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Патент USA US2405544

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' Aug» 139 W436“
Filed March 16, 1943
3 Sheets-Subset 1 ’
_‘ Aug. 13, 15946.
Filed March 16, 1943
" 5 sheets-sheep 2 .
ABZMWI 9,14%‘)
?rraews Y5
Aug. 13, 1946.
Filed March 16, 1943
3' Sheets-Sheet 3
Patented Aug. 13, 1946
ATENT "clerics-I3.‘
a ;
Alphonse F. Anjeskey, Cleveland, Ohio, assignor
to The, Cleveland Crane & Engineering Com
pany, Wickliffe, Ohio, a corporation of Ohio
Application March 16, 1943, Serial No. 479,316
2_Claims. (01. 29-4482)
instance an airplaneis moved along an assembly
The present invention relates to a method of
line comprising a plurality of working stations
manufacturing, assembling or handling during
by a movable overhead. device, including'hoist '
manufacture or assembly comparatively large,
mechanism for varying the ‘height of the .air
bulky devices particularly airplanes and the like.
The manufacture of airplanes and the like, Cl plane above the floor and/or for tilting the. same
so as to obtain the proper working height, .etc;,
prior to the present invention, has been accom
for performing the various operations, and means
plished by so-called hand methods. Starting
for maintaining the airplane ‘stable, that is,'
with the frame member fuselage, which was gen
from sway. The movement of the airplane‘ along
verally placed either on a pair of “horses” or
caster dollies, the workmen assembled the various 10 the assembly line eliminatesthe'necessity. ~ofjfthe
workmen lugging their tools, :etc., from airplane
parts therewith as best they could. Because the
to airplane, and the factzthat the ‘airplane can
height of the frame or fuselage could not be
easily varied, naturally,‘ positions best suited for - be tilted and the height thereof above the ?oor
readily varied eliminates much of the climbing
efficient work could not be assumed by the work
men. The unnatural positions assumed by the 15 and allows the workmen to assume more natural
and advantageous positions while performing the
workmen not only were fatiguing and irritating
various operations. The fact that the airplane
is stabilized permits‘workmen to; climb or walk
dental dropping of a part could readily result in
thereon without danger and without‘ interfering
injury, lost time, etc. The methods employed
also tended to carelessness ‘and defective work 20 with others working thereabout. It also. permits
ladders and the like :to be ‘.placed against the
manship which might result in loss of life when
but were dangerous, as any misstep or the acci
the plane was flown or the device used.
While the method of the present invention may
The principal object of the invention is the
provision‘ of a novel and improved method of
be performed by different apparatus it is ‘herein
manufacturing including assembling or handling 25 illustrated and described with reference to a
stabilized overhead monorail-underslung ‘carrier
during manufacture comparatively large, bulky
system similar to that disclosed and claimed. in
devices, such as, ‘devices particularly airplanes
my copending application Serial No. 479,315,
and the like wherein the airplane or desired
?led March 16, 1943, upon which U. S. Patent No‘.
device is moved either continuously or intermit
tently along an assembly line by movable over 30 2,358,487 issued September 19, 1944. ‘Referring
to the drawings, Fig. 1v shows diagrammatically
head support including means for raising or
a stabilized overhead monorail carrier system
lowering the airplane or other device while main
comprising a closed‘ loop designated generally by
taining it stable, that is free from sway thus
the reference character A about ‘which a plurality
overcoming many .of the disadvantages of the
prior method of manufacturing mentioned above. 35 of stabilized hoist carriers, designated generally
by the reference character B, are adaptedto
Among other things, the invention resides in
travel. The monorail system shown also co'm
performing manufacturing operations in certain
prises a plurality of branch tracks designated
ways and further objects and advantages thereof
generally by the reference characters C, D, and
will be apparent to those skilled in the art to
which the invention relates from the'following 40 E connected ‘to the loop A by transfer switches
description of the preferred method of practic
designated generally by'the reference characters
ing the invention described with reference to the ,
.F, G- and H respectively, and cross tracks I',,J , K
and L. The branch and cross tracks are for-the
accompanying drawings forming a part of this
speci?cation in which similar reference charac
purpose of feeding or bringing sub-assembliesetc.
