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Патент USA US2409318

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oct- 15, 1946- I
A. B. RCGERS‘, SR
2,409,316
REMOVABLE AND COLLAPSIBLE SEATING FIXTURE
‘Fi1edh0c't.-l2, 1942
4 Sheets-Sheet 1
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INVENTOR.
ALLA/Y 5. 4206525 5e.
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Arlee/v53:
Oct. 15, 1946.
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5, ROGERS, 5R
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2,409,316
REMOVABLE ‘AND COLLARSIBLE' SEATING FIXTURE
Filed Oct‘. 12, 1942
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4 Sheets-Sheet 2
INVENTOR.
AMA/M’ 5:206585 5e -
BY.‘
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Oct. 15, 1946.
A. B‘. ROGERS, SR
2,409,316
REMOVABLE 4ND COLLAPSIBLE SEATING FIXTURE
Filed Oct. 12, .1942
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INVENI‘OR
AMA/V 5.206625 52.
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Oct. 15, 194.6-
A. B. RoGERs'sR
2,409,131 6
REMOVABLE AND COLLAPSIBLE SEATING FIXTURE
Filed Oct. 12', 1942
4 Sheets-Sheet 4
MAN ejewms s2.
Patented ‘Oct. 15, 1946
2,409,316
‘UNITED STATES PATENT OFFICE
‘2,409,316
REMOVABLE ‘AND COLLAPSIBLE SEATING
FIXTURE
Allan B. Rogers, S12, Santa Monica, Calif., as
signorto DouglasAii-craft Company,‘ Inc., ,Santa
‘Monica, Calif.
Application‘ootobel" 12, 1942, Serial No. 461,807
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8 ‘Claims.
(Cl.'=15‘5.—..116')
2
'1
longitudinally shifting ‘ the seat. . Arms provided
flfhis‘invention relates ‘to anadjustable folding
chair which ‘in ‘its preferred embodiment is par
ticularly adapted ,for use ,in airplanes wherein
it is desired ‘to vary ‘the sizes of the passenger
or ‘cargo compartments to jsuit’the particular de
on the side memberslmay'be moved toa folding
‘position so that with both ‘legs ‘and arms ‘folded
the chair becomes a compact article for stowing
mands jfonaccommodajtions on each trip.
"It ‘has ‘been ‘the practice 'to designate certain
airplane models as cargo carrying airplanes and
The chairs may The used ‘either singly or in
multiple as the space available may determine,
two’chairiunits'having a common side frame be
certain other models'aspassenger carrying air
planes. In 'most “passenger vcarrying airplanes
10 at onerend'iin lieu of "being supported .byJIeg‘s at
in another portion of the airplane.
tween them.
They ‘may be attached toa wall
that end. When a chair‘is thus supported a wall
it ‘has ‘been customary to set aside a certain
amount of ‘spacemear‘the centerof gravity of the
airplane for carrying cargo and air express. This
cargo carrying space at times ‘is too small to
care {or ‘the volume of cargogavailable. At other .15
times ‘the ‘passenger carrying ‘space is too small.
IE'or example in some districts early morning and
early evening trips use :all available space for
attachment plate is secured to the ends of the
‘cross‘members of the chair adjacent the wall in
“lieu ‘of ‘legs.
The ‘principal object of this invention is to
provide :a chair for airplanes or ‘the like which
‘is light in construction, simple in operation and
requires a minimum of ‘time for removal from
the ?oor for-stowing.
passengers while other trips during the day re
quire .a lesser number ,of chairs and more cargo
Another object of this invention is to provide
a tubular Iframe ‘having upright side members
‘the ‘lower portions of which are .foldable there
space. ‘It is not jpro?ta‘bleto haul a‘fully‘loaded
airplane in one direction and return it empty.
vli‘urthermore ‘the number of airplanes available
' under.
Another ‘object of this invention is‘to provide
‘to‘have one airplane “for cargo “andanother ‘for 25 quick—'release ?oor attachments on each of-the
.on most airlines is limited-and it is not feasible
passengers. "Therefore, that ‘the airlines may‘
foldable-legs.
