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sept'- _24, A11946. -
F, B, MGCLURE
2,408,264v `
DRIVING AXLE FOR MOTOR VEHICLES
Filed Deó. 1o, '194s
s sheets-sheet 1
l /i
INVENTOR
Sept. 24, 1946.
F. s. MccLURE
‘
y 2,408,264
DRIVING AXLE FOR MOTOR >VEHIQÍHLIE'S
Filed Deo. 10, 1943 '
È Sheets-Sheet 2
>FÚIGURE 2
FIGURE ¿_
Sepä. 24, i946.
y
F. B. MCCLURE'
252408,26@
DRIVING AXLE FOR MOTOR VEHICLES
Filed Deo. l0, 1945
,
'
‘.5 Sheets-@wet 3
FIGURE 4
40
40
f
5
I5 f
37
www 5
lNVfENToR
Patented sept. 24, 1946 Y
2,408,264
UNITED ’STATES PATENT OFFICE `
' Freafn; Meclure, Mjoímdsville, wiva., assigner of
one-fourth to W. L. Stroup‘, Mnundsville, WfJVa';
. ApplicationA December 10, 19,43'„,Serial§,No. '51'.“‘»,16.92\` '
' suclaims.
,
.
(o1. Iso-fm ,Y
l"
The invention relates r`tov-improvements in axles
which transmitmotive power toV the -driving.
wheels of motor vehicles; and the objects of the
improvement are, ñrst, to reduce Vthe manufac
turing costs of motor vehicles, particularly pas
senger- automobiles; second„V to-reduce the oper
l" block Z-B, so. located. that. the, rod 5 `engages
1ooselyina` groove- cutaroundthefshaft of gear 4.
Each> end of rod 5 .is bentto the face of the block
after passing through and is thus held in place
and in»> turn holds gear 4 in place during assem
bly, butbeing- engaged loosely in the groove of ì
the-shaft `of -4, allows ¿gear 4> toA rotate freely.
, Hub~3 hasan axial bore andsis disposed loosely
Y A ating costs of motor vehiclesby theelimination
of-several powertransmission mechanisms that
are - subjected to constantv ywear and require j. con
Y onshaft
The principal function of part 3 is
stant lubrication in `the operation of. present. con 10. to-keep part 2 Y concentrically `spaced `about partv I .
ventional »_automobiles; third„k zto greducej main
tenance costs bytheeliminationî .of those mecha
nisms mentioned> above; `fourth, to attain almost
Parte, 6 isaseamlessqtube oflarger diameter
than` shaft I and surrounds sama. asv au housing.
' Each partft extends vfrom a point near they mid
diev of‘shatt I to a` point-»near the end ofy shaft
completeV silence in they operation ofmotor ve
hiclesg.V so far asfconcernsrthe transmission of 15 , I i
power; ` fifth, to` attain smoother operation of
(seelï’igure: l).
y
1 Beveled-»gear l, 'I (seefFi'gure 3) is mounted
motor¿„vehic1es bythe elimination yof» shock-con
Y on,` one- ‘end « of vlì.. with ar tight lflt ’and isL perma
~ ` nently secured to.Vv tubes z6«by meansof rivets.
ducting mechanisms in power transmission. Y
One form of the invention is ¿illustrated in the»
accompanying drawings, in which FigureA 1 yisa
¢ VBearing sleeve; 8, 8 V(seelî’igure 3) is inserted
in tube-I5.V with a tight ñt-andV-,is secured by the
Verticalisection of the‘entire axle which is sym
Y
metricalabout the vertical center line; Figure 2
same rivets-that secure gear T.
f
, A lubrication seal ring 9, 9 (see Figure 3) is
placed' inside of sleevevßf- andV about shaft. I, and
is stopped by Ithe, rivet heads inside .of sleeve 8.
is a vertical section of one end of Figure 1, _made
to a, larger scale than Figure 1» ,toV more; clearly
illustrate the parts :Figure 3 is a vertical section,
Roller bearing HJ, I»0~(see Figure Y3) is> placed
partly diagrammatic, of the :central partofV Fig.
