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Патент USA US2104865

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Iam. 11, 1938..
G., T. JOHNSON; EKAL
2,104,865
E’ILOT AND PILOTI' GOUREEJRî
Efïled Nov. 6;, 19255:'
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Jan. 11, 1938.
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PILOT AND PILOT COUPLER
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2,104,865
Jan. 11, 1938.
G. T. `joHNsoN Er AL
2,104,865
PILOT AND PILOT COUPLER
Filed NOV. 6,; 1935
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G. T. JOHNSON Er A1.
2,104,865
PILOT AND PILOT COUPLER
Filed Nov. 6, 1935
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5 Sheets-Sheet 4
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G. T. JOHNSON n A1.
2,104,865
PILOT AND PILOT CÖUPLER
Filed NOV. 6, 1935
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5 SheetsA-Sheet 5
2,104,865
Patented Jan. 11, 1938
UNITED STATI-:s PATENT OFFICE
2,104,865
PILOT ' AND PILOT COUPLER
George T. Johnson and Harry H. Wolfe, Colum
bus, Ohio, assignors to The Buckeye Steel
Castings Company, Columbus, Ohio
^
'
Application November 6, 1935, Serial No. 48,573
(ci. 213-4)
18 Claims.
tive pilot coupler, coupler pocket and coupler
novel features hereinafter described in detail,
illustrated in the accompanying drawings and
more particularly pointed out in the appended
operating mechanism.
claims.
This invention relates to improvements in train
couplers and more especially to a novel locomo
5
l
v
5
In the drawings:
Fig. l is a front elevation of a locomotive pilot
provided with one form of our improved coupling
Most locomotives used in train. service do not
require constant use of the\pilot coupler, and the
pilot coupler is notused at all by the locomotive
When it is at the front end of freight or passenger
v
mechanism.
10 safety, not to have a pilot coupler projecting be
'_ yond the contour of the locomotive pilot' when
Fig. 3 is a similar view with the coupler in pro- _
jected position,
. the locomotive is 4at the front end of the train, due
‘
Fig. 4 is another top plan view with the coupler
operating mechanism removed.
to the coupler catching highway vehicles at grade
crossings and rolling the vehicles in front of or
l Ul under the Vfront end of the locomotive, thereby
Fig. 5 is a Vertical sectional view taken on the
15
line 5--'-5 of Fig. 2. '
causing der-‘ailment of :locomotive and ` greater
damage to occupants of both highway vehicles
and trains than if the pilot is free of projections,
giving the vehicles more chance to be thrown to
one side or the other of the locomotive.
Fig. 6 is a detail of the coupler link'operating
mechanism taken on the line 6_6 of Fig. 3.
Fig. 'I is a perspective view of the operating
mechanism shown detached from the pilot.
_
The following are the main objects of the in
vention:
»
Fig. 2. is a top plan view of the same with the
coupler in retracted position.
` trains. '- It is desirable, from the standpoint of
Fig. 8 is a Vertical sectional view of a modiñ
cation and showing the coupler in retracted posi
'
_
_1. A pilot coupler lthat may be readily swung , tion.
Fig. 9 is a similar view with the coupler in pro
>to a position within the contour of the pilot when
jected position.
_
25
not used in coupling.
Fig. 10 is _a plan view of the carrier iron of the
2. A pilot and coupler arranged so that when
'
the coupler is moved from. its coupling position mechanism shown in Figs. 8 and 9.
Fig. 1l is a side elevation of said iron.
it is retainedy in a .position which frees the pilot
Fig. l2 is a top plan view of the modification.
from »any projecting surfaces.
Fig.r 13 is a front elevation of the same..
_ . 3. A coupler having its surface contour ar
. in Figs. l to 7 inclusive, I9 designates a locomo
~ position thecoupler presents a surface conform
tive pilot having a pocket 20 which may be cast
integral with the pilot or may be a separate cast
ling secured to the pilot in any suitable way. In 35
other words, the pocket casting may be a sepa
ing substantially _tothe contour of the pilot.
4. A pilot, coupler, and'coupler-operating mech
anism arranged so that when the coupler is moved
from its coupling position the coupler-operating
rate unit 'adapted to be secured to the other parts;
it may be integral «with the pilot beam at the
upper end of -the pilot; the pocket casting, pilot
beam and pilot may be integral; the pocket cast
ing and center portion of the pilot may be inte
mechanism also moves into a position that-elimi~
nates any projections in front of the pilot and is
- retained in its out-of-the-way position.