‘
7
Another object of 1this ‘invention is to'provide
‘hold at a-low ?gure the mileage cost, ‘an air
meansjforlchangin'githe seat and seat back from
plane should haul imore‘cargo during'the hours
an upright to “a semi-reclining position.
of'light passengertraf?c than the ‘hours of ‘heavy
passenger traffic to ‘utilize ‘the full revenue ca 30 ‘Another object of this invention is to provide
means for folding the seat so that it can be made
pacity of‘ the airplane.
into a neat compact package for stowing.
‘It "is therefore desirable ‘that‘thespa-ce adapted
Another objectof this ‘invention is to provide
for carrying cargo and that'ior carrying’passe'n
means for attaching a second chair‘to the ?rst
gers "be variable ‘by means of a‘movable ‘parti
1tion vtherebetween, as disclosed in Patent No. 35 to‘ provide a substantial unit of attractive ap
pearance.
2,396,039 so that either space may be readily
increased ‘or decreased. In order‘to enlarge the
Another object‘of this invention is to provide
"meansior attachingrand‘ilocking ‘the seats tothe
wall‘ at the same time they are~attached to‘the
cargo compartment in this type of --airplane in
terior‘it‘is necessary to remove a predetermined
number of passenger "chairs ‘from their ‘wall and 40 floor.
iioor “mountings ‘when the wall ‘separating the
jStill another object‘ of this invention is to pro
cargo ‘and passenger compartments “is moved Lto
vide on the upper portion of the side members
increase'the cargo ‘compartment. ‘It is further ' “means for‘ fol-ding the ‘arms snugly thereon.
desirable that ' the chairs the ‘of "light ‘construction
45 iFurther?objectsand advantages of this inven
sothat theylmayrbe moved with ease to ‘stowing
‘position as disclosed in Patent ‘No. v‘1396,039.
tion will be brought outin the following descrip
tion takenjin connection with the accompanying
“The chair ‘of this ‘invention-‘has I a ’ light tubing
‘drawings.andappendedclaims.
gframe comprising “spaced side members ‘the legs
of which ,are adaptedito be quickly removed from
‘the yvall and the ?oor‘and .folded compactly un
erring “now to .the' drawings:
50
?r-Eijgure gl-isa perspective view showing theipre
'der theifrarn'e. _A-s,eat and back which are‘pro
vided between the upright members ‘are inter
Tierred embodiment of the ‘folding chair.
rfFigu-re 2 isapartialside elevation ofthe fold
connected and ‘interlocked in such a way ‘that
the back may "be-adjusted to occupy several‘po
ing chair. 1
sitions varyingfrom upright‘to semi-reclining by
Figure ‘Bis a sjideielevation of the chair with
55 seat and‘ back in ‘folded position.
2,409,316
4
3
comprising a locking member 66 which pivots at
Figure 4 is a front elevation of the chair show
ing it completely folded.
Figure 5 is an enlarged fragmentary view of the
automatic arm attachment catch.
Figure 6 is an enlarged side elevation of the
chair back locking device.
Figure 7 is an enlarged section through the
quick-release ?oor attachment showing the at
tachment set in the locked position.
,
Figure 8 is an enlarged section through the
quick-release floor attachment similar to Figure
'7 showing the attachment set in the unlocked
position.
Figure 9 is a perspective view showing the '
68 to an extension ‘I0 on each arm. The exten
sion ‘I0 is provided with a slot 12 which receives
a rod ‘I4. A hook is on the locking member 66
is resiliently held in the locked position by a
spring ‘I8 and the plunger 80 so as to force the
hook ‘I6 into engagement with the rod ‘I4 to hold
it securely in the slot ‘I2. The rod ‘I4 is held in
, rigid relation to the member I2 by a rear attach
ment lug 82 which is securely clamped to the
member I2 ‘at 63. An auxiliary attachment lug
84 is placed on the member I2 at 86 so that the
locking member on the arm may be removed
from the ?rst attachment lug 02 to be placed on
the second attachment lug 84 when the chair
is folded.