inside vof sleeve. 8- and-»about-shaft I , and is stopped
ure- 1, made to a larger scale than` Figure 1 -to
by the seal ringf9. f
more clearly illustrate thefparts; Fig-urer‘l isa
Y
'
Bearing retainer I~I.-,4 LL (seevFi'gure.A 3) is. an
plan'view of the axle, assembled vinavehicle- Chas?. ~.
sis having portions o'f?itsI frameomittedz «to show
open ring of» spring wirefwhich. issprung into
agsmall-groove» cut raround, they inside of~ sleeve
the entire topA of the axle». ì Figure 5 is a vertical
` 8` near its outer or exposed end,> to retain the
view; on the line 5_5 of ‘Figure~4, having portions
of thcradius rods cut away to expose thesfront
‘bearing IlI.-v within the sleeve 8.
shackleof the vehicle spring.` ,
.
'
'
«
Coverlplate. I2,l I2- »(seaFigure 3)Y is a circular
plate having a central opening. The outer edge
is turned.Vv to provide stiffness> and is bolted. to
`
The shaft Iv is the core of the axle- andsup
ports the other parts in position and provides
thefsi-de ofl part 2: with. a gasket between I2'V and
adjustment for some- of the parts; the principal
2fto2prevent. oil leakage. AboutI thecentral open
function of shaft I- is to maintain-'alignment of
ing of I2 is a channel formed in theplatevto hold
the other parts illustrated in Figure-1.
a, ringl of:V oil- seal material I¿3, I3y l(see. Figure 3).
The grooved sheave 2 has, in this instance.. ten 40 Theïwa'll of |12 is offsetto bring „the central open
grooves around the outside for the». receptionof
ing intoy such> position.v thatfthe yoil seal I3l will
V> shaped belts, and a detachable hu-b 3; loosely
bel held; againsty afshoulder on` the backA offgear
disposed on shaft I , having A3 arms’o-r spokes,
1,- witlaaf» constant tensionsuñicient to effectively
preventv oil»y leakage.
f
f
which are removably attached tov lugs~_2»--A on
the inner side.; of part, 2. On t-lrieinnerr side vof 45 All »of> theY foregoing partsY described.- form a.
compact assembly abou-tfthe vertical. center line_
2 are also-three block-like bases 2-B, evenly
spaced betweenathe spokeV attachment -lugs-Z-A,
eachhaving a radially ‘disposed well in its center
for-the. receptionof the stud shaftofr gear 4.< `The
gears l! are radially disposed in part-„2.r and-seat
againstY the bases »formedÍ bythe- blocksî 2-`-B-<on
the'inner/side‘ of~`2', with the stud shaft;` of each
gearv 4' fitting into> thewellgin the center. of »leach
in' Figurev` 1. l Bower is delivered to the grooved
periphery of part 2, in this instance, by’a group
ofl matched belts, causing the rotation of- 2` which
.50 carries with.y it` >they spider ,gears 4,j 4, 4 which are
meshed with gears 1„ 1 (see Figure 3,), thereby
cau-sing gears 1-1 to rotate simultaneously with
part 2'; and the gears 1', 'I4 being aflixedfto the
blockV E-B, and‘each'gear 4v isVl held- inf yplace by
aismallrod 5- passing through,fafcrossfholeïin-.the , i
tubesfìvíiocause the-tubes@ Gßtorotate simul'- _
taneously with part, 2. '_I'herebyv motive. forcev or
2,408,264
power is transmitted from the driving belts to
the tubes 6, 5 which in turn deliver it to the
vehicle wheels as described later.
4
contacts the end of bearing I4, and is held
in position simply by pressure against the inside
of tube 6.
_
Like the differential or compensating mecha
nism
first described, the bearing I4 and the oil
sheave and its contained differential gears, and
seal IB will require very little servicing.
the driving tubes which transmit forces to and
A sleeved hub 20 (see Figure 2) provides the
from the differential, are disposed loosely, o-r ro
hub
for the vehicle Wheel and transmits the power
tatably, on shaft I which maintains the align
from tube 6 tothe vehicle wheel. A flange at
ment of the axle structure. Part 3, being loosely
its _outer end has two offsets or shoulders and
disposed on shaft I, keeps the driving sheave 2 in
the sleeve has two small offsets or shoulders on
perpendicular alignment with shaft I, and con- " the outside surface. It has a straight bore of
centrically spaced about same, and, being detach
such diameter that a tight fit is obtained when
able from part 2, at 2-A, permits the placement, `
`it is mounted on the tube 6, and both ends of
or removal, of the radially disposed differential _
hub 20 are castellated in 45 degree segments for
gears which are rotatably secured in part 2‘at
coupling engagement.
