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Патент USA US3092288

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June 4, 1963
Filed Aug. 2l, 1961
3 Sheets-Sheet 1
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June 4, 1963
Filed Aug. 21, 1961
3 Sheets-Sheet 2
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June 4, 1963
Filed Aug. 21, 1961
3 sheets-sheet s
United States Patent O Mice
Patented June 4, 1963
FiG. 7 is a View similar to FIG. 5 with the container tie
in the ready-to~couple condi-tion.
Referring to FIGURE l, a pair of shipping containers
2i) ‘and 21 4are coupled in abutting relationship ‘by upper
and lower container ties «generally designated by the nu
merals 22 and 24, respectively. 'Ihe ’coupled containers
Keith W. Tantlinger, Grosse Pointe Shores, and Richard
T. Fujicka, Oxford, Mich., assignors to Frueh‘auf
Trailer Company, Betroit, Mich., a corporation of
20 and 21 are vsupported at lone end by a conventional
ñtth wheel 26 of a tractor 28 ‘and »at the other end by a
Filed Aug. 21, 1961, Ser. No. 132,619
2 Claims. (Cl. 220-1.5)
This invention relates generally to freight handling ap
copending application, Serial No. 112,635 assigned to lthe
assignee of the present invention, the containers 20 'and
paratus and more particularly to automatic container ties
for coupling shipping containers in abutting relationship.
21 are provided with a pair of pins 32 and 33, respec
It is often desired to couple .two or more shipping con
tainers together to form a structurally independent `assem
bly that accepts, for example, a lifth Wheel of a conven
conventional tandem wheel suspension 36.
As more particularly pointed tout in the aforementioned
tively (FIG. 2), that extend laterally outwardly from a
15 pair of recessed faces 34 and 35 ron the opposed upper
corners thereof. This disposition `of the pins 32 and 33,
in combination with the automatic container ties 22 and
24 of the instant invention, renders automatic coupling
and uncoupling yof the containers 20 and 21 relatively
tional tractor at one end and la conventional wheel sus
pension at the other end. Such a container assembly and
the application thereof to the aforementioned mode of
transportation is fully disclosed in Iapplication Serial No. 20 easy.
112,635, tiled M-ay 25, 1961, for: Shipping Apparatus and
In accordance with the present invention, the upper
assigned to the assignee of the present invention.
container tie 22 comprises a coupling arm 40 having an
Often, such Ia pair of shipping containers must be
aperture 42 therein for the acceptance 'of the pin 32 on
the `container Ztl. The fpin 32 is provided with an annular
coupled =or uncoupled in the field without the use of aux
iliary handling equipment. Preferably, the coupling and 25 groove 44 therein, las is more particularly disclosed in the
uncoupling operation can be accomplished by the tractor
aforementioned copending application, for the acceptance
driver working alone and in such -a manner that the op
of a pin 50 on the arm 40. The pin 50 is engageable
within the >groove 44 to preclude movement 'of the arm
40 axially w-ith respect to the pin 32. The arm 40 is
eration is positive yet completely safe.
The present invention provides for automatic coupling
of a pair -of shipping containers thereby -to .form =a sub
stantially rigid structural unit. Coupling and subsequent
uncoupling are accomplished without requiring auxiliary
equipment by novel ties that `are easily conditioned for
coupling or uncoupling. In addition, positive locking and
freely rotatable about rthe pin 32 to the stored, ready-to
couple, and coupled positions, .as will be described.
The coupling arm 4t) has la reentrantly directed or
gooseneck portion S2 thereon for engagement about the
pin 33 on the adjacent container 21 when the containers
safety mechanisms are Iautomatically engaged to insure 35 2li and 21 are in the `abutting condiiton shown in FIG
the integrity of the coupled assembly.
URE l. rI'he arm 40 has `a downwardly depending por
According, one object of the present invention »is an
tion 56 for the support of ‘a rotatable locking dog 53
improved automatic container tie.
which is secured thereto as by »a pin 60. As ‘best seen in
Another object is lan automatic container tie for trans
FIG. 3, the dog 58 is normally biased clockwise to the
ferring load between a pair 'of shipping containers.
40 locked position as by a spring 62. Clockwise rot-ation of
Another object is `a container tie that is positively en
the dog 58 is restrained by engagement of an end portion
gageable upon movement of la pair of shipping containers
64.» :thereof with an abutment 66 on the depending portion
into abutting relationship with one another.