Movement of the seat forward or backward is
controlled by a handle 80 which rotates a ?at
tened rod 69 for engagement with a plurality of
Figure 11 is a perspective view of the wall 20 notches 90 in a pair of slotted members 92 secured
bracket locking device showing a fragmentary
to the bottom of the seat at each side thereof in
accordance with the usual construction of devices
portion of the Wall bracket in place.
of this character. A link 94 is pivoted to the
Figure 12 is a top elevation of the wall bracket
front cross member I8 and holds the rod 89 to an
inserted in the locking device.
Figure 13 is a fragmentary elevational view of 25 arcuate path about the cross member I8 of the
frame so that the seat may be held solidly in any
the sleeve I03, showing the slot I 08.
method of attaching two chairs to make a single
unit.
Figure 10 is a side elevation of the wall attach
ment bracket which attaches to the second seat
frame.
Figure 14 is a reduced sectional view taken as
indicated by the line I4—-I4 of Figure 7.
Figure 15 is a fragmentary view in perspective
of the means for locking the seat in a desired ad
justed position.
In detail and with reference to the accompany
ing drawings in the preferred embodiment of this
position of adjustment.
Quick release floor attachments, shown in Fig
ure 7 in the locked position, and in Figure8 in
the unlocked position, are secured to each of the
legs of the chair. A tubular ?tting H2 is riveted
to the chair leg at 96. A bolt 98 is secured to the
airplane ?oor and provided with a head I00 hav
ing an annular groove IOI. This bolt is held in
invention, Figures 1, 2, 3 and 4 show a chair I0
having two horizontally spaced rigid upper side 35 the locking assembly by a pair of steel balls I02
seated in radial apertures in the ?tting I I2 which
frame members I2 which are supported by fold
are moved by a radially eccentric cam I04 on the
able front and rear legs I4 and I 6, The legs I4
inner face of a sleeve I03 into groove IOI as the
and I6 are pivoted to the members at 22 and 24,
sleeve I03 is rotated. (See Figure 14.) When
and are each securable in either horizontal or
vertical position by the spring urged detent pin 40 cam I04 is rotated out of engagement with balls
I03 they are free to move out of groove I M _
23, from which positions they may be released by
The upper portion of the sleeve is provided with
pressure applied to the legtangentially of the
a knurled surface I06 for manually rotating the
hinge axis. These legs are braced by a tubular
sleeve and with a slot I00 extending over a limited
bar 26 which is fastened to the front leg I4 at
28 and extends upwardly and rearwardly to the 45 are around the sleeve. A resilient radial catch
member H0 is secured to the ?tting II2. Each
pivot point 24. The frame also comprises a front
end of the slot I08 in the sleeve I03 is provided
cross member I8 and a rear cross member 20
with a downwardly offset notch (see Figure 13),
adapted to hold the side members I2 in rigid
these notches being adapted to engage and auto
spaced relation. The front cross member I8 is
provided with a pair of rollers MI and 32 rotat 60 matically hold the resilient catch member in a
locked or unlocked position, depending upon the
able thereon.
direction the outer sleeve is turned.
A seat 34 is suspended at its rear corners by a
Two or more of the chair units may be joined
pair of links 36 which are pivoted at 38 to the
in lateral alignment by using a common side
seat frame 40 and pivoted at their upper ends to
the frame member I2 at 42. The forward por 55 frame member I2 between each two units, the
front and rear cross members of adjoining units
tion of the seat‘rides on the rollers 30 and 32 on
being designed to be coupled to form through
the front cross member I8. A chair back 44 is
cross members.
