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' Mmh 1-1, 1941.
6. I... LARISON
1 2,417,206
VEHICLE WHEEL SUSPENSION
Filed NOV. 30, 1943
4 Sheets-8.11961’, 1
GLENN L. LARISON
INVENTOR
ATTORNEYS
v
Mardl 11, 1947!
-
2,417,206
. cs. L. LARISON
VEHICLE WHEEL SUSPENSION
Filed Nov. 30, 1943
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4 Sheets-Shoat 2
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GLENN L-LAmsou
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ATTORNEYS
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March 11, 1947.
'_ 66-1.‘. LARISON
2,411,206
‘VEHICLE mam.- susnusxon,
' Filed Nov." 30,} 1943
‘ 4 Sheets-‘Shoot 4
A632,
mvamon
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cuguu 1.. LARlSON
BY
ATTORNEYS
Patented Mar. 11, 1947
A 2,411,206
UNITED STATES PATENT OFFICE.
2,417,206
VEHICLE WHEEL SUSPENSION .
Glenn L. Larison, La Grande, 0reg., assignor to
Larison Compensating Axle Corporation, a cor
poration of Oregon
Application November 30, 1943, Serial No. 512,352
5 Claims. _ (Cl. 280-104)
2
This application is a continuation in part of my
companion application, executed under the same
in Fig. 3 with‘ portions broken away to show
the rotatable supporting means for the wheel-oar
date, entitled “Vehicle suspension,” Serial No.
rying assemblies;
‘
512,351, covering the same general subject mat
Fig. 5--A is a fragmentary plan section of the
ter and which has issued as Patent No. 2,401,766, L1 device shown in Fig. 3 taken on the axis of rota
June 11, 1946. Reference accordingly should be
tion of the device;
'
made to the companion application. The inven
tions in both applications relate to the mounting
of vehicle wheels in pairs, with the wheel-spin
Fig. 6 is a fragmentary plan view of a portion
of the vehicle frame showing the pair of wheels
and wheel-carrying assemblies mounted at one
dles carried on arms arranged for up and down 10 side of the vehicle, the top platform of the vehi
movement in parallel vertical planes, and with
cle having been omitted for the sake of clarity.
the wheel-spindle arms interconnected by com
Fig. '7 is a sectional side elevation of a vehi
pensating mechanism so that the load supported
cle suspension embodying a single pair of wheels
by the two wheels of the pair will be divided
illustrating a slightly modi?ed form of spring
equally between them under all normal condi 15 control for the rotatable supporting means;
tions.
‘
The objects of the present invention are simi
lar to those set forth in the companion appli
cation. In the structures involved in both inven
tions the compensating or differential mecha
Fig. 8 is a sectional side elevation of a further
modi?ed form of spring control for the rotat
able supporting means, in which the spring and
related members are entirely enclosed in a house
20
ing; and
nism and the hinged wheel-carrying assemblies ,
Fig. 9 is a view in perspective of-the rotatable
are mounte on horizontal axes. In the par—
' wheel supporting means of the modi?ed form of
ticular species of the invention described in the
present application the differential mechanism
my invention shown in Fig. 8, the rotatable wheel
supporting means shown entirely removed from
is carried by a rotatable supporting member on 25 the housing bracket.
which the wheel-carrying assemblies are also
_ Referring ?rst to Figs. 1, 2, 3 and 6 a suitable
supported; The wheel-carrying assemblies are
mounting bracket I 2 is adapted to be secured to
connected‘respectively to the ends of the di?eren
the vehicle frame l0, for example by means of
tial mechanism. ‘Spring means are provided for 30 bolts H or by welding. A suggested formefor
controlling the rotational movement of the sup
this mounting bracket is shown more clearly in
porting member. Thus the wheel-carrying as
Fig. 3, and the bracket illustrated includes a pair
semblies may move up and down in opposite direc- '
of side plates i3, i3’, joined by an integral lat
tions, due to their connection with the differen
eral cross plate It, thus constituting an H
tial mechanism or compensating means, or the
shaped frame adapted to straddle the side mem
wheel-carrying assemblies may both move up or
ber iii of the vehicle frame. Each side plate, i3,
down in the same direction causing rotational
i3’ terminates at the bottom in a semi-cylindri
movement of the supporting member against the
cal, outwardly extending ?ange 29. The semi
force of the spring means.
