us 7967310
TRANSCRIPT
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8/11/2019 Us 7967310
1/11
US007967310B2
( 1 2 )
Ulllted States Patent
( 1 0 )
P a t e n t
N 0 . : U S
7 , 9 6 7 , 3 1 0 B2
Frasch e t a ] . ( 4 5 )
Date
o f P a t e n t : J u n .
2 8 ,
2011
( 5 4 ) WHEEL SUSPENSIONFORTHE REAR 5 , 0 0 0 , 4 7 7
A
* 3 / 1 9 9 1
Minakawa
t
a l . 280/124136
WHEELSOFAMOTOR
VEHICLE 5,048,858 A 9/1991 Luger . . . . . . . . . . . . . . . . . . . . 280/124.136
5 , 1 1 6 ,0 7 6 A *
5 / 1992 Moll
. . . . . . . . . . . . . . . . . . . .
. .
280/124.138
. . . _ 5,415,427 A 5/1995 Sommerer t a l . 280/124.142
( 7 5 ) I n v e n t o r s : wlllhelm Frasch,
O b e r _ b 0 1 h 1 n g e n
( D E ) ,
5 , 4 9 9 , 8 3 9
A
*
3 / 1 9 9 6
Wahl
t
a 1 2 8 0 / 1 2 4 1 4 5
Relnhard K u n e r t , WBISSaCh DE) 6 , 7 5 2 , 4 0 9 B 1 6 / 2 0 0 4
K u n e r t
7 , 2 5 8 , 3 5 5 B2 8 / 2 0 0 7
Amano
. . . . . . . . . . . . . . . . . . 280/124.134
( 7 3 ) A s s i g n e e : g j r i g g n g . h . c . F . P o r s c h e A G ,
S t u t t g a r t
( C o n t i n u e d )
FOREIGN
PATENTDOCUMENTS
( * ) N o t i c e :
S u b j e c t
t o any
d i s c l a i m e r ,
t h e term
o f
t h i s
D E
3 6 4 2 4 2 1 C2 @1987
p a t e n t i s
extended
o r a d j u s t e d under 35
_
U . S . C .
1 5 4 ( 1 ) ) b y 1 5 5
d a y s .
( C o n ? r m e d )
( 2 1 ) A p p l . N o . : 1 2 / 3 3 9 , 9 6 3
OTHER PUBLICATIONS
( 2 2 )
F i l e d
Dec 1 9
2008
L u d w i g
S e e t h a l e r , I n d e p e n d e n t W h e e l S u s p e n s i o n
f o r
D r i v e n R e a r
l
W h e e l s of M o t o r
V e h i c l e ,
A p r . 3 , 1 9 9 7 , Germ an P a t e n t Of?ce,
DE
( 6 5 )
P r i o r P u b l i c a t i o n
Data 1 9 5 3 5 9 2 3 A l ,
M a c h i n e T r a n s l a t i o n o f D e s c r i p t i o n . *
US
2 0 0 9 / 0 1 6 0 1 5 4
A1
J u n . 2 5 ,
2 0 0 9
( C o n t i n u e d )
( 3 0 )
F o r e i g n A p p l i c a t i o n P r i o r i t y Data
P r i m a r y
Examiner uth I l a n
Assistant E x a m i n e r a m e s
English
Dec. 2 1 ,
2007 DE )
. . . . . . . . . . . . . . . . . . . . . . . . 10
2007
063 5 4 5
( 5 1 )
I
t
C l
( 5 7 )
ABSTRACT
11
. .
360G / 1 8
( 2 0 0 6
0 1 ) A
heel
s u s p e n s i o n f o r t h e r e a r W h e e l s o f a motor
e h i c l e
i s
360G / 2 6 ( 2 0 0 6 0 1 ) c r e a t e d , W i t h t h r e e l i n k s b e i n g p r o v i d e d i n a n
u p p e r
l i n k
( 5 2 )
U
Cl 2 8 0 / 1 2 4 1 4 3 ; _
2 8 0 / 8 6 5 _
2 8 0 / 8 6
7 5 7 _
p l a n e ,
a n d W i t h
a
f o r e m o s t
l i n k
a s
vieWed
i n
t h e d i r e c t i o n o f
1 3 4 _ 2 8 0 } 1 2 4
1 3 5 ' _
i 8 0 / 1 2 4 1 3 8 f
t r a v e l
b e i n g
p r o v i d e d
a s
a t r a c k
r o d
and h e
tWo
f u r t h e r l i n k s
280/12
1 3 9 being
provided a s s e p a r a t e i n d i v i d u a l l i n k s
a t
both s i d e s o f
_ _ _ vertical W h e e l central
transverse
plane. A riangular link i s
( 5 8 ) F l e l d o f c l a g g g x g g z g g e g z h l i g g / l l z g z 1 3 4 4 ;
a r r a n g e d
i n t h e
l o W e r
l i n k p l a n e , W h i c h t r i a n g u l a r l i n k h o l d s
2 8 0 / 1 2 4 1 4 ' 3 1 2 4 1 4 9
8 6 5
8 6 7 5 8
8 6
7 5 1 a s p i r a l o r a i r s p r i n g a n d a d a m p e r s t r u t
s p a c e d a p a r t f r o m o n e
S e e
a
l i c a t i o n
me
o r C o m l e t s e r g h
h i s t o a n o t h e r . B y
c o r r e s p o n d i n g
p o l e f o r m a t i o n s d e ? n e d b y t h e
pp p
1 y
l i n k s , e l a s t o k i n e m a t i c o r
i m a g i n a r y
p i v o t a x e s a r e
f o r m e d ,
. W h i c h e r m i t s an e l a s t o k i n e m a t i c a d j u s t m e n t
of
h e
Wheel i n
( 5 6 ) R e f e r e n c e s C l t e d a t o e - i n
s e n s e
u n d e r t h e i n ? u e n c e o f b r a k i n g f o r c e s ,
s i d e
U
PATENT
DOCUMENTS f o r c e s and l o a d s h i f t f o r c e s . The Wheel s u s p e n s i o n i s
a l s o
con?gured such t h a t an e l a s t o k i n e m a t i c adjustment o f t h e
2 g i t i t g i ? l t l z c g i 3 1 Z E N / 1 2 4 1 0 6 W h e e l
i n
a t o e - o ut s e n s e i s o b t a i n e d
i n
t h e e v e n t
o f
W h e e l l o a d s
4,815,755 A
3/1989
Takata e t
a 1 .
