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Патент USA US2113339

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`April 5, 1938.
R. G. AURIEN
2,1 13,339
BRAKE ARRANGEMENT
Filed Feb. 8, 1956
2 Sheets-Sheet l
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April 5, 1938.
R. G. AURIEN
f 2,113,339
BRAKE ARRANGEMENT
Filed Feb. 8, 1936
2 Sheets-»Sheet 2
Patented Apr.s,19as
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l
y2,lvl_.‘i,3.'li9 I
BRAKE ABRANGEMENT ,
Bay G. Aurien, Chicago, Ill., assigner to `Alnerl- ’
can-Steel Foundries, Chicago, IIL, a corpora..v
tion of New Jersey
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'
1
Application February s, 1m, serial No.. 53,011., .
1s claims.
(crise-5e)
This invention pertains to brake mechanism,
and more particularly to truck brakes for rail-
way rolling stock. .
An object of the invention is to provide a simance
various
conditions
parts are
areaccessible,
improved and
over `wherein
ordinary cleartypes
,
'
construction which may be employed for vhand e
Still another object is to provide brake mech-
poslte side of the truck is a substantial dupli-„
cate of that described herein.`
` '16“
The truck frame Il includes the side frame-i2, '
mechanism are greatly reduced over the ordinary type of brake mechanism.
opposite side frames being connected by the
spaced transoms _il and the end rails it yand
A further object is to provide an improved
il. The side frame is provided with the spaced
2o brake arrangement wherein two cylinders per
truck are connected to clasp brakes in a-manner
to meet all service conditions for successful op‘
'
ures, it is of course _appreciated that the .truck
construction and brake arrangement for the op-»
Il anism for railway rolling stock wherein and
whereby the pressures at diñ'erent points in the
eration.
ing more or lessA diagrammatically the . connec-rl
tion between the brake arrangement and 4hand 6
operation of the brake arrangement.
'
While only one half of the truck constructionl 10 ' `
and brake arrangement is illustrated inthe -ilg
for permitting the application of low center of
gravity car bodies to the supporting trucks. -
.
pedestals 20 adapted to4 accommodate suitable> 20y
journal boxes (not shown) having cooperative."
relation with the Vjournal ends 22 of the spaced Ag
‘
wheel. and axle assemblies 2l.
A yet further object is to provide an improved
25, brake arrangement wherein the lever ratio of
’I'he side frame
I 0 'is provided with the end bracket 2l fory at-‘
tachment of the end rail. I6,'sa1d bracket`- be- 26'
thevpressure operated levers will be considerably
reduced, resulting in a substantial decrease in
the working pressures at various points in the
ing provided with the hanger bracket,” to'whichA
the brake hanger” is pivotedlas at l2" togbe
disposed in the >plane of the _.„adjacent wheel.'-`
arrangement.
`
A still further object is to provide pressure op-
The lower end oiY the brake hanger 3l is plv-- `
otally connected as at I4 to the brake beamv 38,510, `
eratedbrake means on a railway truck for a
low ycenter oi' gravitycar, and one which is
readily adaptable for emergency hand opera-
said brake beam being, -provided. with the brake>
head It having'A the usual Ibrake shoe.“ provided
thereon for braking cooperation with _the adiag»
tion
35
' ' 'w
operating
Figure 7means.
is a fragmentary
, ‘
` `View illustrating
c
lì
Another object is to provide brake llnechia.l0 nism wherein an operating cylinder is provided
below the axis of the wheel and axle assemblies
30
the transversevcenter> line of the truck; -
Figure 6is a fragmentary topplan view, show-`
5 ple and compact brake organizationlwherein the
of brake mechanism.
'
elevationv taken "substantially in the plane of
»
'
With these and various other objects in view.
the invention may consist of certain novel fea-
cent wheel.
The bracket -26
is provided withthe truck.
ì ’
or brake lever bracket 42` disposed inboard _of-` _
tures of construction and operation as will be
more fully described and particularly pointed
out in the speciiìcation, drawings and claims ap4o pended hereto.