‘
cylindrical ?anges 29 have horizontally extend
Referring to the accompanying drawings:
Fig. 1 is a fragmentary side elevation of one 40 ing ears 34 at their diametrically opposed ends
form of vehicle suspension embodying myinven
tion, this figure illustrating my invention used
with a single pair of wheels, the near-side wheel
having been removed for the sake of clarity;
Fig. 2 is a sectional side elevation of the vehicle 45
suspension of Fig. 1;
'
to accommodate bolts 36'. The bracket is preie
erably further braced by the integral webs 28’ at
each side. An integral vertical wall It’ (see
Fig. 2) also preferably extends between the side
plates l3, l3’ below the cross plate i4 primarily
for the purpose of keeping the mud from splash~
ing into'this space.
_
Fig. 3 is a view in perspective of the mounting
A semi-cylindrical cap 35, extending across the
bracket and wheel-carrying assemblies of Figs.
bottom of the bracket tolthe outside edgesvv of
1 and 2 showing the mounting bracket removed
from the vehicle frame and with the vehicle 60 the flangesv 29, and havingthe same internal di-v
. ameter as the semi-cylindrical flanges 29, has a
wheels removed;
pair of corresponding ears 36 at each end through
Fig. 4 is a view in perspective of the rotat
which the bolts 36' also extend, thereby secur
} able supporting means shown removed from the
ing the bottom cap 35 in place. A portion of
mounting bracket;
the bottom cap 35 is cut away inside the bracket
Fig. 5 is an end elevation of the device shown
2,417,206
3v
~
4
A composite rotatable supporting member or
means A (see Fig. 4), for the wheel assemblies
is carried within the bracket l2 and comprises
two identical sections l5 and I6 secured together
shock (it the shock is severe enough)‘ and further
reduce the eiTect on the vehicle. In Fig. 2 the
vehicle is assumed to be moving along a smooth
roadway in the direction indicated by the arrow
X with both wheel spindles in transverse aline
ment and with the spring 4| in its natural posi
by the bolts |'|. (See also Fig. 2.) Each of these
sections has an elongated hub IE3’ or IE’ respec
tion. In Fig. 1 it is assumed that the near side
wheel of the vehicle (not shown) has hit a sudden
tively, extending from the enlarged central por
small bump, which has not only caused the near
as indicated at 25' in Fig. 2, for a reason later
explained.
tion I8. A wheel-spindle-carrying arm 26 is 10 side wheel (and thus the near side wheel-carry
ing arm 26) to be raised, but the shock of the
rotatably journalled on each elongated hub l5’
bump has caused the rotatable supporting mem
or I6’ by bearings 21 and 28. (See Fig. 5.) The
ber to be rotated slightly counter-clockwise
spindle-carrying arms are also J'ournalled with
in the cylindrical housing formed by the ?anges
against the force of the spring 4|, causing the
29 and the bottom cap 35 by means of bearings 15' spring to be straightened out and occupy the posi
tion shown by the broken lines. A suitable stop
30 and 3|. A wheel spindle .32 is secured to each
33 (see Fig. 2) is preferably provided for the ro
spindle-carrying arm 26. The composite rotat
tatable supporting member in order to limit its
able supporting member A has a socket 40 on the
rotation and thus limit the upward movement of
exterior of the enlarged central portions i8 in
which the end of a short leaf spring 4| is ?xedly 20 the wheel-carrying arms. This stop also limits
the amount of strain to which the spring 4| can ,
secured (see Figs, 2 and 4). The opposite end of
be subjected, and furthermore makes it possible
leaf spring 4| is attached to a transversely ex
for the vehicle to continue temporarily even if
tending pin 42. Rollers 44 are mounted on the
the spring 4| should become broken. The re
outer ends of the pin 42 and are adapted to move
in the axially alined slots 43 in the side plates 25 siliency of the spring 4| should of course depend
upon the normal load to be supported at that
i3, I3’ of the bracket I2. The purpose of the
-
point in the vehicle and, if properly selected, no
spring 4|, as apparent from Figs. 1, 2 and 3, is
further spring mounting for the pair of vehicle
to control the rotational movement of the sup
wheels will be necessary. The cut-away portion
porting member A.