4o
5. A pilot having a substantially unbroken con
tour and a coupler arranged in a pocket of the
gral or any other suitable combination of the
front end castings maybe employed within the l
pilot in a manner so that when it is desired to
` couple at the pilot end of a locomotive the cou
pler head projects for coupling.
.
.45
The invention is just as applicable to the rear
end of “stream-lined” trains or to the front and
rear of rail motor -car units or other equipment
on which it is desirable to “stream-line” or shroud
the ends. Therefore, a further. object of the in
50 vention is to supply improved couplers, coupler
pockets and coupler-operatingA devices especially
suitable for such purposes.
‘
With the foregoing objects outlined -and with
30
Referring to the form of the invention shown
ranged so that when it is moved from its coupling
‘
spirit of our invention.
.
.
In connection with the foregoing it may be 45
explained that the pilot is considered to be the
-sloping-portion below the pilot beam and in these
cases the pilot beam has the same slope as the
pilot.
At the rear end of a “stream-lined” train or 50
car, neither a pilot _nor a pilot beam is used, al
though a sloping shroud may Vor'may not be em
ployed. In accordance with our invention the
_pocket casting may be separate from or integral
l 55l other
description
objects
proceedsthe
in view which
invention
will appear
consistsas
in the _ with the shroud or rear end of such a train or car. 55
2
2,104,865
' A coupler 2| of special form is pivotally mounted
in the pocket on a vertical pin 22 so as to allow
portant to limit the angling of the coupler by
the coupler to be moved in a horizontal plane.
tioned previously the substantial limiting stop
afforded by key 24 when the coupler, in coupling
This allows the coupler to be moved from re
tracted to coupling position, and when the cou
pler is housed in the pocket its front face con
forms with the face of the pilot to substantially
eliminate any projecting parts.
For the purpose of holding the coupler in
10 housed position, the tail of the coupler is provided
with a notch 23 to engage a retaining pin 24 that
may be inserted in holes 25 and 26 in the top and
bottom respectively of the pocket. The same pin
or key limits the swinging movement of the cou
15 pler in one direction when the coupler is in cou
pling position, for in such position the notch 41
` in the pilot-contoured side of the coupler can en
gage the pin. Of course, the pin is: removed
when it is necessary to swing the coupler from
20 retracted to coupling position or vice versa.
The roof of the coupler pocket is provided with
an arc-shaped notch `21 to accommodate the
lock-lifting mechanism of the coupler and when
the coupler is in housed position, a. horn 28 on
25 the coupler projects into and closes said slot.
The lock-lifting mechanism consists of a hori
zontal rock shaft 29 pivoted in bearings; 30 on the
top of the pilot and having handles 3l at its ends
means of substantial limiting stops.
We men
position, is angling toward lthe guard arm side. C1
The substantial limiting stop, when the -cou
pler is angling toward the knuckle side in cou
pling position, is that on the pilot defined by the
substantially triangular surface 42 of the pilot
contacting a corresponding surface on the pilot 10
contoured surface of the coupler. This stop has
¿been developed from the` standpoint of providing
suitable bearing area without exposing excessive
opening in the pilot contour when the coupler is ,
in non-coupling position. The opening which in
this construction is exposed, is of the form
of a triangular based pyramid as shown at 43 in
Fig. 1.
.
'
From that iigure our arrangement of related
surfaces fulfilling .the following important re
lated requirements may be seen:
(1) Substantially complete closure of the pilot
contour along the line 44.
_
(2) Clearance as afforded by space between
the knuckle side of the coupler and the edge 45 25
of the contoured plate to allow:
«
`
‘
a. Knuckle to swing open for coupling.
b. Clearance for guard arm of engaging
coupler.
'
.
to allow the mechanism to be operated from
(3) Substantial bearing area 46 at butt end of 30
An arm 32 projects for
wardly from the rock shaft and terminates in a » shank is effected by proper consideration having
horizontal loop 33. A link 34 has an eye 35 at been lgiven to requirement (2) and the require
one end engaging one side of the loop 33 and ment of providing suiiicient horizontal angling of
coupler (in coupler position), toward -knuckle
from this side' of the loop 33 the link 34 extends
30 either end of the pilot.
35 over and rests on the opposite side of the loop.
'I'he link is offset at 48 to provide a substantially
vertical shoulder which abuts the inner surface
ofthe last mentioned side of the loop and causes
the link 34 to move concentric with the pin 22,
40 thus preventing the eye from binding on the rear
of loop 33. An eye 36 at the opposite end of the
link engages any suitable connecting means, such
~as a hook 31 projecting from the locking mech
anism of the coupler. The flexible joints pro
45 vided by such mechanism allow the coupler to be
moved from housed position to coupling position
without interference by the operating mechanism
of the coupler lock. For the purpose of holding
the link 34 in the desired positions, a hump 38
50 is arranged on the ,loop 33. When the link 34
is rearwardly of the hump, the latter will- pre
vent the link from moving forwardly while the,
coupler is in housed position. On the other hand
when the coupler is projected, the link will ride
55 over the hump and then the front end of the
hump will prevent the link from moving rear
wardly.