‘
1n the drawings, which illustrate an embodiment of the device. and wherein like reference
the WheeL'andthedead truck lever “gispiv-.f-oted to said bracket as ‘at„4\6,. the.l lower end oi
said truck leverîbelng pivptally connectedllas at fy
48 to the fulcrum- "secured to the brake ¿beam 40
l0. 'I‘he pull rod l! is disposed above theaxle
of the wheel and axlelassembly and is pivoted
characters are used to designate like partsFigure 1 is a fragmentary top plan view of a
46 .truck construction having a brake arrangement
embodying the invention applied thereto:
at its/outer end `tothe dead truck leverv as at
64, the opposite or inner end oi said puilfvrod
being pivotally connected as ¿at N_»to the iliv'e 46
v
truck lever Il intermediate the endsofsaid truck: 1- f l
Figure 2 is a side elevation of the -truck con-
struction illustrated in Figure 1:
Figure 3 is a fragmentary end elevation of the
50 truckrconstruction as viewed from the right of
Figures 1 and 2: Y
`
Figure 4 is a fragmentary end elevation of the
truck construction as viewedv from the left of
Figures 1 and 2;
55
`
Figure 51s a transverse fragmentary sectional
‘ lever.
_
' »_
~
`.
-'
y
The live truck lever n is similar to the om
site inner truck live lever "rbut it disposed”1
jgœnt the other wheeland axle assembly,` .The »50
upper end of the >live lever.” is adjustabLv con
nected as at 02 to the pull rod N,V the" opposite :
end of said pull rod being adjustably .cónnected
' as at‘“ to the- upper end oi' the live truck lever `- x
Il. Theeguide brackets Il` andv ‘Il may be pro- 66
2
l
2,113,839
i vided with anti-friction rollers and are disposed
on the spaced transom brackets 1| and 13 guid
ing and supporting the pull rod 04. The lower
ends of the live truck levers 50 and 00 are piv
otally connected as at 12' and 14 to similar ful
crums 10 and 10 secured to thevsimilar inner
v brake beams 00 and 02, the outer endsV oisaid
brake beams being pivotally connected as at 04
' and 00 to the hangers „and 00, the upper ends
10
of said hangers being pivotally connected as at
02 and 94 to the brackets“ and 00 disposed
between the transom brackets 1| and 10 and the
side‘irame'
|2.
.k
`
l
.-.
`
It is of course understood that the A_outerk ends
15 of the brake beams l"and 02 arevprovidedwith
Ysuitable brake heads v'(notshown) ior braking
is pivotally connected as at |10 to the piston rod
|12 of the operating cylinder |14. The operating
cylinder is suitably connected as at |10 to the
depending bracket |10 provided on the end rail ,
bracket |42 and side frame |0.
In the event it is desired to apply hand oper
ating means to the brake arrangement this may
be accomplished as indicated generally in Figure
7. In this case the pull rod |40 is provided with
an elongated bifurcated end |00 adapted to re
ceive the upper inner end of the auxiliary lever
|50, said lever being loosely pivoted at |02 to
the end |00 through the elongated slots |04.y The
outer ends of the end |00 are pivoted as at |04 to
the chains | 00 which are pivoted as at |00 to the f
ends of the equalizer bar' |02 which may be car
ried by the truck frame-or car body on suitable
K The brake beams >00 and 02are‘suppo’rted adja- ` brackets or straps (not shown). The equalizer '
cent the longitudinal center Iline of the truck by bar is pivoted as at |04 adjacent'the center'there
20 means oi the balance hangers |00 and |02, the of to the chain |00, the opposite end oi.' which is 20
lower ends of said hangers being pivotallycon
connected to the brake staiï |00 of the hand _.
nected to suitable fulcrums such as shown at |04 operating means 200.
in Figure 1,"said iulcrum being'provided on the
Assuming the brake arrangement to be in in
brake beam 02, though the brake beamv 00 is pläd
operative position, when it is desired to apply the
25 `videdwith a similar fulcrum (not shown).
