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Патент USA US2133827

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Oct. 18, 1938.
M. MILLER
>
2,133,827
WHEEL ALIGNING APPARATUS
Filed April 1.5, 1937
4 Sheets-Sheet l
ATTORN E‘V 5
Oct. 18, 1938.
M, MlLLER A
2,133,827
WHEEL ALI GNING APPARATUS
. Filed April 15, 1937
4 Sl'leetS--Sheeí'I 2
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ATTORNEYS
Oct. 18, 1938.
M. M|LLER
2,133,827
WHEEL ALIGNI'NG APPARATUS
Filed April 15, 1937
4 Sheets-Sheet 5
L
Michael/W
MM35’
ATTORNEYS
Gct. 1,8, 1938.
M. MlLLER
2,133,827
WHEEL ALIGNING APPARATUS
Filed April l5, 1957
4 Sheets-Sheet 4
ATTORNEYS
_
2,133,827
Patented Oct. 18, 1938
.UNITED sTATEs PATENT OFFICE
2,133,827
WHEEL AIJGNTNG APPARATUS
Michael Miller, Trenton, N. J.'
Application April 15, 1937, Serial No. 131,105
10 _.Claims. (Cl. 33-203)
al I indicates a fixed base en_whichis pivotally
This invention relates to an apparatus for
gauging wheel alignments of motor vehicles and
has for the primary object the provision of a
V,portable device of this character on which a mo
~¿. 5 tor vehicle may be easily driven and which will
mounted for a limited oscillatory movement a
supporting member >2,-the pivot beingshOWn at 3.
>The supporting member 2 has >journaled thereon
rollers >I‘I which ride on the base l andthe os- .-,5
be self-adjusting to the Wheels of the vehicle cillatory movement of the supporting member ¿is
and which will `permit a person or the operator limited‘by stops 5. kJournaled on the supporting
of the device to easily and quickly determine toe, _member 2 are rollers 6 which slidably `support
camber, and caster of the wheels and to indicate plates 1 and fixed to _said plates andrto the _pivot
¿l0 clearly and accurately when the Wheels have 3 are coil springs 8. The plates 1. slide-endwise 151.0
ofthe supporting member. androtatably sup
ported on the plates ‘_1~ are ,turntablesv „79, anti
friction bearingsl I_0 being providedbetween the
been trued or brought into proper alignment. v
With these and other objects in view, this in
vention consists in certain novel features of con
struction, combination and arrangement of parts
15 to be hereinafter
more fully described and
claimed.
For a complete understanding of my invention,
reference is to be had to the following descrip
tion and accompanying drawings, in which
.20
Figure 1 is a top plan view illustrating an ap
paratus for the alignment of motor Vvehicle
wheels constructed in accordance with the pres
ent invention.
Figure 2 is a sectional view taken on the -line
2-2 of Figure 1.
. .
Figure 3 is a fragmentary end elevation illus
trating the device.
'
Figure 4 is a sectional View taken on the line
4-4 of Figure 2.
'
Figure 5 is 'a sectional view taken on the line
5-5 of Figure 4.
.
'
Figure 6 is a transverse sectional view taken
on the line 6-6 of Figure 1.
-l
Figure '1 is a sectional view taken on the line
. 5 1-1 of Figure 3.
Figure 8 is a sectional View taken on the line
8--8 of Figureß.
Y `
`
»
Figure 9 is a fragmentary transverse 'sectional
view showing an adjustable indicator.v
k40
y
Fig'ure 10 is a fragmentary vertical sectional
view illustrating said indicator.
~ A
Figure 11 is a fragmentary vertical view illus
trating another indicator.
'
Figure 12 is a plan vieW illustrating a scale
f Í'plate used in connection with the indicator
shown in Figures 9 and 10.
a
Figure 13 >is a plan view illustrating a scale
plate.
'
'
'
Figure 14 is a plan view illustrating another
scale plate.
Figure 15 is a
>
>plan` view illustrating another
scale plate.
y
Figure 16 is a fragmentary top plan View illus
trating the ramp used in connection with this in
vention.
.
'
’
"
Figure 17 is afragmentary topplan view il
lustrating a modified form of ramp.
”
Figure 18 is a detail sectional View taken on
.the line I8-I8 of Figure 3.
v,6,0 Y Referring in detail to the drawings, the numer
turntables and the slidable plates.