56 of the arm 4i). The dog 58 precludes oounterolockwise
Another object is an automatic container tie that is
rotation of the :arm 4€) with respect to its supporting pin
en-gageable o-r disengageable from la pair of shipping ycon 45 32, or, in other words, precludcß spurious disengagement
tainers without requiring auxiliary handling equipment.
of the container tie 22 from the pin 33 on the container
Another object is an automatic container tie having in
21, when the container tie 22 is in the coupled position
tegral locking means.
shown in FIG. 2. `Counterclockwise .rotation of ~the dog
Another `object is an automatic container tie that can
SS, which is eñected by simply pushing upwardly on the
be preconditioned for automatic movement to the locking 50 dog 5S as by a rod 7i?, conditions the arm 46 for counter
or unlocking condition.
clockwise rotation about the pin 32. Thus, the container
tie 22 is disengageable. trom the pin 33 on the container
cally lockable safety means for maintaining `the container
21 by simply pushing upwardly on the dog 58 with the
tie in the locked condition.
rod 7 (l thereby rotating the arm 40 oounterclockwise about
Other objects and advantages of the present invention 55 the pin 32 whereupon «th-e container tie 22 is movable to
will be apparent from the following detailed description,
the sto-red condition shown in FIG. 4.
claims `and drawings, wherein:
As best seen in FIG. 3, the container tie 22 is indexed
FIGURE l is aside elevational view of a pair of ship
to the ready-to-couple condition by a latch >ySi) that is
ping containers in rigid coupled relationship supported by
pivotally supported on a pin 82 that extends through a
Another object is a container tie having -an `automati
the tiith wheel of a tractor and ~by a conventional tandem 60 downwardly extending portion 34 of the container tie
wheel suspension;
22. The latch 80 has a latching surface 86 that is en
FIG. 2 is an enlarged view of lan upper container tie
gageable with an end face 9i) of the container 2G. A cam
taken within the circle "2” of FIGURE l;
FIG. 3 is a view similar to FIG. 2 with the container
tie in the ready-to-couple condition;
FIG. 4 is a view similar to FIG. 3 with the container
tie in the stored condition;
lever 169 is pivotally supported by the latch Sil on a pin
192, a lower edge face 1Ü4 of the -lever 100 being slidable
65 on the corner of the container 29.
As the container 21 moves toward the 4container 2i)
due to, for example, backing of the tractor 28 and con
tainer 2t) against the container 21, the container 21 en
FIG. 5 is »an enlarged view of a lower container tie
gages an outer end face y106 of the `cam 190. This
taken within the circle “5” of FIGURE l;
FIG. 6 is a view similar to FIG. 5 with the lower con 70 `biases the latch 80 counterclockwise about the pin 82,
tainer tie in the ready-to-uncouple condition; and
retracting the latching surface 86 of the latch 8G' from
engagement with the end face 90 of the container 20 per
mitting the arm 40 of the container tie 22 to move clock
wise so that the gooseneck portion 52 thereof engages
about the pin 33. _ It is to «be noted that movement of the
arm40 to the lock condition is positive, due to a clock
wise impulse torque applied thereto upon impact of the
cam 100 with the container 21 as it moves into position.
The 'arm 40 also moves to the lock condition due to
gravity. »It is also to lbe noted that, as the armv 40> of the
face 218 thereof into engagement with the latching surface
216 of the jaw 204 to couple the containers 20 and 21
into -a substantially rigid unit. After the jaw 206 has
moved into engagement with the jaw 204, the locking
‘block 260 is rotated from the position shown in FIGS. 6
:and 7 to the position shown in PIG. 5, thus precludiug
clockwise rotation of the jaw 206 »and spurious uncoupling
of the container tie 24.
To condition the container tie 24 for uncoupling, the
container tie 22 lmoves downwardly after release of the 10 lever 240 and block 260 ane rotated to the position shown
latching surface 86, Ithe dog 58 is ñrst biased counter
V»clockwise about the pin 60, upon engagement thereof
with the pin 33, permitting the .gooseneck 52 to engage
about the pin 33. Subsequently, the dog 5S is biased
vclockwise about the pin 60 by the spring 62 to the 15
ylocked condition shown in FIG. 2.
As discussed in the aforementioned application, the
containers 20 and 21 are provided with vpins 200 and 201,v '
in FIG. 6.
Upon movement ofthe containers 20 and'21 toward
one another, which is accomplished as by locking the
brakes on t-he tandem `suspension 30 and backing the
tractor 28 and container `20 toward the container 21,
the latching surfaces 216 and 218 are separated slightly,
allowing the jaw 206 to rotate clockwise under the bias of
the spring 246 to effect luncoupling of the containerV tie 24.
respectively (FIG. 5), at the lower corners thereof. that
Thus, it will be seen that the container tie 24 can be
extend transversely of -a pai-r of recessed faces 202 and 20 conditioned for coupling or uncoupling, which operation
203 on the containers 20 and 21. The pins 200 and 210
can be elïected solely by the tractor-driver by moving the
accept a pair of engageable jaws 204 and 206 which com
containers 20 and 2:1 toward one another.
prise the lower container tie 24. r[The jaw 204 has an
It is to be understood that the speciñc construction of
aperture 208 for the acceptance of the pin 200. The jaw
the improved automatic container tie herein disclosed and
204 also has a’threaded aperture 210 for the acceptance 25 described is presented for the purpose of explanation and
of a Vlocking screw 212 that is engageable with the
illustration and is not intended to indicate limits of the
pin 200 to lock the jaw 204 »thereon at a desired rotative
invention, the scope of which is defined by the following
position with respect to the pin 200. The screw 212 also
precludes axial movement of the jaw 204 otî the pin 200.
