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Патент USA US2407451

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Sept. 10, .1946.
E. RAMSAY
2,407,449
MINE CAR COUPLJER
Filed Feb. 19, 1945
EREKIN E R‘AM SAY
INVENTOR.
Patented Sept. 10, ‘1946
UNITED STATES PATENT OFFICE
2,407,449
MINE CAR COUPLER
Erskine Ramsay, Birmingham, Ala.
Application February 19, 1945, Serial No. 578,683
7 Claims.
1
This application is a continuation in part of
my previously ?led application, Serial No. 543,
305, ?led July 3, 1944.
This invention relates to automatic couplers,
particularly to automatic couplers for mine cars,
and has for an object the provision of apparatus
of the character designated which shall be adapt
ed to conserve space between coupled cars and
(Cl. 213—180)
2
showing the relative positions of the couplers
when the cars are rounding a sharp curve;
Fig. 3 is a partial end view of a car showing the
means for holding the coupling members re
tracted; and
Fig. 4 is a detail view of the coupling members.
Referring to the drawing, I show in Fig. 1 cars
5 and 6;
The end of the car 5 has a circular
thus provide additional loading capacity, which
opening 8 therein to which is joined by welding
may be easily coupled and uncoupled, and which 10 a spheroidal socket number 9. On the adjacent
is simple of design and economical 0f manufac
ture.
A further object of my invention is to provide
an automatic coupler for mine cars which shall
be so disposed and constructed as to permit the
dumping of one car at a time without uncoupling
from other cars.
Brie?y, my invention comprises a socket mem~
ber which is mounted in the end of a mine car,
end of the car 6 is mounted a draw bar member
it which is smaller in diameter than the open
ing 8 and which protrudes from the end of the
car 6 and is adapted to enter the spheroidal
socket 9 on the car 5 to which it is coupled. The
center of the socket 9 and the center of the draw
bar member II] are both located in the long axes
of the cars upon which they are mounted, where
by one car of a string of cars may be dumped in
in the longitudinal axis thereof, and a draw bar 20 any well known form of rotary dumper without
member also mounted in the long axis of the
uncoupling from other cars.
car at the opposite end thereof, the draw bar
As may be seen from a consideration of Fig. 4,
member including pivoted, radially extending
the draw bar member It! is hollow and has pivot
coupling members, or arms, which are adapted to
ally mounted thereon coupling members I! and
enter and engage the walls of the socket mem
I2, each of which is slightly longer than the ra
ber. The coupling members are normally held
dius of the spheroidal socket 9 whereby, when
apart by means of a spring located within the
spaced apart, to the position shown in Fig. 1,
draw bar member and may be retracted by
they engage the walls of the socket member and
chains so as to uncouple the car, which chains
hold
the cars upon which they are mounted cou
connect with the coupling members, and extend 30 pled together. As may also be seen from Figs.
inwardly of the car upon which the coupler is
1 and 2, the outer end I3 of the draw bar mem
mounted and outwardly in position to be engaged
ber is solid whereby to limit the outward swing
by a workman. Inasmuch as the draw bar mem
of the coupling members I! and i 2. It will fur
ber telescopes within the socket member, the
ther be seen from Fig. 3 of the drawing that the
ends of coupled cars may be brought close to
' members II and I2 are pivoted, one above and
gether when coupled, and there need be no more
one below, the draw bar member I El, and have
space between coupled cars than that necessary
their outer ends inclined so as to lie in a vertical '
to permit the inward ?exing of the coupling
plane passing through the center of the draw bar
members.
member. By this means, when coupled cars are
My invention also contemplates that the draw 40 rounding a curve, there is no unequal strain on
the coupling members.
socket permitting su?‘icient lateral and vertical
The coupling members I! and I2 are normally
bar member shall be yieldably mounted in a
track surface.
held in their outward positions, as shown in Figs.
1 and 4, by means of a spring I 5 Which is mount~
ed on a pin H extending transversely of and se
Apparatus embodying features of my invention
is illustrated in the accompanying drawing, in
provided with a loop‘ 18, see Fig. 4, which passes
movement to permit the cars to go around sharp
curves and to accommodate inequalities in the
which
Fig. 1 is a vertical sectional view showing cou
pled cars having my improved coupler mounted
thereon and showing in dotted position the ac
tion of the couplers in passing over inequalities
in the track;
Fig. 2 is a sectional plan view of coupled cars
cured in the draw member 18. The spring It‘ is
around the pin I‘! and is thereby held in place.
The arms of the spring extend straight outward
ly, as may be seen in Fig. 4 to engage the cou
pling members H and I2. Connected to the cou
pling member II is a chain I9 and connected to
the coupling member I2 is a similar chain 2!.
The chains I9 and 2i extend through the hollow
coupling member It and end 6 of the car and
2,407,449
.4
then upwardly through a guide 22 to be secured
at 23 to the upper edge of the outside of the car.
ing, coupling members pivotally mounted on the
draw bar member and adapted to spread apart
Pins 24 and 25 are provided on the car 6 around
which the chains l9 and 2| may be hooked
spring for holding the coupling membersv apart,
to hold the coupling members retracted.