e
brakes, ñuid pressure introduced to the cylinder 25
upper ends of said hangers are pivotally con
|14 causes the piston |12 to move toward the left
nected as at `|00 and |00 to the balance hanger as viewed in Figure 2, causing movement of the
brackets k||0 and ||2 provided on the transoms.
dead cylinder lever in a clockwise direction about
~The pull rod ||4 is pivotally connected as at itspivot |00. Movement of the cylinder lever in
30 ||0 to the truck lever 00 intermediate the ends
a clockwise direction causes the pull rod |00 to 30
ofsaid truck lever, and extends over the adjacent move the auxiliary lever |50 in a clockwise direc
axle and is pivotally connected as at ||0 to the tion as viewed in‘Figure l, thus moving the pull
live truck lever |20 intermediate the ends of rod |40 toward the right as viewed in said ligure.
said truck lever, said pull rod being preferably AMovement of the pull rod |40 causes the truck
provided with an extension |21| extending through lever |20 to pivot about the connection ||0 `to
_the pull rod guide |20 provided on'the end rail- /rnove thebrake beam |20 to a position to apply its
.cooperation with the,` respective adjacent wheels.
bracket |42. The lower end-of said truck lever is
birake head and shoe assemblies to braking posi
pivotally connected as at |22 to the fulcrum'> |24
secured to the outer brake beam |20, said brake
. Continued movement oi' the pull rod |40 causes
40 beam likewise being provided with suitable brake ' movement of the pull rod | |4 to move the live -10
heads (not shown) for braking cooperation with truck lever 00 to apply the brake shoes provided
the ’adjacent wheel. The brake beamj|20 is also on the beam 02. Movement of the truck lever 00
t on.
'supported by means of a balance hanger |20 ad- _
Vjacent the longitudinal center line of the truck,
th'e'upper end of said hanger being pivotallycon
»
,
~
toward the right causes the pull rod 64 to move' l
toward the right, thus moving the live truck
lever 00 in a clockwise direction about its pivot
nected as at |00 tothe balance hanger bracket 50 to apply the brake shoesfprovided on the beam
|02 supported on the end rail VI0, _the lower end 00. Continued movement of the live truck' lever
ot «said balance hanger being pivoted to a suitable 50 causes the pull rod 52 to move the' dead truck
fulcrum |33 provided on the'brake beam |20. . lever 44 in a counter-clockwise direction 'to move
'I‘he outer endo! the brake beam |20 is pivotally the brake beam 30 to apply the brake shoes 40 to to
connected as at |34 to the hanger |30, the upper the periphery adjacent the wheels. Release of
end oi' said hanger being'pivotally connected as at the actuating fluid will permit release of the brake
|00 tothe hanger bracket |40 provided on the` rigging in a direction opposite to that already
end bracket |42 of the side frame |0. The uppery described, it being understood that the automatic
end o! the live truck lever |20 is pivotally con
slack adjuster is operative as by the fluid supplied 65
yfnected as at |44 to the‘puil rod |40, the outer end to the cylinderk to take up slack in the brake
of said'pull rod being- pivotallykconnected'as at
|40 to the `inner end of the auxiliary lever„|50.
system.
,
,
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g
'
It is oi' course understood that rotation of the
The' auxiliary lever >|50 extends outwardly and hand operating means 200 causes the chain |00
downwardly and is pivotally‘ connected inter-- ` to move the equalizer bar |92 toward the right
mediate the ends thereofA as ’atl |52 to the auto
as viewed in Figure 7, thus causing the'chains |00
matic slack adjuster 4|54 mounted on the bracket to move the pull rod |46 at each side of the truck
|42 as at |00,'said» slack adjuster being of suit
to operateA the brake arrangement in the same
able construction as that of the _American Brake manner as described for the brake cylinder. ‘
Company, and/or as 'shown in Patent No.
n is to be' understood that I do no: wish to be
1,991,3330 to Mltch‘elLgranted February 12, 1935. limited by the exact embodiment oi'. the device
The outer end of the auxiliary lever |50 ispiv
shown, which is merely by way ot illustration and
otally connected as at |00 to the pull rod |00, said not limitation, as various and other forms of the
pullrod being pivotally .connected as' at |02 to device will of course be apparent to those »skilled
the cylinder lever |04 intermediate the _ends of in the art without departing from the spirit oi'
said cylinder lever.`
Ñ
The'upper endof thesubstantially vertically
disposed cylinder lever |04 is pivotally connected v I
as at |00 to the bracket |00 provided on the side
the invention or the scope of the claims.