'
'
-
'
^ From Fig. 2, it may be seen that when the cou- .
pler is in closed position any force acting against
60 the contoured plate on the coupler will be re
strained at three places,y namely: pin 24, pin 22,
side, and the requirement of avoiding excessive 35
opening at the edge 43 when the coupler is ’in
non-coupling position.
`
It should be understood that- the rear end of
the coupler when in coupled position abuts the
rear wall of the pocket as shown at 46 in Fig. 3.
40
In the modification shown in Figs. 8 to 13 in
clusive, the coupler swings downwardly into
housed position instead of side ways. Referring
to the last-mentioned figures, 56 designates a
horizontal pivot pin on which a sleeve 5l rocks. 45
This sleeve has a projecting arm 52 on which is
pivoted the rear end of the coupler 53 by means
of a pivot pin 54. The coupler in this instance is
provided with a pilot-contoured plate 55 and this
has a hole 56 to accommodate the lock-lifting
mechanism of the coupler which may be of the
same construction shown in Fig. 'l with the ex
ception that the hook 31 willÑ have to be con
nected to the eye 51 of the lock-lifting portion of
the coupler by means of a suitable detachable 55
fastening.
,
When the coupler is in housed position an
abutment 58 on the coupler will engage a sta
tionary abutment 59 of the pocket casting 60, and .
a- removablepin 6| may be passed through a 60
sleeve 62-in the roof of the pocket and engage
the coupler for holding it in non-coupling posi
and through the guard arm of the coupler abut
ting the rear wall of the pocket.
' tion. When the pin is removed the coupler may
be swung~ into coupling'position, illustrated in
It is customary to provide locomotive pilot cou
plers with means` for adjusting coupler height, Fig. 9, and- then the carrying iron 63 may be 65
and for the purposes of the present invention, swung upwardly to form a bearing support for
shims 39 may be arranged on the pivot pin 22 the coupler. The carrier iron is pivotallybetween the top of the coupler and the roof of mounted as shown at 64 on one side of the pocket
and when the iron is swung from -vertical to
. the pocket. Other shims 40 may be used if de
horizontal position >it can `bev heldin the latter 70
sired. These Íwill surround the upwardly pro
ljecting boss 4l on the floor of the pocket and »position by passing a retaining key_ 65 through
for'm a bearing for the lower e'dge'of the coupler. apertures 66 and 61 provided respectively in the
pocket and carrier iron.
In -coupler applications it is important to pro
In order to allow horizontal swinging move
vide freedom for horizontal angling of the cou
pler in coupled positions. It is furthermore im
ment ofthe coupler when in coupling position,
`
3
2,104,865
a clearance space 68 is provided between the . ment, a link connecting the lock-lifting element
sleeve 5| and the coupler,.and the pocket cast
ing has notches 69 to accommodate the edges of
the pilot-contoured face 55 of the coupling.
In the foregoing description we have explained
our invention in connection with a pilot, but as
heretofore mentioned, the invention is not to
be confined to such use as it can also be ern
ployed at the rear end of “stream-lined” trains
and having an eye at one end thereof, a rock
shaft, an arm projecting from the rock shaft
and having a loop, >said link resting on said loop
and the eye of the link surrounding a portion of Cil
the loop.
5. In improvements of the character described,
a locomotive pilot having a pocket, a coupler
adapted to be housed in the pocket and movably
10 or at'the front and rear of rail motor car units
mounted to permit the same to be moved from a 10
or in the equipment on which it is desirable to
“stream-line” or shroud the ends. It will there
position within the pocket to coupling position
and vice versa, said coupler having a pilot-con
toured plate substantially conforming with the
contour of the pilot when the coupler is in'housed
position, said coupler having a lock-lifting ele 15
4fore be understood that in the following claims
where We refer to “a locomotive pilot having a
pocket”, we intend -this expression to also in
clude a pocket arranged in the rear end of
“stream-lined” trains or in the front or rear of
rail motor car units or other equipment on which
ment, a link connecting the lock-lifting element
and having an eye at one end thereof, a rock
toured- plate of the coupler will conform to the
shaft, an arm projecting from the rock shaft and
having a loop, said link resting on said loop and
the eye of the link surrounding a portion of the 20
loop, and means for holding the link in different
shape of the shroud or end of the car or the like.
positions.
it is desirable to, “stream-line” or shroud the
ends. Obviously in such constructions the con
While we have disclosed what we now consider
6. In improvements of the character described,
to be preferred embodiments of the invention,
a locomotive pilot having a pocket, a coupler ’»
we are aware that changes may be made in the
adapted to be housed in the pocket and movably
mounted to permit the same to be moved from a~
detailsv disclosed without departing from thd
spirit of the invention as expressed in the claims.