ters designate‘ corresponding parts and in, which 45 to the main assembly loop and communicate with
either sub-assembly areas such as the overhead
Fig. 1 is a diagrammatic view of an apparatus
monorail carrier loop M shown in Fig. 1, or with
embodying the present invention; '
Fig. 2 is a view approximately on the line 2-2
of Fig. 3;
Referring to the particular system shown, the
Fig. 3 is a side elevational view of a portion 60 main part of‘ the fuselage or frame Hl'of the air;
of the apparatus shown in Fig. 1; and
plane to be produced isv assembled at the area
serviced by the loop M and. thereafter transferred
to the ‘main assembly loop A‘ by the carrierscN
on the loop M, which carriers may be similar'in
Fig. 4 is a bottom view of a portion of the appa
ratus shown in Fig. 1 including a transfer switch.
According to the method of the present inven
tion, the device to be assembled, in the present
con§lirl1ction to the‘ carriersrB, if desired; After
being deposited by the carriers N at the station
the medium of which the lower frame 18 may be
or zone designated by the reference character 0,
the fuselage I0 is picked up by one of the carriers
raised or lowered. The ends of the cables 3| and
32 other than the ends connected to the drum
3‘! are connected to a motor driven drum 49
hereinafter referred to as the tilting drum,
through the medium of which the lower frame I8
may be tilted about a horizontal axis. The cables
3| to 35 inclusive not only constitute suspension
B and carried through the succeeding zones or
stations P, Q. R, S, T, and U, where the tail sec
tion H, center wing section I21, rudder and sta
bilizer l3, outer wing sections I4, motor 15, and
landing gear I61, respectively, are assembled with
or attached to the main part of the fuselage.
The completed airplane is discharged from the
apparatus at station V and delivered at the right
hand end of the loop A, as viewed in the draw
ings. The carrier is thereafter returned to the
starting position.
means but also serve as guy wires to maintain
1.0 .
the lower frame l8 steady with respect to the
upper frame ll. As shown, each cable is ar
ranged in such manner that the vertical portions
thereof form single tackles. However, it will be
understood that any desired form of tackle may
Obviously any number of carriers maybe em 15' be- employed. Alternatively other types of sta~
ployed and any number of airplanes may be in
bilized hoist mechanism may be employed for
the process of assembly at the same time. It is
supporting the lower frame or load member from
also to be understood that operations other than
the carrier proper.
those speci?cally referred to above, such as paint
The construction and operation of the motor
ing, etc., may be performed upon the airplane 20 driven hoist and tiltingmechanisms, per se, form
while suspended from. the carrier, and the car
no part of the present invention and will not be
riers may be moved either continuously or in
described in detail. Su?ice it to say that, they are
termittently. Instead of transferring the fuselage
adapted to be controlled from a pendant push
from: the carriers‘ N to the carriers B at station 0
button switch station, designated generally by
the carriers N could be made to travel about the 25 the‘ reference character 4 I, connected to the low
loop A and means provided to return them to; the
er end of a tubular member 42 ?xed to the upper
loop M. Alternatively, the assemblywork per
frame H. In the present instance the member
formed on the loop M could be performed on the
42 is a rigid member and providesmeans for hand
loop A.‘
propelling the carrier B about themonorail track.