_
2-B. The differential bevel gears ’í are fixed on
Coupling 2I (see Figure 2) is a castellated ring
the inner ends of tubes 6, and engage the radially
or collar fitted tightly about tube 6 an-d perma
disposed differential gears, in opposition. There- A
nently "welded in place. It has castellations
fore, forces are transmitted to and from the dif-`
matching those at the inner end of hub 2U. The
ferential only by means of tubes 6. When forces
body or collar par-t of the ring has an outside
applied to the periphery of sheave 2 cause non
diameter'slightly greater than the outside diam
differential rotation of the axle, all the parts I
The foregoing parts, consisting of the driving
to I3 inclusive, move simultaneously, or rotate as
one unit about the diametrical center o-f shaft I.
Therefore, during such operation of the axle,
there is no individual rotation of the gears 4, 4, 4;
no movement of the shoulder of gears 1, 'I against
the oil seal I3, I3; no movement between the shaft
I and the oil seals ‘9; 9; and, the roller bearings
Ii),
I3 are inactive as anti-friction bearings. .
During differential operation of the axle there
eter of the castellations, resulting in a small ex
terior shoulder at the base of the castellations,.
Coupling 22 (see Figure 2>ïis a removable cou
pling. It is a Vcircular piece having horizontal
and vertical castellations, The horizontal cas
tellations match those at the outer end 0f hub 2B,
and their inside diameter is such that the piece
is easily placed about the outside of tube'IS. The
vertical castellations are internal, and occupy
segments alternate to those occupied by the hori
zontal castellations, projecting inward for a dis
and oil seals I3,_and between one, or both, of
tance equal Yto the thickness of the wall of tube 6.
tubes 6 and shaft I, and the bearings I0 will then
serve as anti-friction bearings.v Hub 3 will, if 35 Theselugs or vertical castellations engage in cut
out segments at the end of tube 6, which is cas
required, rotate on shaft I, and, being movable
tellated in’proper alignment with the fixed or per
along shaft I, will automatically equalize the
manent coupling 2 I. The end of tube I5 is thread
clearance between the differential gears 4 and "I,
ed over the castellations,
To lubricate the gears and bearings described
Nut 23 (see Figure 2) which is simply an inter
above, a quan'tity of lubricant is placed inside the' 40
nally threaded ring or collar, is threaded on the
cover plates I2, I2 through a plug i-n one of the
outer end of tube 6 and serves to secure hub
plates, illustrated as part IB-A (see _Figure 1).
will be rotation between one, lor both, of gears 'I
As a result of the very limited action of the en
2li, engaged by couplings 2I and 22, thereon.
'I_‘he vehicle wheels 42, illustrated Yby broken
closed gears and bearings, with effective seals pre
venting leakage, the initial charge of lubricant -45 lines in Figure 1 and also illustrated in Figures
4 and 5; the chassis frame _40, the springs 39,
can be expected ‘to last indefinitely, as well as
and the braking mechanism 4 I, where illustrated;
the oil seal material which is likewise subjected
and, the intermediate shaft 3'I and driving belts
38 illustrated in Figure 4, are not a part of this
The entire axle being symmetrical about the
vertical center line in Figure 1, one end only will 50 specification, but are shown in the drawings and
described herein for illustrative purposes only.
be used in describing the following: The outer
One method for attaching a wheel to hub» 2i!