What is claimed and desired to be secured by
position within the pocket to coupling position
and vice versa, said coupler having a pilot-coni f
a locomotive pilot having a pocket, a coupler
toured plate substantially conforming with the
contour of the pilot when the coupler is in housed 30
position, said coupler having a lock-lifting ele
Letters Patent is:
-
1. In improvements of the character described,
adapted to be housed in the pocket and movably
ment, a link connecting the lock-lifting element
mounted to permit the same tol be moved from a
and having an eye at one end thereof, a rock '
position within the pocket to coupling position
shaft, an arm projecting from the rock shaft
and having a loop, said link resting'on said loop 35
and the eye of the link surrounding a portion of-
and vice versa, said coupler having a pilot-con
toured plate substantially conforming with the
contour of the pilot when the coupler is in housed
the' loop, and a hump mounted on one of said
position, said coupler having a lock-lifting ele
-members for holding the link in different posi
ment and the pocket having a slot to accommo
tions.
'7. In combination, a pilot having a pocket, a _;
40 date said element when the coupler is moved
into housed position.
~
'
,
vertical pivotA pin'in the pocket, a coupler pivot
2. In improvements of the character described, ally mounted on said pin, shims cooperating with
a locomotive pilot having a pocket, a coupler the pivot pin and coupler for adjusting the coupler
adapted to be housed in the pocket and movably height, said coupler having a pilot-contoured face
mounted to permit the same to be moved from a
which substantially closes the mouth of the pocket .1
position within the pocket to coupling position when the coupler is in housed position, said cou
and vice versa, said coupler having a pilot-con . pler having a lock-lifting element and said pocket
toured plate substantially Iconforming with the being slotted to accommodate said element.
contour of the pilot when the coupler is in housed
8. In a pilot coupler having a vertical pivot pin,
a rock shaft, an arm rigid with the rock shaft
50 position, said coupler having a lock-lifting ele
`ment and the pocket being provided with a slot and terminating in a loop, said loop being con
to accommodate said element, and means for
centric with the axis of the pivot pin, a link rest
closing said slot.
ing on said loop and having an eye at one end en
‘
3. In improvements of the character described,
gaging said loop, the opposite end of the link be
a locomotive pilot having a pocket, a coupler . ing provided with means for connecting the same ,
adapted to be housed in the pocket and movably to a lock-lifting element of a coupler.
9. In a pilot coupler having a vertical pivot pin,
mounted to permit the same to be moved from a
position within the pocket to coupling position a rock shaft, an arm rigid with the rock shaft
and terminating in a loop, said loop being con
and vice versa, said coupler having a pilot-con
toured plate substantially conforming with the centric with the axis of the pivot pin, a link
contour -of the pilot when the coupler is in housed resting on said loop and having an eye at one end
position, said coupler having a lock-lifting ele
ment and the pocket being provided with a'slot
being provided with means >for connecting the
to accommodate said element, and means for
closing said slot, the last-mentioned means com#
prising a horn projecting from the coupler. ì
of said parts being provided with a hump for
holding the link in different positions relatively
4. In improvements of the character described,
a locomotive pilot having a pocket,- a coupler
l adapted to be housed in the pocket and movably
mounted to permit the same to be moved from a
engaging said loop, the opposite end of the link
same to a lock-lifting element of acoupler, one
to lsaid loop.
l
'
.
'10. In mechanism of the character described, a
coupler having a vertical pivot pin, a horizontal
rock shaft, an arm fixed to the rock shaft, pro
position within the pocket to coupling position jecting forwardly therefrom and terminating in
and viceversa, said coupler having a pilot-con
a horizontal loop, said loop being concentric with
toured plate substantially conforming with the the axis of said pivot pin, a substantially hori
contour of the pilot when the coupler is in housed , zontal link having its medial portion resting on
one side of said loop, the rear end of the link 75_
75 position, said coupler having 'a lock-lifting ele
' 4
2,104,865
having an eye engaging the opposite side of the
loop, and means at the front end of the link for
engaging a lock-lifting element of said coupler.
