alignment with the bed frame in their
It will be appreciated that the structure described above
extended positions whereby to provide clearance for un
permits the article of furniture to be constructed with an
over-all width no greater than standard chair width, and 60 folding of the bed frame, the lower portion of said arms
being adapted to move inwardly and under said seat
yet to contain a folding frame of su?icient width to
portion, means at the ‘front and rear of said support
serve as a bed. Because the arm construction is such
coupling said arms for simultaneous and coordinated
that arm-rest projections thereof extend inwardly over
movement thereof, said coupling means comprising a
the lateral con?nes of the seat portion, the over-all width
of the chair is less than the combined widths of the arms 65 scissor linkage including a pair of crossed links, each of
said links being pivotally connected at its opposite ends
and the seat.
to the respective arms at the lower ends thereof and
While a preferred embodiment of the invention has
means for locking said scissor linkage against accidental
been shown and described herein, it is obvious that
pivoting of said arms.
numerous additions, changes and additions may be made
in such embodiment without departing from the spirit 70 7. In an article of furniture according to claim 6, said
locking means including a cross bar pivoted to one of said
and scope of the invention.
links, said cross bar having a L-shaped slot therein,
What I claim is:
said L-shaped slot including a vertical slot portion and
1. In an article of furniture including a support and a
a horizontal slot portion a pin on the other of said
folding bed frame mounted on said support, a pair of
75 links engaged in said slot, and pedal means below one of
arms located on opposite sides of said bed frame, means
3,086,224
7
said arms and enagageable with said cross bar for
releasing said pin from said vertical slot portion to
permit pivoting of said arms.
8. In an article of furniture according to claim 2, means
connected to said linkage means for preventing turning 5
movement of said arms inwardly of said seat portion.
8
1,799,029
2,291,377
2,647,563
2,798,231
2,999,250
Bebry et al _____________ __ July 9, 1957
Rea _________________ __ Sept. 12, 19611
391,583
Great Britain __________ __ May 4, 1933
UNITED STATES PATENTS
Hutton _______________ __ Nov. 21, 1882 10
Bishop et a1 ____________ __ Aug. 4, 1953
FOREIGN PATENTS
References Cited in the ?le of this patent
267,893
Smith ____ _; _________ __ Mar. 31, 1931
Clark _,__ ______________ __ July 28, 1942
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