I claim:
‘
1. -In a brake arrangement, the combination o!
a truck frame including a side frame, spaced
75 trame. The lower end of saidV dead cylinder lever rconnecting transoms and end rails, spaced wheel
3
i va,11s,ssa
and axle assemblies -`for supporting vsaid »truck
brake means connected toy said fulcrum lever.
frame, a live and dead truck lever disposed on
opposite sides of one of said wheels,~li_ve_ftruck
7. _In brake mechanism, the combination‘of a `
truckfliame, -a horizontally disposed bi'akeïcylin-f`
levers disposed on opposite sides-fof another der,l a-isubstantially vertically disposed ycylinder
wheel, a pull rod connecting truck levers at each lever, a transversely disposed fulcrum lever. said
wheel, a pull rod connectingthe live lever' of cylinder -lever being operatively connected lto> the
one wheel to a live lever of anfadjacent wheel,
an auxiliary lever pivoted intermediate the ends
thereof to said truck i'ram'e and pivoted adjacent
10 one end thereof to a live truck lever, a substan
tially vertically
piston of said brake. cylinder and to said fulcrum
lever, 'said cylinder le'verv being fulcnuned adja
cent one end thereof .to said truck frame, said
fulcruin'lever- being fulcrumed intermediate the
cylinder lever pivotedV to
ends‘thereof >to said truck'fr'a'me, and truck' brake f
' .said truck frame adjacentthe upper end thereof,v
meansîconnected tosaidfulcnim lever.
a pull rod connected to the other end of said l
auxiliary leverI andjto said> cylinder lever inter
mediate the ends~of said cylinder lever, an oper?
an end of said truck frame, a substantially verti-j
’ ating cylinder supported on said side frame, the' >
piston of said cylinder _. being‘A connected vto rvthe
lower end of said'cylinder lever.
`
8. In brake mechanism, the combinati '_jof a i
truck frame, 'aj brake cylinder secured
cally disposed cylinder lever fulcrumed adjacent '
one end thereof to said truck frame "and lopera
'
2. In'brake mechanism, 'the combination-"of a
substantially-»vertically disposed truck lever, a
tively connected to thepistonof said cylinder, a
slack adjustersupported on said truckframe andl
connected to-said brake cylinder, a transversely
disposed fulcrum ylever pivotally connected inter-_
tially vertically disposed cylinder lever` pivotally> mediate fthe ends thereof ¿to said slack adjuster
horizontally disposed brake cylinder,'a substan
supported. adjacent the upper‘end thereof, the
lower end of said cylinder lever being operatively
connected tothe piston ofsaid cylinder, and con
necting means .including a transversely disposed
lever between said cylinder- lever and said truck
lever.
»
.
`
Y
~
3. In >brake.,mechanism,.the combination-of ya
substantially rvertically disposed truck> lever, a
and connected adjacent one end thereof to said
cylinder lever intermediatethe ends ofsaid cyl
inder lever, yand brake Voperating means »con-'
nected to the other end of said fulcrumlever;
9. In brake mechanism, the combinationof a
truck frame, a brake cylinder secured adjacent
an end of said truck frame, a substantially verti-y
cally disposed >cylinder lever i'ulcrumed adjacent,
>horizontally disposed brake cylinder, a subst‘an- y onel end thereof'tosaid truck frame and opera-v
tially vertically disposed‘cylinder lever pivotally
tively connectedfto the piston of said cylinder,
a slack adjusterrsupported on saidl truck frame
l lower end‘thereof being operatively connected to' ' and connectedto said brake cylinder, a vtrans
the piston -of said cylinder, a transversely'~ dis
versely disposed iulcrum lever pivotally connect--y
posed fulcrum lever connected to said ,cylinder ed intermediate the ends thereofv to said .slack '
lever, andA meansv connecting said lulcrìim lever ‘ adjuster andv connected adjacent oneend thereofv l
supported adjacent the upper end thereof, the
,. to said truck lever.