Removable .
pins Ilr are provided for releasibly securing the ¿1_5
turntables against rotation by engaging >,in open
ings formed in the slidingplates. ' Any> rotary
lmovement of the turntables is resistedby coil
springs I2. Scale plates I3V are secured» o_nçthe
supporting member and extend longitudinally
thereof and the sliding plates carry pointers AI4
which cooperate with thescale plates. tok indicate
the amount of sliding movement of the~sliding
plates during the use. of the device. The scale
plates I5’are secured on .the sliding plates> and
cooperating "therewith are indicators I6 ñxed on
Vthe turntables. The indicators’lBand scale
`plates`r-I5: are for thepurposei of measuring lthe
:movement o-f the turntables. ,Opposed indi
cators I1 are fixed on the turntables and operate v30
in conjunction with-a scale> I8 of a scale plate I9
-suitably mounted on the base. The sliding plates
vhave secured thereto opposed rackbars 20. geared
together, as shown at- 2|, so that'movement of
one ofthe sliding plates will beimparted tothe 35
other sliding plate.'>
-
'
.i
‘
Y Hinged _on the turntables are opposed tread
'.»plates 22, Athe hinges therefor being indicated at
23. The tread plates normally assume positions,
as shown in Figure 6, so that a >vehicle may be
.£10
readily driven upwardly thereon.> When the
Wheels of the vehicle'come to rest on the tread
plates> they assume a dotted line position, as
shown in Figure 6. a
'
`
_
'
i
Tire engaging plates 24` are pivoted on the .45
tread plates 22 adjacent’their opposiing ends to
be engaged bythe tires of the Wheels,_and are
provided with anti-frictionrollers 2i’.` >Hinged
on the tread plates 2 are substantially lvertically
arranged inner side> plates- 25 and have ls'lidably
-50
connected thereto> T-shaped members 26 they be
ing pivotally and slidably mounted on bracketsl 21
carried by the turn tables. The' side plates 25
Aare to engage Vwith the inner side. Walls of the `
tires of the'wheels of the vehicle and are in 55
>iiuencecl in engagement with said tires by coil l
springs 28. The springs 28 are mounted on the
T-shaped members between the head ends there
of and the brackets 21.
. Brackets 29 `arefixed on the turn-tables and
2,133,827
have mounted thereon outer side plates 30. Said
outer side plates have a limited movement rela
tive to said brackets by ball and socket joints, in
dicated at 3|. Also the ball and socket joints ar'e‘
adjustably ¿connected onto the brackets 23 per
mitting the outer side «plates «to be moved towards
and from said brackets. Yieldably connected
to the side plates 30 are face or tire engaging
plates 32 and may be adjusted relative to the
10 side plates 30 by set bolts 33, one o’f -which has a
scale 34 to aid in adjusting the face plates .at de
sired angles to the side plates. It is to be under
stood that the face plates of the side plates en
gage with the outer Walls of the tires :adjacent
15 the lower portions of the tires, the spring iniiu
enced inner plates acting to adjust the device so
that the face plates contact the sidewalls of -the
tire with desirable pressure.
’Gauge mountings '35 are rotatably -a-nd detach
Yably mounted on the side plates '30 and integral
therewith are sleeves 36 to adjustably support
posts 31 -of fscribers 38. The scribers are adjust
ably mounted `on the posts. Spring pressed »balls
39 »are provided for -securing -th'e ’posts -ì-n adjusted
positions. Arms -40 »are lformed .on the sleeves 36
and have -detachably 'secured thereto Lgauge sup
porting brackets 4I including ‘pivotally connected
sections 42 and 43. The sections Í'42 may be ad
justed relative Sto the sections 43 Land ìheld in
`adjusted positions by set Abolts 44. Journaled =on
the sections 42 are indicator casings 45 each ¿hav
lng pivotally mounted therein :a weighted »pointer
46 operable «in relation Ito a .scale plate 41. The
casings `45 have the scale plates 41 adjustab’ly
mounted thereon `and may- be held .against :move
ment by pins `48 »ñttingvinop‘enings of the casings.
Finger pieces 49 are .secured `:to the 'scale plates
whereby said scale plates may be rotated when
nrst moved 'so as to disengage .the Apins trom the
l'41) openings in the casinga Theiscale .plates fare of
substantially ‘triangular lshape and vhave .gradua
ïtion's >along the edges thereof. The .pointers "46
operate in conjunction with .the 4g-raduation's 'on
the vscale plates 41. 'The .set :bolts »44 '.ïpermit the
115 casings 45 of the vindicators :to be adjusted Ato
bring .said `casings into Avertical position. The
Iscale plates 41 _and the pointers "46 are employed
¿for obtaining the caster and camber »of Wheels o'f
.a motor vehicle, While the toe ‘of the wheels
lobtained through the turning fof Athe turntables
with their indicators I1 operating over the scale
I8.