pivoted to and between the members I2 at 42 on
A single or multiple unit chair may be sup
the same axis with the links 36. As shown in
Figure 6 a locking lever 46 is pivoted at 48 to each 60 ported at one end on an adjacent wall. For this
purpose the ends of. the front and rear cross
of the links 36. This locking lever is provided
members are constructed so that they may have
with a hook 50 on one extremity thereof which is
secured thereto a wall attachment plate II 4
yieldably held in engagement with a pin 52 by a
shown in Figure 10 instead of a sideframe mem
spring 54 (see Fig. 6), The pin 52 is set in the
lower portion of the back frame and prevents 65 ber I2, at the chair end adjacent the wall. A
notch H6 is provided in each end of the wall
accidental separation of the back from the seat.
attachment plate and is located to cooperate with
The hook and pin connection nevertheless per
lock assemblies I I 8 attached to the wall, the front
mits the back to be angularly moved about the
assembly being as shown in Figures 11 and 12.
axis 42 as the seat is moved relative to the frame.
A latch I20 is pivotally mounted on cars .I3I and
The forward portions of a pair of arm rests 56
I63 of a bracket I22 of the lock assembly H8 at
and 58 are pivoted to the members I2 by means
I24. The latch I20 is held in either an open or
of links 50, Each link is pivotally connected to
closed posit-ion by the engagement of a spring
an arm at B2 and-to a member I2 at 64. As
shown in Figure 5 the rear portion of each arm
loaded ball assembly I25 set in the bracket I22
is provided with an automatic locking mechanism 75 which is adapted to engage either one of two
notches ill ‘and ‘[23 ‘around 'a'curvediportlon of
moved “from the wall. ‘The latch 'members "I 20
must be ‘pulled outwardly. This action removes
the tongue members I28 from the notches l-l-li'in
‘the‘latc‘h 1'20. Thus'when 'theywall plate ‘I I4 is
.set'in ‘a'notch ‘I30 formed‘in the 'ears‘I-SI “and 133
of the locking assembly H3, 'a‘tongue I28 on‘the
the wall plate. The entire seat assembly is now
lifted upwardly from the ?oor, the‘legs 'Hland I6
‘are folded under the "seat and the-unit‘is ready
latch ‘is adapted to move "on its pivot “into ‘the
notch lfl?'provided in the wall attachment plate
H4. In "this ‘manner the ‘wall ‘plate "is locked
against movement in ‘any direction.
In operation ‘the-complete ‘chair in ‘the custom
aryformzfor‘ vehicle passenger use comprises two
"seats fastened “together as described “hereinabove
which "are ‘secured ‘both "to .the "floor and to v‘the
for stowmg This procedure must be reversed ‘in
order to reinstall the chairs to theirproper posi
it
wall. ‘By'mejans of the handle 88 the ‘passenger
‘may “adjust the .seat in 'any'position he desires
from ‘an uprig'lit‘to a ‘ semi-“reclining“position. As
:the ‘passengerm'oves the handle‘ upward the flat
‘tenjed rod ‘.89 ‘to‘which the vhandle is ‘secured is
rotated and disengaged tfrom'the "notches in‘the
:slotted'member 9.2 so that a slight movement of
his b‘o‘dy‘forward or backward will urge the seat
tions in the passenger compartment.
I
claim:
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'1. An adjustable“folding chair comprising Pa
frame having a front cross member; rollers 'on
said crossmember; a seat ‘slidably mountedbn
said rollers; ‘a link; means for pivotally ‘connect
‘ing‘ the opposite ends of said link‘to the rear por
tion ‘of said seat and said ‘frame ‘respectively
‘whereby said ‘seat‘may be slidably moved relative
to said cross member; a backrest; means for
pivotally connecting said back rest intermediate
the slotted‘member SZ‘isenga-ged 'by'the ?attened
‘the ends'thereof to said frame; and ‘means for
pivotally interconnecting said link and‘the lower
"portion of said backrest whereby said back rest
will be angularly adjusted about the pivotal con
rod 89 as the same‘re'turns‘to its normal position
nection between the same and said frame as the
and back to the position desired. As soon asthe
‘handle is‘released'one of ‘the ‘several‘notches in
so that theseat and‘back will remain in the ‘newly
adjusted position.
seat is adjusted.