.
l
l to- said cylinder lever intermediate the ends of „ »
4. In brake mechanism, the combination of a '
40
said cylinder? lever', brake ’operating4 means con-_
truck frame, a horizontally disposed brake cylin
nect'ed to the other end oi' said fulcrum lever; 40
.der secured- to said'frame ‘at one side-thereof, ,aV and supplementary operating means connected
substantially vertically disposed cylinder lever
pivoted adjacent one» endthereof to said truck
to said fulcrum lever adjacent "the _latter end _
frame and operatively connected adjacent "the
other end thereof 'to the piston of said cylinder,
a substantially vertically dispœed truck lever, a
i'ulcrum lever vconnected to- said cylinder lever
vtruck frame, a wheel and axle assembly support'
ing said truck frame. a brakeîcylinderlmounted
and to said truck lever, and a slack adjuster piv-`
otally connected to said fulcruxn lever and opera
of said wheel and axle assembly„af.cylinder lever ,
fulcrumed on said vtruck frame
an end
thereof.
_10. `In brake
~'
mechanism.
Ä
, the combination
Y.
voi' a
on said truck- frame substantially'below the axis
tively connected to said cylinder, said slack ad
of said lever and-substantially above said cylin
der. the lower end> of said cylinder lever being
5.»In brake >inechanismfthe combination of a! operatively connected to Jvthe -piston of said cylin
juster being supported on said truck frame',
`
truck frame, a horizontally disposed brake cylin- , der, >a fulcrum llever lfulcriimed to Asaid truck
der secured to saidframe at' one side thereof, a
55
substantially vertically'l disposed cylinder lever
pivoted adjacent one end thereof to said truck
frame and operatively connected adjacent the
. other end thereof to the piston of said cylinder,
a truck lever, a fulcrum lever connected to said
cylinder lever and to said truck lever, a slack
adjuster pivotally connected to said i'ulcrum lever
and operatively connected to said cylinder, said
> slack adjuster V_.,being supported on said truck
(rame, and supplementary brake operating means
frame above said cylinder and operatively con
nected to said cylinder lever intermediate the
ends thereof, and a truck lever disposed adjacent
said wheel and axle- assembly and operatively
connected adjacent one -end thereof to said ful-- y ,
crum lever. -'
,
11. In brakemechanism, the combination of
a truck frame, spaced wheel and axle assemblies
cooperating therewith, a dead truck lever con- '
»nected to a brake beam,'a live _truck lever oon
nected to abrake beam, brakeY shoes on said'
beams, pull rod means connecting said live and
dead levers, a brake cylinder mounted on said
truck frame, a horizontally disposed brake cylin
truck frame,"a >slack adjuster. a fulcrum lever
der, a substantially vertically disposed cylinderV >connecte'dfto said slack adjuster and to one of
lever, a transversely disposed fulcrum lever, said '_' said truck levers,l and a substantially vertically
70 cylinder lever being operatively connected to the disposed cylinder lever pivoted adjacent one end 70
piston of said brake cylinder and to said fulcx'uin> thereof to said truck frame and connected to said
lever, one of said levers- being fulcrumed inter
fulcrum lever and operatively connected to the
mediate the ends thereof to the truck frame, and piston of said brake cylinder.
the other of said levers being fulcrumed adjacent
' l2. In a car truck. the combination of a sub'
76 one‘ end thereof to said truck frame, and truck stantially vertically disposed live truck lever, a
connected to said fulcrum lever.