'
Secured 'on the tread plates :22 adjacent `their
‘outer ends are upstanding socketed members 49'
to removably receive -chocks -50 yacting to -prevent
the vehicle from rolling off of the tread ‘plates
yduring the use of the device. Certain'of `thesock
eted members form posts for the -innerside _plates
25 to hinge on. When the device is *non-occupied
Leo by the vehicle, the tread plates 2,2 «assume the po
sition shown -in .full lines -in Figure 6 andare sup
ported a slight distance from the -ifloor »on which
`the device rests >by springs «5I and AWhen'not en
`gag'edßby Wheels of a vehicle they -`may move :dow-n
into engagement with theiloorfso that the -vehicle
vmay lroll upwardly 'on to the device. fAs the
wheels yof the vehicle `come to rest on the ytread
engaging pla-tes 24, the tread plates :22 -‘assume
the dotted fline position vshown iin Figure >6 with
ro «their vadjacent; ends resting upon the :turntables
--As the wheels roll :onto the itre'ad .plates and kthey
Vfassume the dotted line v»position Vfin Figure <6, lth‘e
-inner and outer ~side plates ycontact fthe walls of
the tires, as shown in Figure "2, «and zthe sliding
Vplates adjust 'themselves to the >tread or track
age of the wheels, the correct reading of the tread
or trackage is given by the pointer I 4 on the scale
I3. Prior to driving the vehicle onto the device,
the front Wheels are elevated from the ground
'and markings are applied to the tires of said
wheels, the .markings extending circumferentially
of the tires and at the centers of the treads of the
tires. With the tires thus marked and the ve
hicle upon the tread plates and the bringing of
the "scribers to align with said markings first at l0
the 'back of the Wheels and then at the front of
the wheels Will adjust the outer side plates to
the toe of the Wheels. The turntables rotating
with lthe swinging of the outer side plates Will
bring about a toe reading for the wheels by refer 15
ring to the pointers I6 vand scale plates fI-5, thus
permitting the operator ~to accurately check the
-»toe of the Wheels.
To obtain -a reading of the camber .fof the
wheels on the device, ‘the plates132 are adïjus'tedfto 520
assume an inclination corresponding to the wheel
camber through the »adjustment ofthe fse't bolts
33 and 34. 'The butt 'ends or .non-pointed ends
of the scribers are then brought îin'to engagement
>with the'upper portions of the tires against >the 25
side Walls of the latter. The adjustment of the
plates 32 -and the scribers as described 'causes
the indicator casings to tilt at inclina-tions fcor
responding to >the camber `of `the wheels `and ‘as
the pointers Athereof are weighted and thescale
plates of the casings moving relative to >fsaid
Weighted pointers gives 'a correct reading fof 'the
wheel camber. The indicator casings -when vmak
ing the -camber readings `are .positioned las `~shown
at the left hand side of Figure .2, that is, withîthe
scale plates facing forwardly and the person -or
operator making the reading facing the front tof
the Vehicle. After obtaining a reading 'of the
camber of the wheels and it is desired ‘to obtain a
caster reading of the Wheels, the indicator cas
ings 45 are adjusted to assume the position, as"40
shown at the right hand side of Figure 2, that is,
the scale plates Abeing read by the operator stand
ing facing the side of the vehicle'. The indicator
Vcasings are then adjusted >to bring about a îzero
reading upon their scales by opera-ting the ad
justing bolts 44. In other words, the indicator
casings are brought to >assume vertical positions
Ito obtain the fzero reading.V The indicator cas
ings are then turned to face rearwardly -of vthe ve
hicle. The wheels of the vehicle are then -steered
to the right and then to the left and with the
operator standing first l«at one side and then at
the other side of the vehicle to note the caster
of the Wheels by reading the positions assumed
by the Weighted pointers on -the scale plates -4-1. .55
Whenever it is desired to- lock the turntables
against rotation in either direction, »the -pins II
are brought into the openings of the sliding tables
or plates 1. The sliding plates 1 and the turn
tables mounted as described will .permit .the 60
tread plates to readily adjust themselves prop
erly to the trackage of the wheels as said wheels
Íroll onto the tread `plates and as the Wheels come
to rest on the tire engagingplates 24 they will
permit the inner side> plates »to shift ther'sliding
plates 1 so that the outer side plates engage
the Vouter side Walls of the tires. The inner `side
-plates being yspring pressed ywill readily bring
about this adjustment. The inner side plates
70
may be termed presser .plates to bring about 'the
last referred 'to adjustment.