Referring to Fig. 5--A, a; differential mecha 30 35' of the bottom cap 35 of the bracket l2 and the
space between the side plates of the bracket enable
nlsm is located on the inside of the rotatable
the rotatable supporting member A to rotate to
supporting member. A plurality of di?erential
the extent permitted by the spring 4| and stop
pinions H) are journalled on stub shafts 20 which
33 without further interference.
are disposed about a central support ‘2| and se
Although I have shown leaf springs attached
cured between the sections of the rotatable mem 85
to the rotatable supporting member in my vehicle
ber so that their positions are ?xed. A pair of
suspension, it is possible to substitute other spring
(inferential gears 22 mesh with the pinions H!
means. In the modi?ed construction shown in
and are secured to shafts 23 which extend
Fig. 7, a rigid arm 60 is secured to the rotatable
through the elongated hubs l5’ and I6’ of the
rotatable supporting member. The outer ends 40 supporting means in the mounting for a single
pair of wheels.v A coil spring 65 is interposed be
of the shafts 23 terminate in enlarged circum
tween the end of the arm 60 on the underside of
ferential ?anges 24 with which the wheel-spin
the vehicle frame l0’. A headed plunger 6| is
dle-carrying arms 26 are connected by cap screws
slidably disposed through a boss 62 on the end
25 or other suitable means.
of the arm 60 and is secured to a chain 63, the
A differential mechanism is located on the
upper end of which chain is attached to the ve
inside of the rotatable supporting member A.
hicle frame member at 64. The chain and plunger
The manner of operation of the device de
connection permits limited free movement of the
scribed will now be understood by referring to
arm 60 with the flexing of the spring. However,
Figs. 1 to 6. If one of the two wheels of the pair
is raised the other wheel will be lowered a cor
60 if the vehicle is lifted above the ground, the chain '
responding amount, due to the differential or
acts to prevent the wheel-carrying arms from
compensating mechanism connecting the two‘
dropping all the-way down.
wheel carrying arms and located within the ro
In the modi?ed form of vehicle suspension
shown in Fig. 8 the rotatable supporting member
A’ is similar to the rotatable supporting member
A of Fig. 4 except that a rigid arm 15 (see also
tata le supporting member on which the wheel
ca , ing arms are rotatably mounted.
If both
of',the wheels are raised simultaneously (without
raising the frame of the vehicle) the rotatable
supporting member would have to be rotated
_
Fig. 9) extends from one section (I5) of the ro
tatable supporting member and is adapted to
engage a link end 76 to which it is connected by
slightly counter-clockwise against the force of
the leaf spring 4|. When the vehicle is travelling 00 means of a pin 11. The housing bracket 18 differs
on the roadway and the two wheels suddenly en
counter a bump causing them both to be raised,
the spring 4| will tend to ?ex (depending of
from that shown in Figs. 1, 2 and 3 in that it is
split longitudinally, the two halves being secured
together .by bolts 19. The housing bracket in
cludes a cylinder 80, the half sections of which
course upon the intensity of ‘the resulting shock
and the load of the vehicle), and this ?exing of 65 are preferably formed integral with the sections
of the main portion of the housing bracket ‘I8.
the spring will cushion the shock and reduce the _
A compression spring 8| is disposed within the
effect on the vehicle of the sudden raising of the
cylinder 80 and is retained therein by a remov
wheels. Similarly if only one of the wheels
able cylinder head 82. The inner end of the com
of the pair strikes the bump in the roadway the
shock from the vehicle wheel will also be cush 70 pression spring BI is engaged by a piston 83 at
tached to a rod 84. The rod 84 in turn is at
ioned. Under such condition the composite
tached to the link end 16. A lighter and shorter
mechanism will act in the usual manner to reduce
recoil-cushioning spring 85 is placed between the
by one half the lifting ciTect produced by the
piston 83 and a shoulder at the inner end of the
raising of one Wheel, and the spring controlled
rotatable supporting member ‘will'cushion the 76 cylinder 80.
5
6
~rI'his modi?ed construction, illustrated in Fig.
8, in addition to employing a coil spring in place
of the leaf spring of Figs. 1 and 2, enables the
spring and associated. members to be entirely en
closed in the sealed housing thus completely pro
tecting the same from dirt and grit and simplify
ing the problem of lubrication since the housing
member to be rotated with said assemblies, and a
resilient element attached to said supporting
member controlling the rotation of said support
ing member and acting to cushion the shocks to
the vehicle transmitted through said assemblies
and said di?erential,
,
tion, may be formed in slightly modi?ed shapes
_ and mounted for rotation in various ways within
I claim:
1i. In a mounting for a pair of vehicle wheels,
a bracket, said bracket attached to the vehicle
frame, a supporting member carried in said
bracket and mounted icr rotational movement
on a horizontal axis, a pair of wheel~spindle as»
can be ?lled with oil.
The rotatable supporting member or means,
which is an essential part of the present inven
the supporting bracket or housing.