6. In brake mechanism, the combination of a
4
il)
2,113,339
brake cylinder mounted on said truck adjacent
and having a piston connected to the other end
an end thereof and operating in the direction of
the other end of said truck, a substantially ver
ofsaid cylinder lever.
16. In a brake arrangement. the combination
tically disposed dead cylinder lever operatively
of a truck‘frame, a brake cylinder mounted on
associated with said cylinder, a fulcrum lever
connected to said dead cylinder lever,` and means
connected lto one end of said fulcrum lever and
said frame adjacent an end of said frame but
provided with a piston operating in the direction
of the other end of said truck frame, a substan
to one end of said truck lever by means of which
tially vertically »disposed cylinder lever pivoted
the brakes are operated.
adjacent one end thereof lto the truck frame and
directly connected at the other end thereof »to
`
_
»
,
n
13. In brake mechanism, the combination of
atruck frame, a wheel and axle assembly cooper
ating therewith, truck levers on opposite sides
of said wheel and axle assembly, a connection
between said truck levers disposed above the
axle, brake shoes disposed on opposite sides of
the wheel and connected to said truck levers, a
brake cylinder mounted on said truck frame sub-.
stantially below the axis of said wheel and axle
assembly, a slack adjuster, a fulcrum lever con
nected to said slack adjuster, and to one of said
said piston, said cylinder lever being connected iov
intermediate the ends thereof to said brake rig
. sins.
17. Inra brake arrangement, the combination
of av truck frame, a horizontally disposed cylinder
mounted thereon, a cylinder lever pivoted‘at its
upper end to said truck frame, the lower end of
said cylinder lever being connected to the piston
of said cylinder, a substantially transversely dis
posed fulcrum lever pivoted intermediate its ends ~
truck levers, and a cylinder lever pivoted to said to Asaid frame and connected adjacent its inner
truck frame and connected to said fulcrum lever» end to brake rigging, and a pull rod connecting
and operated by said brake cylinder.
said iulcrum and cylinder levers."
14. In brake mechanism, the combination of
18'. In a brake arrangement.,` the combination
a truck frame, spaced wheel and axle assemblies of a truck frame, a horizontally disposed cylinder l.
cooperating therewith, a deadtruck lever con
nected to a brake beam, a live truck lever con
nected to a brake beam, brake shoes on said
beams, pull rod means connecting said live and
30 dead levers, a brake cylinder mounted on said
mounted thereon, avvertically disposed. cylinder
lever pivoted at its upper end to said truck frame,
the lower end of said cylinder lever being con
nected to the. piston of said cylinder, a trans
versely disposed fulcrum lever pivoted interme-' -
truck frame substantially below the axis of said ,diate its ends to said frame and connected at its
wheel and axle assembly, a fulcrum lever pivot
outer end to said cylinder lever and connected ad
ally mounted on said truck frame and connected
to one of said truck levers, and a cylinder lever
pivoted to said truck frame and connected to said
fulcrum lever and operated by said brake cylinder.
15. In a brake arrangement, the combination
jacent» its inner end to said brake rigging. .
19. In a brake arrangement. the combination
of a truck frame, a wheel„brake means associ
-ated with said wheel ¿for braking application
thereto, and spaced levers operatively connected ,
of a truck frame, a wheel associated therewith,
together, one of said levers being substantially
brake rigging associated with said wheel for vertically‘disposed and the other of said levers
braking cooperation therewith, a transversely being disposed transversely relative to said frame, 40
disposed fulcrum lever pivoted at one end of the one of said levers belngepivoted to said 4frame
brake rlggingand pivoted intermediate the ends V at its end, the other of said levers being pivoted
thereof to said truck frame, a substantially verti
to its'frame intermediate the ends thereof,_one
cally disposed cylinder lever pivoted intermedi
of said levers being connected to said brake
ate the ends thereof to said fulcrum lever and means, and an operating cylinder having a pis
connected at one end thereof to said truck frame,
a brakecylinder mounted on said truck frame
ton connected to the other of said levers.
. . ,
RAYG. AURI‘EN. ‘
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