‘
Figures f52 are .pivotally mounted on -the in
dicator casings 45 and maybe positioned to par
'al'lel `sai'cïl casings -or to >extend» at «rig-ht angles
~Í 3
22,133,827
named scales, ramp plates carried bythe turn
thereto. To obtain correct readings onrthis 'de
engagedy by wheels' of a vehicle,
»tables
vice it is important that thetires of the Wheels t presser to’be
plates carried by the ramp plates and
contain the same amount of air pressure and in engageable with side Walls of tires of the wheels,
order that this reading be obtained with the use « adjustable side plates carried bythe ramp plates 5
of my invention, either one Aof the indicator to engage Walls of the tires of the Wheels oppo
casings is removed from the device and rested on site to the presser plates and adapted to be ad
some part of the device and with one of the fm .,justed to incline in a plane corresponding to the
gers occupying a right angle position to the camber of the wheels, indicators connected With
casing is brought into engagement with 'the hub» and actuated by said adjustable side plates, and§l0
of the Wheel and the other ñnger brought> into Vadjustable scribers carried by the adjustable side
engagement with the wall of the tire at the l'plates for cooper-ation .with markings made on
lower porion of the tire. A certain reading» will the tires ofthe Wheels.
Y
Y ..
then be given on the scale in accordance with
, 3. A machine of the character set forth com
the inclination of the indicator casing. -`Noting Y prising a base, an elongated supporting memberg 15
this reading and carrying out the same opera
.pivoted on said base for a limit-ed pivotal move
tion on the other Wheels the .operator can readily ment relative 4thereto and having scales, plates
determine if the tires carry the `same air pres
slidably mounted on the supporting member and4
sure. If not, the tire having the most air there
movable endwise oi the latter andhaving lscales
in can be deflated until its air pressure' agrees Vand pointers and said pointers movable' over the320
.first-named scales, turntablesv mountedbn said
20 with the air pressure of the other tires.
Ramps 53 may be pivoted on certain of the plates andincludingpointers movable „over the
tread plates and slidably> connected, as shown secondnamed scales, rampl plates vhinged ori-the
at 54, and further connected by rack bars 55 . turntablesto be engaged by Wheels ofY a‘vehicle,
geared together, as shown at 56. ` `The ramps v.tension presser plates carried by the vramp plates; A25
when engaged by the Vwheels will readily adjust 4to engage .with side walls of tires of the Wheels,
themselves to the trackage of the wheels.V In
vadjustable gauge plates carried by the vramp
stead of having the rampsfadjustably connected plates to engage Walls ofthe tires .of the wheels
together as described, they may be pivoted onto opposite to said presserplates and adapted to
-a connecting bar 51 and each have a pin and be adjusted to incline in a plane correspondingfîfßo
slot connection 58 to itsrespective tread plate, to the camber of the Wheels and pendulumtype
30
this form of the invention being shown vin Fig
indicators connected with thel adjustable gauge ,
Aure l1.
plates and actuated by the latter.
The indicator casings 45 are rotatably and
tachably connected to the sections 42 of
adjustable arms 4I, as shown at 59. The
justing arms 4l are detachably connected to
arms 40, as shown at 60.
de
the
ad
the
4- A machine of the character set forth com
i prising a
base, an elongated supporting memberïßö
pivoted on said base for a limited pivotal move»
ment relative thereto and having scales, plates
slidably mounted on the supporting member land
movable endwise of the latter and having scales
The tire engaging plates 32 being yieldably
and adjustably mounted on the side plates 30 « and pointers and said pointers movable over theájáo
will permit said side plates to be accurately ad
40 justed to the camber of the Wheels regardless Ainst-named scales, turntables mounted on said ~
plates and including pointers movable over the
of defects occurring on the walls of the tires.
second named scales, ramp plates hinged on the
turntables to be engaged by Wheels of a vehicle,
What is claimed is:
_
~
1. A machine of the character set forth com
tension presser plates carried by the ramp platea-45
prising `a base, an elongated supporting member `to engage with side Walls of tires ofthe Wheels,
pivoted on said base intermediate the ends there
adjustable gauge plates carried by the ramp
of and having a limited pivotal movement rela
plates to engage walls ofthe tires of the Wheelstive to said base and provided with scales ex
oppositeV to the presser plates and adapted to be
tending longitudinally thereof, plates slidably adjusted tor incline in a plane corresponding to,.50
mounted on the supporting member and movable the camber of the Wheels, pendulum ‘typeindi-J
50 endwise of the latter and having scales and
-cators connected .with the adjustable gauge plates
pointers with said pointers movable overl the and actuated by the latter, and means for ad
ñrst-named scales, turntables mounted on saidv justing the indicators to bring them into perpen
plates and including pointers movable over ,the dicular position.