Referring to Figs, 2 and 3 particularly, it will 30 Alternatively, the carriers maybe motor driven.
beseen that thecarriers B, which are all identical
The load, in the present instance "an airplane,
in construction, each comprises an upper frame
is rigidly supported from the lower frame‘ l8 by
i1. and aload member or lower frame 18. The
‘members such as tubular frames 43 and 44 con
upper frame ll which constitutes a movable over
nected to the lower frame 18 and to the airplane
head-support is suspended fromzan I-shaped car
in such a manner that the airplane is stabilized
rierv monorail 20 by trucks located at opposite
with respect to the lower frame or member 18.
ends of the frame I‘! and connected thereto
The members or frames [8, 43 and 44 constitute
through the medium of brackets 2| and 22'. Both
a ?xture or jig for supporting or holding the
trucks are identical in construction and the par
ticular construction thereof is immaterial in so 40
Because of the particular suspension employed
far as the present ‘invention is concerned. Each
to connect the upper frame I’! and the lower
truck shown comprises two pairs of ?anged wheels
frame 18, the ?xture or jig for the airplane is sta
23‘ pivotally connected to yoke members 24 and
bilized with respect to the upper frame or mem
25 which in turn are connected to opposite ends
ber H. In other words, the construction pro
of a load bar 26'. The brackets. 2| and 22 are
duces an overhead stabilized hoist carrier, that
welded to the upper frame or member I‘! at its
is, an overhead carrier comprising a load member
longitudinal center line and are pivotally con
movable vertically with respect to the carrier
nected‘ to the load bars by horizontal pivot pins.
proper by hoist mechanism but not free to pivot
The wheels'23 of each pair engage opposite hori
or sway relative thereto. Neither the lower frame
zontal lower flanges of the carrier rail 20. The 50 [.8 nor the airplane connected thereto will swing
carrier rail 20' is fixed to any suitable overhead
or sway relative to the upper frame I’! under
support in any convenient manner as by the hang
usual conditions of operation, which, in the case
er rods 29 arranged to hold the rail stationary
of ‘an airplane assembly line, contemplates an
and-eliminate side sway. The ‘hanger rods 29
uneven or shifting load such as might be occa
are secured to the rail 20 through the medium of ..-' sioned by assembling parts on one side of the
a ?xture 30.
plane in advance of similar parts on the other
The load member or lower frame is is sus
side, by workmen walking or climbing about the
- pended from the upper frame I‘! by stabilized
airplane, particularly about the outer ends of the
hoistv mechanism, that is, mechanism which will
wings, by placing ladders against the plane, etc.
raise or lower the load vmember It with respect 60 In order to complete the stabilization of the air
to the upper frame I‘! while maintaining the two ‘ plane, the carrier must be stable with respect to
members stable or, in other words, free from rela
the trackway along which it moves. In the pres
tive sway or pivotal movement. As shown, lower
ent instance the carrier is stabilized with respect
frame I8 is suspended from the upper frame I‘!
to its trackway in the following manner.
by three pairs of cables 3|, 32; '33, 34; 35, 36;
Both the upper and the lower frames I1 and
arranged in a ‘manner similar to that disclosed
I8 as shown, are generally rectangular in shape
in a copending application of Arthur L. Meden
and the upper frame I‘! is provided with rollers
wald, Serial No. 516,206, upon which U. ‘S. Patent
45 located on opposite sides of the longitudinal
No. 2,357,443 issued September 5, I944. One end
center line of the carrier and spaced a consider
of each of the cables 33 to 36 inclusive is con
able distance therefrom. The rollers 45 are on
nected to the upper frame I‘! while the other
the top of the frame I‘! and engage the underside
end thereof, together with one‘ end of each of
of members 66 and 47 located on opposite sides
the cables 3| and 32, is connected to the ‘drum 3'!
of the carrier rail 20. In the embodiment shown,
of a motor driven hoist mechanism designated
the rollers 45 are carried by members '48’ and‘49
generally by the reference character 38 through
welded to and projecting above the upper frame
"l1 atroppositesides of the c‘enterllne of‘the'car
the carrier rails 20' and 58 alig'n'withfthe bottom
rier and approximately midway of the length
thereof; The members 45 and 41 are in the form
of angle irons supported in ?xed position with
respect'to the carrier rail '20 by being welded to
vertical brackets 50 connected to opposite ends
surfaces of the members '46, 41, 60 and 6|. While
a sliding type of switch has been shown, it will
be understood that other types of switches may
be employed, and that the switches may be either
electric switches or manually operated switches.
