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Патент USA US2085353

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June 29, 1937.
_
\
J. CULEMEYER ET AL
2,085,353
CONVEYANCE FOR TRANSPORTING RAILWAY CARS AND THE LIKE BY ROAD
Filed June 9, 1934
4 Sheets-Sheet l
/NVENTOR6'
(701mm (Zia/Myer.
lid/fairy fade.
ATTORNEY. M47
June 29, 1937.
J. CULEMEYER El‘ AL
2,085,353
CONVEYANCE FOR TRANSPORTING RAILWAY CARS AND THE LIKE BY ROAD
'
Filed June 9, 1934
_
ATTORNEY.
4 Sheets-Sheet 2
701/ my Z0676’
‘
June 29, 1937-
J. CULEMEYER ET AL
2,085,353
CONVEYANCE FOR TRANSPORTING RAILWAY CARS AND THE LIKE BY ROAD
Filed June 9, 1954
4 Sheets-Sheet 3
INVENTORS.
(Ta/mm! ('v/mreyen
ll’al/yax jade.
ATTORNEY.
M1
June 29, 1937.
J. CULEMEYER ET AL
2,085,353
CONVEYANCE FOR TRANSPORTING RAILWAY CARS AND THE LIKE BY ROAD
Filed June 9, 1934
4 Sheets-Sheet 4
'NVENTORS
Wire/m t'alameyer
‘Walf‘yanf jade .
ATTORNEY.
Patented June 29, 1937
UNiTED STATES FATE 1'
QFFIQE
2,085,353
CONVEYANCE FOR TRANSPORTING RAIL
WAY CABS AND THE LIKE BY RQAD
‘Johann 'Culemeyer, 'Berlin-Charlottenburg, and
Wolfgang Bode, Berlin-Grunewald, Germany,
assignors to Gothaer Waggonfabrik Aktienge
sellschaft, Gotha, Germany
Application June 9, 1934, Serial No. 729,920
In Germany June 9, 1938
3 Claims. (Cl. 280—80)
The method now ‘generally adopted fortrans
stands in the channels of longitudinal members b
porting railway cars by road consists in using a of the platform or bridge of the trailer, the mem
tractor and.- a trailer, supporting the front part bers being of U-section. The rear axle of the
and the rear part of the car respectively, and for
5 some reasons the best form of trailer is one hav
ing a forwardly extending platform or bridge
resting on a rotatable saddle or swivel seat on the
car is over the wheels 0 of the trailer, and the
front axle is over the rear wheels of, e of the trac
tor s. The trailer wheels 0 are carried by stub
Ul
axles f pivoted to transverse members 111 of the
tractor, as by this means additional load is placed bridge, and are connected to each other by springs
on the tractor, causing the wheels thereof to g and balance levers It so that the load is evenly
10 obtain a suf?cient grip on the road, though the distributed on them.
tractor itself may be comparatively light. A
At each side of the rear part of the tractor
defect of such tractor and trailer combinations, as . there are three wheels, namely two wheels d side
heretofore constructed, is that the front wheels by side and a wheel e running in the track of the
of the railway car cannot be brought su?iciently outer wheel :1. The wheels e are carried by stub
:5 far forwards to place the load well over the rear
axles and the groups of wheels d are cap-able of 15
wheels of the tractor. This is due to the fact that swinging in the direction of travel. The two
the front part of the platform or bridge referred wheels d belonging to- each group are connected
to has an upward bend, to enable it to rest on the to each other by a balance lever, and at its ful
swivel seat, and this bend limits the forward run
crum this lever is connected to a spring 2' con
20 of the car. Of course it would be possible to raise
nected to the stub axle of the wheel’ e. A trans
the level of the platform throughout, so that no
verse member Ic of the tractor under frame rests 20
upward bend is required in front, but then the car on the spring 2'. The wheels d are .driven by the
would be so elevated that in many cases it could tractor engine, by vmeans of three differential
not pass under bridges or through tunnels, and gears A. Transmission from the outside differ
25 the center of gravity would be too far above the ential gears A to the wheels may be by means of
ground.
.
chain and sprocket gearing or toothed gearing,
According to our invention the platform or the gear being in gear cases A1 pivoted upon the
bridge of the trailer is carried forwards to the rear driving shafts A2.
wheels of the tractor, but its general level is never
The swivel seat for supporting the bridge .1)
30 theless kept low.
on the tractor s is a rotatable disk T, which may
Embodiments of the invention are shown in the rest on ball or roller bearings, but alternatively
accompanying drawings.
there may be a plain pivot with a ?at supporting
Figs. 1 to 3 show one embodiment, Fig. 1 being surface around it, or a dished seat for engaging
an elevation of a tractor and a trailer with a
a spherical boss on the trailer.
35 railway vehicle thereon, [partly broken away,
In the modi?cation shown in Fig. 4 the three
and Fig. 2 being a plan view of the tractor and rear wheels at each side of the tractor are car
trailer. Fig. 3 shows part of one of the trailer ried by a frame or spider o= engaged with guides
axles, with a wheel and part of the platform, to 01 which prevent wabble of the wheels. The
alarger scale.
E Q ‘
spring i is ?xed to the spider at the center of
Fig. 4 is a plan view showing a method of gravity of the wheel system.
mounting two side wheels of a tractor.