.
. vi
A
I ¿K55
second named scales, ramp plate's'carried by the
5;.»A machine of the character set forth com
55
turntables to be engaged by wheels of a vehicle, prising a base, an elongated supporting mem
presser plates carried by the >ramp plates and - ber pivoted on said base for a limitedîpivotal
engageable with side Walls of tires of the Wheels, movement relative thereto and having scales,
adjustable side plates carried by the ramp plates plates slidably mounted on the supporting mem-„60
-be-r and movable endwise of the latter and hav
v60 to engage Walls of the tires of the Wheels oppo
site to the presser plates and adapted to be ad
ing scales and pointers and said pointers movable
justed to incline in a plane corresponding to the over the first named scales,- turntables mounted
camber of the Wheels, and indicators" connected on said plates and including pointers movable
with and actuated by said'adjustable sideV plates.
- over the second-named scales, ramp plates¿65
2. A machine of the character set forth com
hinged on the turntables to be engagedby wheels
prising a base, an elongated supporting member of'a vehicle, tension presserk plates carried by
pivoted on said base intermediate the ends there
the ramp plates to engage With side walls of
of and having a limited pivotal movement rela
tiresof the wheels, adjustable gauge plates'car
tive to said base and provided with scales extend
ried by the ramp plates to engage Walls of thes7,0
ing longitudinally thereof, plates slidably mount ` tires ofthe Wheels opposite to the presser plates
ed on the supporting member and movable end
and adapted to be adjusted to incline ina plane
wise of the latter and having scales and pointers corresponding to the camber of the Wheels, pen
with said pointers movable over the iirst named dulum type indicators connected with the ad
scales, turntables mounted on said plates and justable gauge plates and actuated by the latter,y 75
including pointers movable over the second
75
4
`2,133,827’
means for acti-Listing the -indicators to bring .them
into perpendicular position, and rack bars se »plates fand actuated .by the latter, means for ad
cured to the >firstv named plates >and geared justing the indicators to bring them into per
together.
pendicular position, .ra-ck :bars secured to the ñrst
named plates :and geared together, springs con
=6. A machine »of the character .set forth ïcom
nected on said ñrstv named plates., springs con- :5
prising >a base, an elongated supporting .mem
.ber pivoted «on fsaid :base Afor 4a limited pivotal rnected fon vsaid ."turnftables, anti-friction means
movement relative thereto fand .having scales, `between the .first named plates and the support
.ing member, and Vanti-.friction means between
plates .slid-ably mounted ~'on the supporting mem
'10 ber and movable endwise of the latter land hav
-’the »turntables and the ñrst-named plates.
9. A machine of the character set forth com- 10
ing :scales :and pointers 'and ssai'd pointers .mov
Iable :over `the first .named scales, turntables prising a‘base, an elongated supporting member
mounted on said plates and including pointers pivoted -on said :base for a limited pivotal move
movable @over the second-.named scales, ramp _
,ment relativeV Ithereto and having scales, plates
plates hinged `on the turntables Yto be engaged :slida'blymounted -on ‘the supporting member >and
by Wheels of 'a vehicle, tension presser plates vmovable endwise :of the latter and having scalesg’15
carried by the :ramp plates to engage with side 'and pointers :and -sai-d .pointers movable over the
Walls =orf tires of thu wheels, adjustable ,gauge ñrst named scales, lturntables mounted on sa1d
plates tcarried by the :ramp plates to vengage walls plates and .including _pointers movable over the
of the tires :of the wheels opposite to the presser :second named scalearamp plates hinged Íon the
plates and .adapted to'be Aadjusted'rto incline in a turntables to beengaged by wheels of a vehicle, A20
plane Acorresponding to .the lcamber of the Wheels, tension presser plates carried by the ramp plates
lto engage ‘with :side walls -of tires of the wheels,
>pendulum :type indicators .connecte-cl with the ad
justable gauge plates :and actuated by the latter, adjustable ,gauge plates carried by the ramp
25 means foradjusting the indicators to bring them plates to'fenga'ge walls 'of the tires -of the wheels
into perpendicular position, rack :bars Vsecured to opposite Jto the presser plates -and adapted to bex25
‘the Iirst named plates and .geared together, and adjusted :to incline in :a1-plane corresponding to
the `camberuof .the `Wheels, pendulum type indí
springs connecting :said ñrst :named plates.