As previously stated the carriers N may or may
of cross-arms 5|. The cross-arms 5! are in turn
?xed to’ the upper ?angegof the carrier rail 20,
not be similar to the carriers B as desired.v In
_ the embodiment of the invention shown it is
as by being welded thereto. It is’ to beunder
stood, however, that the members 46 and 41 10 assumed that they are the same and-that'it is
desirable to stabilize all of the carriers with re‘;
whichxform a trackway paralleling the carrier
rail20 maybe supported in any convenient man
spect'to the vcarrier rails throughout the entire
system, except for the return runs or- reaches
'neri so long} as they are ?xed with respect, to the
of the loops. If'the carriers N orin fact'anyof
carrier rail. From the foregoing description it
will'be' apparent that the upper frame I l of 15 the carriers on the branch or cross tracks-"are
thecarrier cannot sway with respect to the car
not to be stabilized with respect to theirfr‘za'rL
rier rail, they would not embody guide or stabili‘zL
rier rail‘ but must remain in a predetermined
horizontal plane. Any'tendency' of the carrier
ing means such as the rollers 45 and the-track
tc'_>_pi_vot about the carrier rail 20 is prevented
ways therefor.‘ For the most part the remarks
by the engagement of the rollers 45 with the 20 previously made with respect to'theb'ran'chv'oi'
members“ and/or 41.
' The airplane is-stabilized in a generally hori
feeder track C apply to the other branchror
‘feeder tracks including the cross tracks.~ ~Atte"n'-'
tion is called‘ to the fact that carriers onf the
zontal position even though supportedv from
above‘ and movable vertically to facilitate work
branch tracks can be moved through the medium
ing thereon, etc. In the ?rst place the airplane 25 of the transverse switches onto the track or car
is ?xedly connected to an overhead stabilized
hoist carrier, that is, an overhead carrier hav
ing a load member not free to swing or pivot
rier rail of the main loop. For example a car
rier on the branch or feeder track E carrying the
motor 15 can be moved onto the carrier track
of the main loop A and the,motor thereafter
with respect to the carrier proper but which is
movable vertically with respect to the carrier 80 readily moved longitudinally of the airplane, thus
proper by hoist mechanism forming a part of
facilitating assembly of the motor with the fuse
lage. In order to align the mountings one or the
the carrier and, in the second place, the carrier
proper is stabilized with respect to its overhead
other of the parts can be raised, lowered, and/or
track, thus completing the stabilization of the
tilted as required.
ad From the foregoing description of the pre
Referring to Fig. 4, which shows the preferred
ferred embodiment of the invention it will be
construction for connecting a branch track to
apparent that the objects heretofore enumerated
the main loop A, the reference character F desig
and others have been accomplished and that
nates generally a sliding type switch. The
the present invention provides a new and im
switch for the most part is similar to commer 40 proved method of and apparatus for manu
facturing or assembling relatively large heavy
cial switches manufactured at the present time
by The Cleveland Crane & Engineering Company.