Whenever it is desired to uncouple the cars, the
members and adapted to draw them together to
and engage the sides of the spheroidal member, a
and flexible means connected to the coupling
clear the sides of the opening in the socket mem
ber and uncouple the cars.
2. Apparatus as de?ned in claim 1 in which one
the chains l9 and 2] are grasped by a Workman
and pulled, whereupon the tension of the spring
[6 is overcome and the coupling members i l and
I2 are drawn towards each other so that they will 10 of the coupling members extends upwardly from
the draw bar member and the other downwardly.
clear the sides of the opening 3. If it be desired
3. Apparatus as de?ned in claim 1 in which the
to hold the coupling members H and I2 in their ,
retracted positions, the chains l9 and 2| are ' spheroidal socket member and the draw bar mem
ber are mounted in the longitudinal axis of the
hooked over the pins 24 and 26.
car.
'
A particular feature of my invention resides in
4. Apparatus as de?ned in claim 1 in which the
the mounting of the draw bar member whereby to
draw bar member is hollow and uncoupling chains
accommodate relative angular or lateral and ver- .
extend through the draw bar member inwardly . >
tical movements between the cars as when going
of the ,car, and then outwardly so as to be acces
around curves and when passing over uneven
tracks. The car 6 upon which the draw bar is 20 sible to the end of the car and may be grasped
to pull the coupling members together andallow
mounted, as shown in the drawing, is provided
with an end opening 2?. A cylindrical socket
member 28 is mounted within the body of the
the draw bar member to be withdrawn from the
socket member.
considerably larger than said opening, The draw
'
'
5. Apparatus as de?ned in claim 1 in which one. ,
car, surrounding the opening 2.‘! and of a diameter
2,5
bar member in has a shank 29 with an elongated
of the coupling members'extends upwardly from
the draw bar member and the other downwardly
and both are inclined at their outer ends so as
slot 3i therein extending rearwardly into the
to lie in a vertical plane passing through the draw 7
cylindrical socket member 28. A spring 32 sur
bar member.
a
rounds the shank 29 and is restrained at the end
6. In apparatus for coupling cars together, a
of the shank by meansof a ring 33 secured to 30'
spheroidal socket member mounted in the end'of
the shank by means of a pin 3%. At the other end,
one car, and having an opening through the end
the spring is restrained by means of a ring 35
of the car, a draw bar member mounted on an
which passes around the shank 29 and is welded
adjacent car and smaller in diameter than the
to end of the car. A pin 31 passing downwardly
opening, and adapted to enter through said open
through the slot 3! prevents the draw bar from
ing, coupling members pivotally mounted on the
turning. On the outside of the end of the car
draw bar member and adapted to spread apart
I also provide a rubber cushion 33 surrounding
and engage the sides of the spheroidal member,
the opening 2? which is held in place by means of
a spring for holding the coupling members apart,
a plate 39 and pins 4!.
'
?exible means connected to the coupling members
With the apparatus mounted as just described,
and adapted to draw them together to clear the.
when the cars are rounding a sharp curve as
sides of the opening in the socket member and‘,
shown in Fig, 2 of the drawing, the pad 38 is
compressed and the shank of the draw bar mem
ber is swung around in the socket 28. When
passing over uneven tracks so that one car as
sumes a higher position than the other, as shown
in Fig. 1, the draw bar member swings about the
ring 36 to assume the dotted position indicated,
the spring 32 being compressed to allow for the
unoouple the cars, a shank on the draw bar mem_.
ber, a socket on the. end of the car larger in cross
sectional dimensions than’ the shank and into ' V
‘ which the shank extends, and 5 ring means
retaining the shank in the socket.
_
,7
'1. In apparatus for coupling cars together, a
spheroidal socket member mounted in the end of
50 one car, and having an opening through the end
of the car, a draw bar member mounted on an
From the foregoing it will be apparent that I
altered positions.
have devised an improved automatic coupler for
mine cars which greatly diminishes the distance
between coupled cars and which is simple of de
sign and operation and economical of manufac
ture.
While I have shown my invention in but one
form, it will be obvious to those, skilled in the
art that it is not so limited, but is susceptible of
various changes and modi?cations, without de
parting from the spirit thereof, and I desire,
therefore, that only such limitations shall be
adjacent car and smaller in diameter than the
opening, and adapted to enter through said open
ing, coupling members pivotally mounted on the
draw bar member and adapted to spread apart
and engage the sides of the spheroidal member, a ‘
spring for holding the coupling members apart,
?exible means connected to the coupling members
and adapted to draw them together to clear the
sides of the opening in the socket memberand.
uncouple the cars, a slotted shank on the draw
bar member, a socket in the end of the car on
which the draw bar member is mounted and
larger
in cross sectional dimensions than the.
the appended claims.
65 shank and into which the shank extends, a spring
What I claim is:
surrounding the shank, means on the end of the
1. In apparatus for coupling cars together, a
shank for restraining one end of the spring, and
spheroidal socket member mounted in the end
a pin passing through the slot in the shank and
of one car, and having an opening through the
placed thereupon as are speci?cally set forth in
end of the car, a draw bar member mounted on
an adjacent car and smaller in diameter than the
opening, and adapted to enter through said open4
held against outward movement for restraining
the other end of the spring.
ERSKINE RAMSAY.
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