I
2. In an adjustable folding chair; ‘a ‘frame
comprising a front cross member; rollers on said
cross'mem‘ber; a seat slidable on said rollers so
'Torremove the ‘seats from the ‘floor and wall
in the passenger compartment ‘for stowing in
another part of the airplane the handle 88 is
that ‘said seat can be moved in a fore and ‘aft
releasediand the seatpushed backward ‘until the 30 direction with respect to said cross member; a
?attenedrod ‘89 restsinlthepassage ill in ‘front
of the notches 90 in the slotted member "92. ‘This
backward movement of "the seat ‘34 causes ‘the
upper‘portion .of the chairlback '44 ‘to move‘for
ward 'by reason of the backibeing pivotally con
.nected to the ‘link 36. To complete the ‘folding ‘
.movemerit or” the chair‘back, the, handle of the '
link; means for pivotally connecting the opposite
ends of said link to the rearportion of said seat
and ‘said ‘frame respectively; a back rest pivoted
on ‘said frame for movement‘to and from a posi
ti'on overlying said seat in substantial parallelism
therewith; and means having connecting means
thereon for pivotally interconnecting said seat
and backrest, said connecting means being man
locking lever ‘A6 is pulled upwardly against the
ually releasable to permit said backrest to be
action .of the spring ‘54 so ‘that the ‘hook '50 is
disengaged from the “pin 952 ‘set in the lower {por 40 pivotally moved to a position'overlying‘said seat.
3. In an adjustable folding chair: va main
tionof theseat back. l-Th‘is action releases'the
‘frame, saidmain frame having a pair of'vertically
back so that lit .‘folds forwardly ‘about ‘the pivot
disposed side members and front and rear cross
'62 to rest in a'horizontal position above theseat
which has moved backwardly and downwardly .
‘members ‘holding said vertically disposed mem
as shown in Figure ‘3. "In moving the seat back 45 bers'in ‘horizontally spaced relation: ,a seat; means
for slidably sup-porting said "seat on ‘said ‘front
wardly it is pushed off the rollers on the front
cross member; a pair of links; means for pivot
cross member l8‘ and suspended in a lower posi
ally connecting the opposite ends of each link to
tion by the links 36 and 94.
a vertical side member and a side edge of said
So that no part of the chair projects above the
back after the same has been folded over the seat, 50 seat respectively, so that said seat may he slid
ably moved relative to said front member; a back
the arms 5% of the chair must be folded forwardly
rest; means for pivoting said back rest between
and downwardly. This is accomplished by push
said vertical side members; means for pivotally
ing the locking member 66 on both arms down
connecting said back rest to said links to give said
wardly against the action of the plunger 80 and
spring 18. This allows the rearward portion of 55 back rest a de?nite relative position with respect
to said seat for each position of adjustment of
the arms to be lifted upward so that they are
said seat, said last named connecting means being
disengaged from the rod ‘[4 in the rear attach
operable to release said back rest so that it may
ment lug 82. The arms may now be pushed for
be pivotally moved to a position overlying said
ward by reason of the links 60 until the slot 12
in the extension ‘m at the rear of the arm is in 60 seat; a pair of arm rests; and means for mounting
said arm rests on said side members, said means
line with auxiliary attachment lug 84'. The arm
permitting said arm rests to be moved from an
is then pushed downwardly until the catch 15
operative position extending above said side mem
snaps into place. The seat is now ready for re
bers to a non-operative position in substantial .
.moval from the ?oor.