devices particularly airplanes and the like. An
Suffice it to say that the switch shown com
overhead monorail underslung carrier system has
prises an outer or supporting frame 52 sus
been selected as the preferred apparatus for prac
pended in a suitable manner from the overhead 45 ticing the method of the present invention be
structure to which the rail 20 is attached, and
cause of this type of system, that is, the ease
an inner or sliding frame 53 slidably supported
with which the runways can be directed or lo
on the frame 52 and adapted to be moved trans
cated as desired, and the ease with which car
versely of the rail 29 by operating chains con
riers can be shifted from one track or part of
nected thereto and passing over the pulleys 54 50 the system to another and otherwise moved
and 55. The inner or sliding frame 53 carries
thereabout. While the preferred embodiment
two sections of rail 56 and 51 the former of which
of the invention has been herein shown and de
is a straight section and the latter a curved
scribed in considerable detail, it is to be under
section. When the inner or sliding frame 53
stood that the invention is not limited to the
is in the position shown in Fig. 4, the curved 55 particular construction shown nor is it limited
section of track 51 of the switch aligns with the
to the assembly of airplanes or airplane parts,
section of rail 20 shown at the lower part of
and it is my intention to hereby cover all adap
the drawing and the rail 58 of the branch track
tations and arrangements and uses thereof which
C. When the inner or sliding frame 53 is moved
‘come within the practice of those skilled in the
to the position shown in dot-dash lines in Fig, 60 art to which the invention relates.
4 of the drawings, the straight section of rail
In the appended claims, ‘when two or more
55 aligns with the two sections of rail 20 shown.
elements or members, etc., are referred to as
When the carrier B is on the branch track C
being “stabilized” with respect to each other or
the upper frame ll thereof is stabilized with re
to another element, it is meant that the parts
spect to the carrier rail 58 by members 60 and
referred to are not free to pivot or sway rel
BI similar to the members 46 and 4‘! and pref
ative to each other, and when the phrase
erably supported from the carrier rail in a sim
“stabilized hoist carrier” is used, it means a
carrier movable along a runway and having a
ilar manner. It.wil1 be observed that it is not
necessary to shift any part of either of the track
load member, that is, a member adapted to
ways for the rollers 45 when manipulating the
have a load supported thereby that is not free
switch F to transfer a carrier from one part of
to pivot or sway with respect to the other parts
the system to another. Where the carrier rails
of the carrier proper, but vertically movable by
20 and 58 pass through the members 60 and
hoist mechanism incorporated in the carrier.
46 respectively, the latter members are merely
Having thus described my invention, I claim:
interrupted. As shown, the bottom surfaces of
1. The method of manufacturing or handling
during? manufacture: a. comparatively large bulky
device such as an airplane, which . comprises
device to be manufactured for horizontal move.
ment over a ?oor area adapted to be occupied by
supporting. entirely from overhead a part of the
device to _be manufactured for horizontal move
workmen by connecting thev same to an overhead
ment over a'portion of a ?oor area adapted to H
supported over a. ‘portion of said ?oor area by
be ‘occupied by workmen by connecting the same
moving said carrier, holding said part free from
carrier, moving said part horizontally while so
sway in al1 directions by overhead any means
during a portion of its travel over said area,
moving said carrier, maintainingsaid part free
supporting from overhead a second part of the
from sway in all directions by overhead means ~10 device to ‘be manufactured for horizontal move
during a portion of its movement over said area,
ment over a portion of said ?oor area by con
supporting from overhead a second part of the
necting the same to a second overhead carrier,
to an overhead carrier, moving said part hori
zontally over a portion of said floor area by
moving said second part horizontally over apor
tion of said area by moving the second carrier,
necting the. same- to- a second overhead carrier, 15 holding said second part free from sway in: all
bringing said parts‘together while so supported,
directions by overhead guy means during. a por
varying the relative height of the parts to align
tion of its travel over said area, bringing said
the. same above said ?oor area'by e?ecting move
parts together while so supported and maintained
ment between various parts of one of the carriers,
tree from sway, varying the relative height of
and connecting said parts together.
33 the parts to align the same above said ?oor area
2. The method of manufacturing or handling ‘ by effecting movement between various parts of
during manufacture a comparativelylarge bulky
one of the carriers and connecting said parts
device such as an airplane, which comprises sup
porting entirely from overhead a part of the
device. to be manufactured for horizontal move
ment' over a ‘portion of said floor area by con
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