Ul
11. In mechanism of the character described a
horizontal rock shaft, an arm fixed to the rock
shaft, projecting forwardly therefrom and ter
minating in a horizontal loop, a substantially
horizontal link having its medial portion resting
on one side of said loop, the rear end of the link
10 having an eye ~engaging the opposite side of the
.~loop, and means at the front end ofthe link for
engaging a lock-lifting element of a coupler, said
loop having a hump projecting upwardly and co
operating with the link for limiting sliding'move
ment of the link on the upper surface of the loop.
12. In mechanism of the character described, a
locomotive pilot having a pocket, a vertical pivot
pin in the pocket, a coupler mounted for turning
movement on said pin and having a pilot-con
20 toured face, said coupler having a lock-lifting
element, and means for lifting the last-mentioned
element, said means having a swivel~ joint in line
with the axis of the pin to allow a portion of said
contour of the pilotwhen the coupler is in housed
position, said plate being notched and said coupler
also~ being notched, and a retaining pin cooperat
ing with said notches for holding the coupler in
housed position or for Hunting movement of the 5
coupler when it is in coupling position. .
16. In improvements of the character described,
a locomotive pilot having a pocket, a coupler plv
Íoted for movement about a vertical axis and mov
able from a position within the pocket Ito coupling 10
position and vice versa, said coupler having a
lock-lifting element, a link connected to the lock
lifting element and having an eye at one end
thereof, an arm projecting fromv the rock shaft
and having a loop, said loop being concentric with 15
said axis, said link resting on one side of said loop
and the eye of the link surrounding the opposite>
side of the loop, the link having an oiîset portion
forming a shoulder engageable with the inner
surface of the loop at the first mentioned side of 20
the latter.
,
"
-
means to move With the lock-lifting element of
417. In mechanism of the character described, a
locomotive pilot having a pocket, a coupler adapt
ed to be housed in the pocket and movably mount
the coupler when the latter is swung from a
ed to permit the same to be moved from a posi
housed position with the pocket to coupling posi`~
tion and vice versa.
tion withinthe `pocket to coupling position and
i vice versa, saidcoupler having a pilot-contoured
v
13. In mechanism of the character described, a
face for substantially closing the `mouth of the
locomotive ypilot having a pocket, a horizontal ' pocket when th'e coupler is housed' within the
30 pivot pin in the pocket, a member mounted for pocket, a pivot pin connecting the _coupler to the 30
rocking movement about the axis of said pivot pocket, and a removable key for retaining the
pin, a second pivot pin carried by said member ` coupler in housed position, the head endl of the
and having its axis arranged at an angle to the coupler when in housed position being adapted to
35
axis of the ñrst-mentioned pivot pin, a, coupler
swiveled on the second pivot pin and having a
pilot-contoured plate to close the mouth of the
pocket, and a movable carrier iron for supporting
the coupler when the latter is in coupling position.
14. In improvements ofgthe character described, `
40 a locomotive pilot having a pocket, a coupler
adapted' to be housed in the pocket and movably
mountedvto permit the same to be moved from a
position- Within >vthe pocket to coupling position
#15
bear against a portion of the pocket whereby
acting,
when the
against
coupler
theis coupler
in housed
willposition
be restrained
any force
by
the pivot pin, the retaining key and the abutting
surfaces of the head of the _coupler and said por
tion of thepocket.
18.`In improvements of the character described, 40
a, locomotive pilot having a pocket, a coupler
adapted to be housed in the pocket andfmovably
mounted to permit the same to be moved from a
and vice versa, said’ coupler having a pilot-con
position within the .pocket to coupling position
toured plate substantially conforming with theI
and vice versa, said coupler having a lock-lifting 45
contour of the pilot when the coupler is in housed
position, said plate being notched, and a retaining
pin cooperating with the notch for limiting the
movement of the coupler in one direction when
ment and having an eye at one end thereof, a rock
shaft, an arm projecting „from Àthe rock shaft
and having a loop, said link resting on one side
element, a link connected'to the lock-lifting ele
dof (said loop, and the eye of the link surrounding 50
the opposite side of the link, a portion of the link
- a locomotive pilot having a pocket,.a coupler being offset to provide a‘shoulder slidably engag
‘ adapted to _be housed in the pocket and movably ’ ing the inner surfaceof the loop, and a hump
50 the coupler is in coupling position.
.
15. In improvements of the character described,
mounted to permit the same t__0 be moved from a
mounted on one of said means for holding the link
position within the pocket, to coupling position
in vdiiîerent positions.
and vicel versa, said coupler having a pilot-con
toured plate substantially conforming with the
v
.
-
`GEORGE T. JOHNSON.
HARRY H. WoLFE.
„
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