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1
Sept 30, 1947-
B. P. INFANTINO
I
'
2,428,314
ADJUSTABLE FOLDING CHAIR-
'
Filed Oct. 20, 1944
5191.
'
'
Patented Sept. 30, 1947
2,428,314
UNITED STATES PATENT OFFlCE
2,428,314
ADJUSTABLE FOLDING CHAIR
Benjamin P. Infantino, Corona,
Long Island, N. Y.
Application October 20, 1944, Serial No. 559,569
l
3 Claims. (01.155-117)
This invention relates to folding chairs, and
has for one of its objects the production of a
simple and e?‘lcient chair which is so constructed
as to support the seat and back rest in a plurality
of adjusted positions.
A further object of this invention is the pro
duction of a simple and ei‘?cient assembly of parts
of the chair which may be so adjusted as to sup
2
of the arm rests it. A transversely extending
seat-supporting rod 24 is secured at its opposite
ends to the side rails 2I of the back rest 22 and
the lower edges of the side rails Iiia of the seat
Ill slidably engage this seat-supporting rod 24,
see Figure 4. A transversely extending dowel rod
25 connects the lower ends of the rails 2| below
the rod 2d. The ends 26 of the rod 25 project lat
erally of the ends of the rails 2i. The lower end
port the seat at selected heights without changing
the angle or incline-position of the back rest, un 10 of each rail 2! is off-set inwardly so as to permit
less it is desired to change the position of the
the ends 26 of the rod 25 to ?t into selected
notches I5 of the legs l2. The construction of the
back rest.
'
Other objects and advantages of this invention
lower end. of one of the rails 2| is illustrated in
will appear throughout the following speci?cation
detail in Figure 4. The legs, seat and back rest,
15 are suitably braced transversely in the conven
and claims.
In the drawing-
.
Figure 1 is a side elevational view of the chair
in one selected position;
tional manner, as shown.
‘
A foot or leg rest 21 is slidably mounted under
neath the seat Ill and is adapted to slide between
Figure 2 is a top plan view, certain parts being
the side rails Illa. ~ Supporting legs 28' support
broken away;
20 the forward end of the foot or leg rest, as shown
Figure 3 is a vertical sectional view taken on
in Figure 1. Transverse panels 29 secured to
line 3—3 of Figure 1;
the bottom edges of the side rails iii21 of the seat
Figure 4 is a detail vertical sectional View
ll] provide supports for the inner end of the foot
taken on line £l--¢l of Figure 1;
or leg rest 21.
‘
Figure 5 is a detail vertical sectional view taken 25
The operation of the chair is as follows:
on line i3—5 of Figure 1;
When the arm braces II are placed in a posi
Figure 6 is a diagrammatic side view of the
tion to ‘engage the highest notches I6 in the
chair illustrating a second adjusted position.
front legs I3, and the. ends 26 of the rod 25 en
By referring to the drawing, it will be seen that
gage the top notches I5 of the rear legs I2, the
Ill designates the seat of the chair, which seat is 30 chair is in its highest seating position, as shown
pivotally supported at its front end, as at II, by
in the diagrammatic view Figure 6. Preferably
the upper ends of a pair of rearwardly extending
there are ?ve notches in each of the front and
rear legs l2 and 53. This arrangement will per
mit of a number of adjustments both in lower
inclined legs HE. A pair of forwardly extending
inclined legs it are pivotally connected, as at I4,
to the legs l2, see Figure l. The legs I2 and I3 35 ing and raising the seat without necessarily
extend in X-shape relation when the chair is in a
changing the angle of the back rest.
set-up position, as is illustrated in Figure 1. The
By placing the arm braces IT at the lowest
legs I2 are provided with a plurality of spaced
notches in the front legs I3, and the ends 26
notches I5 upon their upper faces, and the legs [3
of the rod 25 at the top notches in the rear legs
are provided with a plurality of spaced notches 40 I2, the back rest will slant to an angle of about
45 degrees. Various selected adjustments may
upon their upper faces, for the purpose herein
described.
An arm brace I ‘I is pivotally mounted, as at I I,
be made by the operator to change the angle of
the back and seat by adjusting the position of
to the leg l2 and the seat I0, upon each side of
the back rest to cause the ends 26 of the rod 25
the chair. The upper end of each arm brace I1 45 to ?t into selected notches I5 of the legs I2 when
pivotally supports the forward end of an arm rest
desired. It should be noted that the seat It]
I8, as at Ila. Each arm brace I1 is provided with
will slide on the rod 24 to properly support the
- a forked lower end I9. The forked lower ends I9
seat as the back rest is adjusted. The foot or leg
of these arm braces I‘I straddle the forward ends
rest may be slid under the seat, if desired, to
of the legs I3. A transverse pin 20 spans each 50 render the rest invisible or unnoticeable, or it
forked end I9 and ?ts into one of the selected
may be extended to place the chair in a com
notches E6 of the leg l3 to hold the brace I‘! in
fortable sleeping position.
an adjusted position.