The resilient catch members H0 on the floor 65 contact with said side members when the back
rest is pivotally moved to a position overlying said
attachments are moved upwardly until the
seat.
knurled portion “36 of the outer sleeve may be
It. In an adjustable folding chair: a main frame
turned. After the outer sleeve has been turned
having a pair of vertically disposed side members
so that the, resilient catch snaps into the recess
in the opposite end of the slot lllB balls “32 are 70 and horizontally disposed front and rear members
in spaced relation; a seat; a pair of links; means
free to be released from the annular groove llll
for pivotally connecting the opposite ends of each
in the floor bolt 98 by the removal of the pressure
link to a vertical side member and a side edge of
of cam 104 in the outer sleeve so that the legs are
said seat adjacent the rear portion thereof re
ready for removal from the ?oor bolt. After all
floor attachments are unlocked the seats are re 75 spectively; means on said frame for slidably sup
2,409,316
8
porting the front portion of said seat whereby the
same may be moved between forward and rear
ward portions relative to said frame; a back rest;
means for pivotally connecting said back rest be
tween said vertical side members; and means for
pivotally connecting the lower portion of said
back rest to said links adjacent the rear edge of
said seat so that movement of said seat brings
about conjoint movement of said back rest.
7. In an adjustable folding chair: a main
frame, said main frame having a pair of verti
cally disposed side members and front and rear
cross members holding said vertically disposed
members in horizontal spaced relation: a seat; a
pair of elongate links; means for pivotally con
necting an end of a link to each vertical side
member; means for pivotally connecting the free
ends of said links to opposite sides of said seat
5. In a seat of the type described: a main 10 adjacent the rear edge thereof; means for slidably
supporting the front portion of said seat on said
frame having front and rear cross members
front cross member; a back rest; means for piv
spacing apart a pair of vertical side members;
otally mounting said back rest between said side
a seat; a pair of links; means for pivotally con
members for movement about the axis of the
necting the opposite ends of each link to a ver
tical side member and a side edge of said seat 115 pivotal connection between said elongate links
adjacent the rear thereof respectively; means for
and the vertical side members; and means for
pivotally interconnecting the lower edge of said
slidably supporting the front portion of said seat
back rest and the elongate links whereby said
on said front cross member; a back rest; means
back rest will be pivotally moved as said seat is
for pivotally mounting said back rest to said ver
tical side members for movement to and from a 20 slidably moved over the supporting means on said
position overlying said seat in substantial paral
lelism therewith; means for pivotally connecting
front cross member.
8. An adjustable folding chair comprising a
frame having a front cross member; rollers on
said back rest to said seat whereby said back rest
said cross member; a seat slidably mounted on
is pivotally moved relative to said frame as said
seat is moved; and means for manually releasing 25 said rollers; a link; means for pivotally connect
ing the opposite ends of said link to the rear por
said connecting means whereby said back rest
tion of said seat and said frame respectively
may be folded against said seat.
6. An adjustable folding chair comprising a
whereby said seat may be slidably moved rela
frame having a front cross member; rollers on
tive to said cross member; a back rest; means
said cross member: a seat slidably mounted on 30 for pivotally connecting said back rest interme
diate the ends thereof to said frame; a hook piv
said rollers; a link; means for pivotally connecting
the opposite ends of said link to the rear portion
otally carried by said link; a pin carried by the
back rest adjacent the lower edge thereof and
of said seat and said frame respectively whereby
adapted to be engaged by said hook for pivotally
said seat may be slidably moved relative to said
interconnecting said link and the lower portion of
cross member; a back rest; means for pivotally
said back rest whereby said back rest will be
connecting said back rest intermediate the ends
angularly adjusted about the pivotal connection
thereof to said frame; a hook pivotally carried
between the same and said frame as the seat is
by said link; a pin carried by the back rest ad~
adjusted; and resilient means for normally hold
jacent the lower edge thereof and adapted to be
engaged by said hook for pivotally interconnect 40 ing said hook inv engagement with said pin, said
resilient means permitting said hook to be moved
ing said link and the lower portion of said back
rest whereby said back rest will be angularly
out of engagement with said pin whereby said
adjusted about the pivotal connection between
back rest may be moved to a position overlying
the same and said frame as the seat is adjusted;
said seat.
and means for locking said seat in a selected 45
ALLAN B. ROGERS, SR.
position of adjustment.
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