In the modi?cation shown in Figs. 5 and 6 the
Figs. 5 and 6 are respectively a side view and two wheels (Z side by side are connected by a
a plan view, illustrating another method of balance lever m, and a cantilever wheel i connects
mounting the tractor wheels.
this lever to the stub axle of the spring e, so that
Fig. 7 is a sectional side view showing one there are several pivotal connections through
form of coupling between the tractor and trailer, which the wheels take the load. A member if
and Figs. 8 and 9 are plan views to a larger scale, ?xed to the under frame of the tractor rests on
showing detailsv thereof.
the springs
this member 15 being arched over
Figs. 10 and 11 are plan views showing an
the wheels d and having inverted cups Z whereby
other form of coupling.
it rests on rounded bosses on the springs. These
Figs. 12 to 14 show another form of coupling, cups and bosses are so placed that the load is
Fig. 12 being a side view and Figs. 13 and 14 evenly distributed on the wheels.
being plan views to a larger scale.
Figs. 7, 8 and 9 show a construction of the
Referring ?rst to the composite conveyance swivel
seat in which there is a step bearing 10
Cr shown in Figs. 1, 2 and 3, the railway car a, separate from the pivot bearing u. The bearing
2
2,085,353
p is arcuate, conforming to a segment of a circle
having its center at the axis of the pivot u, and
at the front end of the trailer bridge there are
two projections q, which rest on the bearing p,
and can slide thereon.
Fig. 9 shows a coupling on the trailer, for
automatically engaging the pivot. As shown in
Fig. 7 the trailer has a retractable wheel 01 near
the front end of its bridge, for‘ supporting the
same
till the coupling is engaged. The wheel is
10
carried by a lever 02, which can be rocked by
means of a screw spindle c‘3 and swivel nut c4
for lifting the wheel.
15 backed on to! the trailer.
The pivot u enters the
gap between the two projections q and forces
apart two pivoted jaws o thrust towards each
other by springs 121, which cause the jaws to
grip the pivot when the pivot lies between two
arcuate portions thereof. The jaws are then
which project from its ends. When the part q3
is pushed between the ?anges y these pins are
thrust inwards till they‘ face recesses e2 in the
?anges, into which they engage. Studs on the
pins are engaged with slots in bell crank levers
.23, which can be rocked by means of a cord for
1O
disengaging the pins from the recesses 22.
What we claim as our invention and desire to
secure by Letters Patent of the United States
1. In a composite road vehicle the combina
15
tion of a trailer‘ having road wheels and a plat
form between said wheels below the level of the
tops thereof, and a tractor having trailing wheels
and a swivel seat supported below the tops of
said Wheels and adapted to connect the trailer
to the tractor whereby the front end of said 20
platform is supported between said trailing
locked by means of a shackle v2.
The opening of the jaws is effected by a spin—
dle a: which is rotated by a hand wheel m1 and
has a right and left hand thread engaging with
nuts y slidable in the forked ends of arms 3
revoluble on the pivot‘ pins 32 of the jaws 22.
Turning the spindle in one direction causes the
arms 2 to swing inwards so that they engage ex
tensions y3 on the jaw members and thereby
‘
Figs. 10 and 11 show a modi?cation in. which
a coupling device similar to that shown in Fig. 9
is provided on the tractor, behind the step bear
ing, the pivot 11.1 being‘ in this case of course on
the trailer.
a bore containing a spring a and two pins .21
1s:-
-
For engaging the coupling the tractor is
open the latter.
tween which the part (13 lies. For locking the
part q3 upon the member a: the ridge wl has
The part q of the trailer, resting on
the step bearing, need not in. this case have a
gap for passage of the pivot. The pivot u1 on
the trailer is on the underside of the trailer plat
form, and is consequently not in view when the
coupling is being made, for which reason the
construction shown in Figs. '7, 8 and 9 is gen
erally to be preferred.
Figs. 12, 13 and 14 show a modi?oation‘in
wheels below the tops thereof.
‘
2. A composite road vehicle for transporting
railway cars, comprising a tractor having rear
wheels, a railway car carrying platform, road
wheels supporting said platform at a zone
beneath the rear wheels of the railway car sup
ported thereon, and a swivel seat onv said tractor
between the tractor rear wheels and below the
level ofthe tops thereof, adapted to connect the '
front end of said platform to said tractor so that
the front wheels of the car carried by the plat
form are directly over a zone supported by the
rear wheels of said tractor.v
3. A composite road vehicle for ‘transporting A
railway cars, comprising a tractor having rear
wheels, a railway car carrying platform, road
wheels jupporting ' said ‘platform
at
a
zone
beneath the rear wheels of the railway car sup
ported thereon, and means for coupling the front
end of said platform to said tractor so that the
front wheels of the car carried by the platform
are directly over a zone supported by the rear
step bearing 103, with which it is engaged by
wheels of said tractor, the surface of said plat
form being parallel to the ground and at a level
beneath the tops of the: wheels supporting the
means of a bracket 103.
same.
which the tractor has upon, it a member 1: rotat
45 ablepabout the pivot a3 and slidable upon the
The part resting on the
step bearing is in the form of a trough to, into
which a ridge w1 on a projection Q3 of the trailer
?ts. The member as has lateral ?anges y be
JOHANN CULEMEYER.
WOLFGANG BODE.
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