‘end of tube 6 (see Figure 2) is _centered about
(see Figure l) is for a flange of the Wheel 42 to
Ashaft I by a roller bearing I4, which is subjected
to very little wearing action.
seat upon and about the smaller or outermost
to a lateral thrust when forces are applied to
the differential gears, and is inactive as an anti 55 shoulder of hub 20 and be securely bolted to the
thick part of the flange of hub 20. The hub
friction bearing except at such times as differ
shoulder upon which the wheel is seated has a
ential action occurs, for the same reasons ascribed
diameter slightly greater than the outside diam
to bearing Iû.
eter of coupling 22 and nut 23, so that the wheel
A castellated nut I5 is threaded on the end of
shaft I, and, thrusting against washer I6 which 60 may be quickly placed or removed without dis
turbing any other parts.
is placed against the outer end of `bearing I4,
The journal box 24, 24 (see Figure 1) has sev
forces the inner end of bearing I4 against the
eral
functions; it supports a portion of the ve
thrust collar I‘I, which has a tight ñt inside of
hicle load or weight through the attachment of
tube 6 and is secured by rivets through the wall
of 6, the rivets having flat countersunk heads on 65 the vehicle springs; it is the part from which
motive force is transmitted by radius rods to
the outside. This assembly provides for Vand
the vehicle frame; and, it supports the brake
maintains the adjustment of the differential
housing plate or flange to which is attached the
braking'mechanism. It is assembled about hub
An oil seal ring I8 (see Figure 2) is placed
1 _
insidethe thrust collar I'I and about the shaft I 70 20 as follows;
Hub 20 is passed through roller bearing 25 (see
and is `kept in place between the rivet heads and
gears.
_
_
`
bearing I4.
Lubrication is provided for bearing I4 and
sealed at its outer end by the cup-shaped part I9,
which is p-ressed into the end of tube Ii until its 75
Figure 2) which _is contained in journal box 24,
before hub 20 is assembled on tube G.
One end
of the inner race of bearing 25 stops against a
shoulder 'on hub 20, While the other end passes
2,498,254
6
over the castellations.- o_f coupling 2l `as-„they en.
radiu'sirodsarein two identical pairs, Vone
pair only, _or those leading from onejourna-l box,
will .bedescribedifin‘the following:
The .radius rods .3.2, 3,2 (see Figureô),y ,are .each
gage with hub. 20. and stops againsttheshoulder
or solid ring part, of ,coupling;„2l.. Therefore,
when nut 23 is tightened, bearing .25v is held se
curely between the shoulder on hub.20. vand th
shoulder on coupling 2|.
composedof ahollow shaft .or'tube which has. at
oneenda vsolid piece welded permanently in the
end @of the; tube, andat theopposite endga similar
niece'islthreaded into the rtube and secured4 in
.
Near the outerfor wheel side.of.journal.b.ox,24
is an interior flange which. stops against‘the bear
ing 25 (see Figure 2)., with the bore of the klla-nge
position by a lock-nut, so thev length of part 32 _
just clearing the surface lof yhub 20 rat that. point. 10 is adjustable. The solid pieces are each drilled
The opposite side ofy 24, from which bearing 25
andlñtted. with a brass bushing.. A .pressure
enters the box, is threaded inside of the bore to
greaserñtting is provided at. each endzsothat. the
allow Ythe Yexternally threaded retaining ring 26,
inner surface of each bushing can be lubricated.
manipulated by Ameans of spanner pockets in its
Two spindles 30, 3û‘(see Figure 2) are attached .
face, .to be screwed against the end of .the outer 15 to the vinside faceoijournal box 24, being super..
raceof bearing 25, thus firmly securing the jour
imposed on vthe cover plate'28, Onel spindle .30
nal box 24 in position about hub 20,.-which-fro- '
is-aboveand one belowthe axle, with the .longi
tates freelywithin the journal box.
Retaining ring 26 (see Figure 2) maybe locked j
in position by means-of a set screw (not illus-Y
trated) throughV the top-of» the journal box, `or
at any convenient position.
Part 21» is a circular plate -bored in its center
to rlt closely to but free of liubïZll (see Figure 2)
and is> bolted to the outerface- of- 24.Y It retains
a ring of suitable »grease sealing material which
is inserted in the vjournal` box 24 against its in
terior l?lange. r'I‘his sealing ring retained behind
the plate 21 is-sub-jected to >wear by the rotation
of hub 2€), but can be easily renewed when neces
sary.