,
~
4
1. In a vehicle running gear assembly, a sup»
porting member mounted at one side of the Ve~
hicle for rotational movement on a horizontal
semblies rotatably mounted on said supporting
member, differential mechanism carried within
said supporting member and connected to said
supporting member, each of said wheebspindle
assemblies connected to said differential mech~
, anism, said differential mechanism so constructed
and arranged that upward movement of one
axis and extending transversely with respect to
wheel-spindle assembly will cause relative oppo»
the vehicle, a pair of wheel-spindle assemblies
rotatably mounted on said supporting member 20 site movement of the other wheel-spindle as
and pivoting on the same axis as said supporting
member, compensating mechanism carried by '
said supporting member and connected to said
supporting member, each of said wheel-spindle
assemblies connected to said compensating mech~
anism, said compensating mechanism so con
structed and arranged that upward movement
of one wheel-spindle assembly will cause relative
sembly, but said differential mechanism so con»
nected with said supporting member that move~
ment of both assemblies in the same direction will
cause said supporting member to be rotated with
said assemblies, and a' spring attached to said
supporting member and to said bracket control
line the rotation of said supporting member and
A acting to cushion the shocks to the vehicle trans»
mitted through said assemblies and said differ» opposite movement of the other wheel-spindle
assembly, but said compensating mechanism so 30 ential.
5. A mounting for a pair of vehicle wheel com
connected with said supporting member that
prising,
supporting member mounted at one
movement of both assemblies in the same direc~
side of the vehicle for rotational movement on
tion will cause said supporting member to be
a horizontal axis and extending transversely with
rotated with said assemblies, and resilient means
controlling the rotation of said supporting mem 35 respect to the vehicle, a pair of wheel-spindle
assemblies rotatably mounted on the ends of said
ber.
.
supporting member respectively and pivoting on
2. In a mounting for a, pair of vehicle wheels,
the same axis as said supporting member, com-'
a supporting means mounted for rotational move
pensating mechanism carried within said sup
ment on a horizontal axis, a pair of wheel-spindle
porting member and connected to said support~
assemblies rotatably mounted on said supporting
ing member, each of said wheel-spindle assem
means and pivoting on the same axis as said
supporting means, differential mechanism carried . blies connected to said compensating mechanism,
said compensating mechanism so constructed and
by said supporting means and connected with said
arranged that upward'movement of one ‘wheel
supporting means, each of said wheel-spindle as
ll5 spindle assembly will cause relative opposite
semblies connected to said differential mecha
movement of the other wheel-spindle assembly,
nism, said differential mechanism so constructed
but said compensating mechanism so connected
and arranged that upward movement of one
wheel~spindle assembly will cause relative oppo- ,
_ with said supporting member that movement of
both assemblies in the same direction will cause
site movement of the other wheel-spindle assem»
said supporting member to be rotated with said
50
b‘y, but said differential mechanism so connected
assemblies, and resilient means attached to said
with said supporting means that movement of
both assemblies in the same direction will cause
said supporting means to be rotated with said as
semblies, and means attached to said supporting
means controlling the rotation of said supporting
means.
supporting member and .to the vehicle frame
controlling the rotation oi‘ said supporting mem~
her and acting to cushion the shocks to the ‘ve
hicle transmitted through said assemblies and
said compensating mechanism.
'
3. In a vehicle suspension, at supporting mem
ber mounted at one side of the vehicle for rota.»
tional movement on a horizontal axis and eX~
GLENN L. IARISON.‘
REFERENCES CITED
‘*0
The
following
references are of record in the
tending transversely with respect to the vehicle,
?le‘ of this patent‘:
‘
a pair of wheel-spindle assemblies rotatably
mounted on the ends ",oi' said supporting menu
ber respectively and pivoting on the same axis
as said supporting member, diii’erentiai mechan~
ism carried within said supporting member and
connected to- said supporting member, each of
wheel-spindle assemblies connected to said
'" “
Number
mechanism so connected with said supporting
member that movement-of both assemblies in
the same direction will cause said supporting
llllate
2.2363734
_ Running _____________ .. Apr, 1, 1941
2.286576
2,206,359
2,284.565
Ronning __________ .. June 16, 1M2
Larison ___________ _- July 2, 19%
Larison ___________ __ June 2, 19d?
di?'erential mechanism, said differential mechan
1,894.7“?6
ism so constructed and arranged that upward
movement of one wheel-spindle assembly will '79 2,013,994
cause relative opposite movement of the other
wheel~spindle assembly. but said differential
S'I‘ATES PATEWI'B
Name
Number
608.558
Liang ________ was.“ clan, ‘i’l, ltliii'i
Schutte mammal".-- aept. 1D, 1935
FGREIGN' PATENTS ‘
Country
.‘Jate
‘French ............ w Apr.
laid
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