The chair may be folded as follows:
Parallel side rails 2| of the back rest 22 are
The back rest is pulled forwardlyin the direc
pivotally connected, as at 23, to the rear ends 55 tion of the arrow ;A to a horizontalv position,
3
2,428,314
swinging on pivots 23. The front braces I‘! are
lifted out of engagement with the legs [3, and
4
seat, a pair of front legs, a pair of rear legs piv
oted to the seat, the front legs being pivotally
secured to the rear legs intermediate their ends,
braces pivotally secured near the front portion
of the seat, arm rests pivotally connected to the
the lower ends of the braces I‘! are pulled for
wardly in the direction of the arrow B to an ap
proximately horizontal position, swinging on
pivots I I. This movement will move the arm
braces, a back rest pivoted to the arm rests near
rests l8 downwardly parallel to the seat 10. The
the rear ends thereof, means for selectively con
crossed legs l2 and I3 will then automatically
necting the lower ends of said braces with the
close since they are pivoted, as at 14. The foot
front legs in adjusted positions, means connect
and leg rest 21 is slid under the seat and the chair
ing the back rest with said rear legs in selected
is then in a completely folded position, ready 10 adjusted positions, seat-supporting means carried '
for storage or transportation.
by the back rest for supporting the seat in slid
When the chair is in a set-up position, the ,
able relation with respect to said supporting
same will be ?rmly braced since the front legs
means, and a slidable foot and leg rest carried
13 and seat iii are connected by the brace I1,
underneath said seat and movable longitudinally
and the rear legs are adjustably engaged by‘the 15 thereof in a manner whereby said foot and leg
back rest, the seat resting near its rear end " 7' rest may be selectively extended and moved to
upon the rod 24 forming a part of the back rest , a position under said seat.
22 and the back rest being connected to braces
3. A device of the class'l'described comprising a
I‘! by arm rests 18.
seat,
front and rear legs located upon each side
It should be understood that certain detail 20 of said seat, the front and rear legs being piv
changes in the construction may be employed
otally connected to each other, said rear legs
without departing from the spirit of the inven
being pivoted to the front of said seat, a brace
tion, so long as such changes fall within the
upon each side of said seat, means adjustably
scope of the appended claims.
25 and detachably connecting the braces to said
Having described the invention, what I claim
front'legs, a back rest, means adjustably and de
as new is:
i
tachably connecting said back rest with' said rear
1. A chair of the class described comprising
legs, a seat-supporting means carried by said
a seat, a pair of front legs and a pair of rear
back rest and slidably supporting said seat, and
legs, the rear legs being pivoted to the seat, the ' means pivotally connecting said braces and back
front and rear legs being pivotally connected to
rest 'iin spaced relation to each other, the front
gether intermediate their ‘ends in substantially
and rear legs being movable toward and away
X-shape formation, a front brace pivotally con
from each other at their lower ends to raise and
lower said seat and said braces and back rest be
nected to said seat upon each side thereof, said
front legs having spaced notches upon the top 35 ing movable relative to said seat to hold said
back rest in a selected adjusted position relative
face thereof, each brace having a fork-shaped
to said seat.
lower end straddling the upper edges of said front
legs and having means ?tting in said notches for
BENJAMIN P. JNFANTINO.
adjusting said braces upon said front legs, an
REFERENCES CITED
arm rest upon each side of said chair, each arm 40
rest being pivotally connected to a companion
The following references are of record in the
brace, a back rest pivoted between the rear ends
?le ‘of this patent:
'
of said arm rests, said back rest having depend
UNITED
STATES
PATENTS
ing side rails, a transverse seat-supporting rod
connecting said depending side rails, and con 45 Number
Name
Date
tacting said seat and providing a, rest for said
194,398
Adams __________ __ June 21, 1870
seat to slidably support said seat, said rear legs
239,583
White ___________ __ Mar. 29, 1881
having spaced notches formed thereon, and
laterally extending anchoring pins projecting
253,899
1,728,573 ,
from said depending ends of said back rest for 50
'
?tting into the last mentioned notches for hold
Number
ing said back rest in an adjusted position.
' 2. A chair of the class described comprising a
196,568
Upham __________ __ Feb. 21, 1882
Powers ____'_ _____ __ Sept. 17, 1929
FOREIGN PATENTS
Country
Date
Great Britain _____ __ Aug. 2, 1923
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