Y
. Part 28 is a cover' plate and grease seal case,
attached to the inner face ofrjournal box 24 (see
Figure 2) ;V its outside is square> in shape and it
has' a central bore that ñts closely to “but free
of the surface of tube lì.y Thisl part is composed
cf'two- plates so shaped that when'they are’placed
tudinal center Aline of each spindle .exactly per
pendicular to, above and below, the longitudinal
center lineof shaft l (see Figure 5). Alilachspin
dle projects from a bracket type basewhich ñts
neatly around the corners of journal box 24 at
its front yandbaclr (see Figure‘l). Each lspindle
Y base is bolted securely to journal box 24' at points
near ~its front .and back where there is ample pur
chase »for the .bolts in solídparts of 24' (see Fig
ure` 5). As the baseslof'these spindles have aíirm
grip onv the front and back faces of the journal
box, the bolts securing the bases Yto the journal
30 box are not subjected to the full load of the forces '
transmitted to the radius rods.
The adjustableends of` radius rods 32, 32A are
ñtted over the yspindles 32, 3i!l (see Figure 2) and
areheld in’place by the nuts 3|., 3| (each with
an accompanying washer) threaded on the ends
of the spindles and each secured by the custom
ary cotter pin. The opposite ends of rods 32, 32
~ face to face, a channel is formed around'the cen
are fitted over spindles similar to 3i), 3U, which-are
tral bore, which holds a ring'of 'greasel sealing
attached to a base that is secured to the frame,
material around the surface of tube 6. The ob 40 which base also supports vthe bearing for shaft
ject in'making' part 23 in two separable pieces' is
3?, not a part of this specification (see Figures
so that the grease sealing ringY can be quickly
4 and 5). These spindles for the front ends of
renewed if necessary without removing the part
rods 32, 32 are located in exactly the same rela
from the axle, simply by separating the two
tive positions, respectively, kto the shaftfS’I, as the
45 spindles 38, Sil are> located in relation to shaft l,
pieceso-f part 28,
The lubrication required by bearing 25 will be
thereby effectingy a pantographic connection be- '
equivalent to that required by a wheel or, axle
tween journal box 24 and the Vehicle frame -(see
bearing in the conventional typeof axle in gen
Figure 5), The motive force is thereby> trans
eral use’heretofore, and can be -m'ade by means
mitted from the journal box to the vehicleframe,
of a pressure iitting convenientlylocated in the :50 and the journal box 24 is held in a vertioal'posi
journal box, and not illustrated> in> the drawings.
tionV during spring action. The entire axle as
The design of the outside of the journal box
sembly, during springv action, travels at a con2e may be altered to. suit the method-used to
stant radial distance fromr shaft 3l, and theA ten
attach the vehicle springs, but inany case, the
sien `of the driving Abelts 38 remains constant.
springs, of vwhatever type used, will be attached
The adjustable radius rods allow the tension of
in some manner to journal> box 24’. In this in- ' the driving belts to be adjusted, The upper ra
stance a leaf type spring is illustrated (see Fig
dius .rod is illustrated, in this instance, as having
ures î., 4. and 5) and is suspended under the
a Vertical curveor bend -(see Figure 5) in order
journal box, firmly secured to its bottoni by the
to avoid contact with the floor of the'vehicle body
inverted U bolts 29 .passing over 24, strad'dlewise
during extreme spring action. Such a curve or
of theaxl’e, with their ends passing; through holes
bend- in either or both o-f the radius rods vwill not
affect their pantographic action.
in a bed plate underneath the spring, and nuts
placed on the ends of the U bolts V(see Figure 5).
'Inasmuchasí all upward or downward move
The top of the spring is seated in a channel in
ment oi the axle travels the-path of an arc, it
the bottom of 2i (see Figuresl and 2)’. which
follows that the vehicle spring 39» must have
has in its center the customary'po'cketto receive
freedom of movement'in-forw-ard »and backward
the head of the spring center bolt. The Yupper
directions.` VTherefore each end ?of the spring
part of each U bolt is Aheldin position byresting
is Vattached to theV vehicle frame with a shackle
in a small'saddle which is'cut in the top edges of
type connection (see vFigure 5)". The spring does
.journal box 214 at the points'fwhere the UV bolts
not transmit any motive force, and is not re
turn.