cators .connected with .the adjustable gauge
57. ¿Amachine of the character `set forth com
"30 prising :a base, an elongated lsupporting member --platœarrd actuatedby :the latter, means for ad
justing the indicators to bring them into per-.n30
pivoted
said -base ,for ya limited pivotal vmove
ment relative thereto Vand :having scales, plates
slidably mounted on the supporting ,member :and
movableen'dwise fof 'the latter 4and having scales
'and pointers :and said pointers .movable over the
first named scales, turntables .mounted on said
'plates and ¿including pointers .movable over the
.second named scales, ramp plates hinged on the
turntables to :be engaged by Wheels of a vehicle,
.tension presser .plates carried by the ramp Íplates
`to engage `.With side >Walls of tires fof. the wheels,
adjustable .gauge plates carried by the ramp
plates ‘to fen'gage `Walls .of the .tires of the wheels
opposite to the presser ,plates and adapted to be
45 `adjusted to incline ,in >a plane :corresponding to
~’che camber of the wheels, pendulum type indi
cators :connected with the adjustable gauge :plates
and 'actuated ¿by the latter, .means Y'for ladjusting
the indicators to bring them Ainto 4perpendicular
position, `rack bars secured to the first named
plates 'and geared together, :springs >connected
pendicular‘position,.1rack .bars secured to the
first named plates and geared together, springs
connected =on said ñrst named plates, springs
connected onrsaid turntables, anti-friction means
between the ñ-rst-named plates and the support-‘,335
ing member, anti-friction :means between the
turntables and the ñrstnamed plates, and auxil
iary 'ramps connected ¿on said ramp plates.
l0. lA machine fof the Ycharacter set forth com
prising la base, .an -elongated supporting member@
pivoted on said base for a limited pivotal move
ment :relativethereto and having scales, plates
slidably mounted on the supporting member and
movable .endwise xof the latter .and-havingscales
.and pointers andsaid pointers movable over the¿
.-iirst named scales, ¿turntables mounted on said-plates ¿and 4including pointers movable over the
>second .named scales, ramp plates hinged on the
turntables tobeeng-aged »by wheels of a vehicle,
tension ,presser plates carried by the ramp plates150
to engage with side walls oïf tires .of the wheels,l
.adjustable gauge plates carried fby the ramp
.-8. AA machine -of ithe character :set .forth com „plates to engage walls of the .tires of the Wheels
prising a base, an elongated supporting member opposite to -the presserplates Tand adapted to be
adjusted to .incline ina plane `corresponding to _
pivoted on said base for a limited pivotal .move
ment relative thereto -and having scales, plates the camber -of .the Wheels, pendulum type indi
slidably mounted on the supporting member `and cators connected >with rthe. .adjustable gauge
>movable endwise of the latter and having scales ,plates and adjusted b_v the latter, means for ad
and pointers and :said pointers movable .over .the justing the indicators'to bring them into per
pendicular position, v.rack bars secured to the_„60
first-named scales, lturntables mounted -on said
first
named plates .and .geared together, springs
plates land yincluding vpointers movable over the
second named scales, ramp plates hinged on the connected on -said ñrst named plates, springs
turntables to be engaged :by Wheels of a vehicle, »connectedfon saidturntables, anti-friction means
tension presser plates carried by the ram-p plates `between lthe ñrst-named _plates and the support
to engage with .side walls .of tires of the wheels, .ing member., anti-friction means between -thegß5
adjustable gauge plates carried by the ramp turntablesgand »the ,first named plates, auxiliary
plates :to -engage walls of the tires of the Wheels ramps connected -on said ramp plates,l and tread
opposite to vthe presser plates and adapted to _plates .pivotally and 'ant-frictionally connected
.be adjusted to incline in a plane corresponding with the ramp `Aplates .to be engaged by treads -of
the .tires -of :the wheels.
to the camber of the wheels, pendulum type in
MICHAEL MILLER. »ï’T 0
dicators connected with the adjustable vgauge
on 4said first-.named plates, .and ¿springs -con
nected on ysaid turntables.
.
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