’ What is claimed is:
The jaw ‘204 has a gooseneck portion 214 with a 30
l. In a shipping apparatusV comprising a pair of juxta
latching surface 216 thereon for engagement with a com
posed shipping containers having spaced parallel pins
plementary latching surfaceV 218 on a gooseneck portion
220 of the jawV 206.
The jaw 206> is essentially similar in construction to
the jaw 204 and has an aperture `222 for the acceptance of 35
thereon, means for coupling the containers in said juxta
posed relationship comprising lan arm rotatably coupled
the pin 2011 on the container 21 so as to be rotatable
thereabout. The jaw 206 is restnained from axial move
ment'with respect to the pin 201 by a slidabtle pin 230 that
is supported ink a complementary bore 232 in the jaw 206
and is acceptablein an annular groove 233 in the pin 201.V 40
The pin 230 serves -a dual function, as will be described.
A function-‘control lever 240 is pivotally secured to
the jaw 206 as by »a pin 242 that i-s threadably engaged
to one of the pins and having an end portion engageable`
with the other of the pins to .preclude relative movement
of the pins Vaway from each other in a direction generally
normal to the axis thereof, and means on said 'arms for
conditioning the end portion Vof said arm for automatic
engagement with the other of said pins comprising a latch
for holding said arm in a ready-Vto-couple condition and
cam means engageable with the container having the
otherof the pins for releasing said latch to permit saidV ' '
arm to move into engagement with the other of the pins.
2. In a shipping lapparatus comprising a pair of juxta
in a complementary bore 244. A tensioned spring 246
is secured at one end 247 to an end portion 248 of t-he
posed s'hipping containers having spaced parallel pins
lever 240 and at the other end 249‘ to the container 21 45 thereon, means for coupling the containers in -said juxta
as by a bolt 250. Thus, as seen in FIG. 5, the spring 246
posed relationship comprising an arm rotatably coupled '
is conditioned to bias the jaw 206 counterclockw-ise about
to one of the pins and having an end> portion engageable
the pin ‘201. Rotation of the lever 240 about the screw
Y with the other of the pins to preclude relative movement
242 to the position shown in FIG. 6, changes the line
of the pins away from each other in a direction generally
`of -action of the spring 246 with respect to the axis of the 50 normal Vto the axis thereof, a locking dog, resilient means
pin 201 so as to bias the jaw 206 clockwise with respect
for normallybiasing said> dog to the locked position, -said
dog being automatically movable to the unlocked condi-l
A locking block 260 is pivotally secured to the jaw 206
tion upon movement of said arm toward engagement
as by a pin 262 that is threadably engaged in 4a comple
with the other of said pins and automatically movable'
Vmentary bore 264 in the jaW 206. V'I'he block 260 is
to the locked condition upon engagement of saidl arm
normallyindexed to the locked position shown in FIG. 5,
with the other of said pins, and means on said arm for
’ by a'ball detent 266 that is engageable in a complementary
conditioning 'the end portion of said arm for automatic
recess 268 in the jaw 206. Rotation of the block 260 to
engagement with the other of said pins comprising a
the position shown in lFIG. 6 conditions the jaw 206 for
latch engageable with the container supporting saidv one
clockwise rotation under the bias of the Vspring »246, as 60 pin `for holding said arm in a ready-to-couple condition
will be described.
and cam meansengageable with the container having'thel
As best seen in FIG. 7, the jaw 206 is conditioned forV
-other of the pins for releasing said latch to permitsaid=
counterclockwise' rotation about the pin 201 into engage
arm to move into engagement with the other of the pins.
ment with the jaw 204 by advancement of the pin 230 so
that a head portion 270 thereof is engageable under a 65~
stud 272. ` In this condition, an‘outer end portion 274 of
:the pin 230 extends relatively farther out of the support
References Cited in the file of this patent
ing bore 232V in the jaw 206 so that, as the containers 20
and 21 move toward one another, VIthe 'enfd portion 274
Miller _______________ __ Sept; 9, 1873
engages the gooseneck portion 214 of the jaw 204, where 70
Proctor _______ ____-____ Dec. 1, 1896
Kirchner ___________ ____ May 18, 1909
uponthe pin 230 is biased to the light, yas seen in FIG. 7.
Upon movement of the head portion 270I of the pin 230
out from under the stud 272, theY jaw 206 moves coun
Scroker _______________ __, J an. `6, v 1925
Capra ______ ______;.____ July 126,1932
Vterclockwise under the bias of the spring 246. Counter
clockwise rotation oftheY jaw 206 brings the latching sur-î
2,470,706 `
Larson ______________ __ May 17,Z 1949
Schumacher _____ __'.._____ July l, 1958
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