"
quired to resist any >turning or rolling action of
`Motive force is transmitted from the axle >as
sembly to the vehicleframe bythe radiusrods
32 which are four in number, two leading from
each 'journal box (see Figures l, 4, and 5). As
the axlev assembly. The life of the spring is
thereby lengthened and its springing action im
proved.4 ¿
Part
33 ésee Figures l and 5) 'is a circular
2,408,264
7
plate with an offset around its perimeter, and
having a central hole to nt closely about but free
of hub 2G at the position illustrated in Figure 1,
which position is close to but not touching the
shoulder or offset of hub 20. Plate 33 is the base
to which is attached the brake shoes 4I and their
operating mechanism, not a part of this speci
ñcation. Each plate 33 is held in position by
brackets 3d and 35 (see Figure 1) which are se
8
the outer side of each journal box and beine`
rigidly attached thereto by means of angular
brackets, said axial shaft serving as a base for
the whole axle structure and to maintain the
alignment thereof, said grooved sheave serving to
receive multiple V belts and to be rotated there
by, said radially disposed differential gears serv
ing to transmit forces between said grooved
sheave and the bevel gears of the differential,
and to pro-vide for differential rotation of the
tubes, said cover plates serving to enclose the
differential mechanism and to retain the lu
curely bolted to plate 33 and journal box 24.
Brackets 34 and~3î5 are Vso-designed and attached
that they will hold the plate 33 rigidly in posi
bricant thereof, said sheave being detachable
tion at all times.
from its hub to permit the placement, or re
Brake drum 36 (see either end of Figure 1) is
moval,
of the radially disposed differential gears,
15
designed to ñt closely about the offset of plate
said tubes serving to transmit forces between the
33. ^ The flange of drum 3B fits neatly about the
differential bevel gears and the said sleeved hubs
large diameter shoulder on the flange of hub 20
upon which vehicle wheels are mounted, said
and is bolted to thatl flange. With the wheel 42
journal boxes providing for connections between
removed, brake drum 3S can be easily removed
for inspection or servicing of the brake shoes 4I, 20 the axle and the vehicle frame, said radius rods
serving to transmit forces between the axle and
or their operating mechanism, Without disturbing
the vehicle frame, said vehicle springs serving
any other parts of the axle assembly.
to supp-ort and spring the imposed load, and
From the above description and the accom
said vertically disposed circular plates, rigidly
panying illustrations, it may be clearly under
stood that when the vehicle wheels are turning 25 attached to thejournal boxes, serving as fixed
bases for the brake mechanism.
at the same speed, the entire axle assembly ro
2,. In a driving axle assembly, a differential
tates as one unit, with the exception of the two
mechanism consisting of a hub having an axial
journal boxes and the parts that are directly
bore, loosely mounted on an axial shaft, said hub
attached to them.
For the purpose of a symmetrical design, the 30 having arms, or spokes, extending radially there
from, an annular rim having multiple grooves
driving sheaves 2, with its self-contained com
around its periphery, inwardly extending lugs, at
pensating mechanism, is placed, in this instance,
its
medial line, which are removably attached to
midway of the axle assembly (see Figure 1).
the arms, or spokes, of said hub, inwardly extend
_However if conditions peculiar to any certain
vehicle require it to be located elsewhere, it may 35 ing block-like bases, at its medial line, each hav
ing a radially disposed well in its center, radially
be placed anywhere between the two journal
disposed differential gears rotatably retained in,
boxes without affecting its operation.
and seated> against, each said base, bevel gears
'I‘he driving sheave 2 may also be designed for
of the differential, ñxed on tubes rotatably dis
any practical number of belts, in accordance with
posed
on said axial shaft and extending outwardly
40
the power to be transmitted, without affecting
from each side of the differential, engaging the
the design or operation of the compensating
radially disposed differential gears in opposition,
mechanism.
circular cover plates, having lubricant sealing
VFor lighter weight vehicles the compensating
material
retained about central openings there
mechanism might be designed with only two
ì
spider gears, placed diametrically opposite, in 45 in, vertically disposed and attached to the sides
which case the hub 3 could have either 2 spokes
or 4 spokes attaching it to part 2, and the op
erating principle of the mechanism would remain
unchanged.
I claim:
1. In an automobile, a driving axle assembly
consisting of an axial shaft upon which is, loosely
mounted, a grooved sheave containing differen
tial gears radially disposed therein and having
cover plates, containing lubricant seals at their
of said rim with said lubricant sealing material
being held in rotatable contact with the backs of
said bevel gears of the differential, said hub and
its radial arms, or spokes, serving to maintain
50 said grooved rim in perpendicular alignment with
the said axial shaft and concentrically spaced
about same, and, being detachable from said rim,
providing for the placement, or removal, of said
radially disposed gears of the differential, said
grooved rim serving to transmit forces applied to
it by multiple belts, to the bevel gears of the dif
ferential, by means of its radially disposed dif
central` openings, attached to its sides, said sheave
being detachable from its hub, tubes secured to
ferential gears, and said cover plates serving to
and extending outwardly from each side of said
enclose the differential mechanism and to seal
sheave and rotatably'disposed on said axial shaft
and ooncentrically spaced about same by means 60 in the lubricant thereof.
3. In a driving axle assembly, an axial shaft
of anti-friction bearings, said tubes having dif
having
a diñîerential mechanism disposed loosely
ferential bevel gears fixed on their inner ends,
thereon, having axial tubes rotatably disposed
engaging, in opposition, the radially disposed dif
thereon in opposition, extending outwardly from
ferential gears, and sleeved hubs non-rotatably
each side of said differential and being concen
65
secured to said tubes on their outer ends, jour
trically spaced about said shaft by means'of anti
nal boxes, containing anti-friction bearings, jour
friction bearings and being rotatably secured on
naled on the sleeves of said sleeved hubs, a pair
said shaft by means of nuts threaded on each end
of radius rods, disposed one above the other, piv
of same, said axial tubes having bevel gears of
otally attached, in vertical alignment with the
axial shaft‘eenter line, to each journal box and 170 the differential ñxed on their inner ends and
sleeved hubs nonrotatably secured on their outer
extending forwardly to similar pivotal attach
ends, to which hubs vehicle wheels may be at
ment to the vehicle frame, vehicle springs seated
tached, and said axial tubes being journaled
against and secured to each journal box, and cir
through iloating journal boxes, said axial shaft
cular plates, having central openings for the free
providing a base for the parts assembled thereon
passage of said hub sleeves, vertically disposed at
l0
9
naled on said sleeves, and means for retaining
same, each said journal box having a pair of
radius rods, disposed one above the other, piv
and maintaining the axial alignment of said
parts.
_
~
4. In a driving axle assembly, axial tubes, dis
posed in opposition, on an axial shaft, rotatably
secured thereon and concentrically spaced about
same by means of anti-friction bearings, said
tubes extending outwardly from each sideV of a
differential mechanism loosely disposed on said
axial shaft, said tubes having differential bevel
otally attached and extending forwardly to
similar pivotal attachment to the vehicle frame,
a vehicle spring seated against and secured to
each journal box, and, a circular plate having
a centrall opening for the free passage of a
hub sleeve aforesaid and vertically disposed be
gears ñxed on their inner ends and sleeved hubs 10 tween the outer side of said journal box and the
outer end of said sleeved hub, said plate being
non-rotatably secured on their outer ends, the
rigidly attached to each journal box by means
sleeves of said hubs being journaled through
of angular brackets, said floating journal boxes
` floating journal boxes, said tubes serving to trans
providing
for connections between the axle and
mit forces between the differential and the
sleeved hubs, and being maintained in alignment 15 the vehicle frame, said radius rods serving to
transmit forces between the axle and the ve
by the said axial shaft.
hicle frame and to prevent rotation of the said Y
5. In a driving axle assembly, ñoating journal
journal boxes, said vehicle springs serving to sup
boxes disposed near each end of said axle as
port and spring the imposed-load, and said ver
sembly, driving tubes of said axle assembly,
sleeves provided with hubs secured on said driv
ing tubes, said journal boxes containing anti
friction bearings whereby the boxes are jour
20
tically disposed circular plates providing fixed
bases for the brake mechanism.
f
FRED B. MCCLURE.
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