. . . . . . . . .
. . 2 8 0 / 1 2 4 1 2 8
and
dnve orces
4,840,396 6/1989
ubo
. . . . . . . . . . . . . . .. 280/124.143
4,973,075
A * 11/1990 R o r i e t a l .
. . . . . . . . . . . . . .
. . 280/86757 13 Cla i m s , 5 Drawing Sheets
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US 7 , 9 6 7 , 3 1 0 B2
P a g e
2
US. PATENT DOCUMENTS DE 102004024899 A1
1 2 / 2 0 0 5
7,281,716
B2
10/2007
F anson . . . . . . . . . . . . . . . . . . . . . . . .. 280/552 EP 1 3 6 4 8 1 6 A2 11/2003
7,766,344 B2
8/2 0 1 0
Buma . . . . . . . . . . . . . . . . . . . . . . . . 280/5511 OTHER PUBLICATIONS
FOREIGNPATENT
DOCUMENTS
German P a t e n t
a n d
T r a d e m a r k O f ? c e S e a r c h
R e p o r t
d a t e d S e p . 2 6 ,
DE
19535923 A1 4/1997 2 0 0 8 .
DE 10005407 A1 9/2000 _ _
DE 10111135 A1 9 / 2 0 0 2 *
c r t e d b y
examlner
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3/11
US. Patent J u n .
2 8 ,
2 0 1 1 S h e e t
1
0 1 5
US
, 9 6 7 , 3 1 0 B2
F I G .
1
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4/11
US. Patent J u n .
2 8 ,
2 0 1 1 S h e e t 2 0 1 5
US
, 9 6 7 , 3 1 0 B2
( T 5 1
8
5
1 D
1 2
s
i g . 2
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5/11
US. Patent J u n .
2 8 ,
2 0 1 1 S h e e t 3 0 1 5
US
, 9 6 7 , 3 1 0 B2
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6/11
US. Patent J u n .
2 8 ,
2 0 1 1 S h e e t 4 0 1 5
US
, 9 6 7 , 3 1 0 B2
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8/11/2019 Us 7967310
7/11
US. Patent J u n .
2 8 , 2 0 1 1
S h e e t 5 0 1 5
US
, 9 6 7 , 3 1 0 B2
F i g . 5
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US
7 , 9 6 7 , 3 1 0
B2
1
WHEEL
SUSPENSION
FORTHE REAR
WHEELS OF
AMOTOR EHICLE
CROSS-REFERENCE
TO RELATED
APPLICATION
T h i s
a p p l i c a t i o n
c l a i m s
t h e
p r i o r i t y ,
u n d e r 3 5 U . S . C .
1
1 9 ,
o f German p p l i c a t i o n DE
0
2 0 0 7 0 6 3 5 4 5 . 3 ,
? l e d D e c .
2 1 ,
2 0 0 7 ; t h e
p r i o r a p p l i c a t i o n i s
h e r e w i t h i n c o r p o r a t e d b y r e f e r
e n c e
i n i t s e n t i r e t y .
BACKGROUND OFTHEINVENTION
F i e l d o f t h e
I n v e n t i o n
The i n v e n t i o n r e l a t e s t o
a
Wheel
s u s p e n s i o n
f o r
t h e
r e a r
Wheels of m o t o r
v e h i c l e .
P u b l i s h e d ,
n o n - p r o s e c u t e d German
a t e n t
a p p l i c a t i o n
D E
1 0 0 0 5 407 A l , c o r r e s p o n d i n g t o US. P a t . N o . 6 , 7 5 2 , 4 0 9 ,
d e s c r i b e s a
Wheel
s u s p e n s i o n
Which i k e W i s e c o n t a i n s a loWer
t r i a n g u l a r l i n k
and an upper
t r a c k r o d and tWo f u r t h e r i n d i
v i d u a l l i n k s .
The
Wheel s u s p e n s i o n , on a c c o u n t of h e t r i a n
g u l a r
l i n k
b e i n g
s i t u a t e d l a t e r a l l y
a d j a c e n t
t o
t h e
i n d i v i d u a l
l i n k s ,
h a s
a r e l a t i v e l y l a r g e s p a t i a l r e q u i r e m e n t i n t h e
l i m i t e d
i n s t a l l a t i o n
s p a c e o f t h e v e h i c l e .
A l s o ,
a s a
r e s u l t o f
t h e p o s i
t i o n o f t h e
t r i a n g u l a r l i n k ,
a n e x t r e m e V - s h a p e o f t h e
i n d i
v i d u a l
l i n k s
and
a
c r o s s i n g W i t h
t h e t r a c k
rod a r e
n e c e s s a r y .
The
e s i g n
m a y
o s s i b l y l e a d ,
i n
t h e e v e n t
o f i l t i n g f o r c e s
on
t h e
W h e e l
c a r r i e r , t o h a r d e n i n g o f t h e b e a r i n g e l a s t i c i t i e s ,
Which
c o u l d a l s o l e a d t o
an
in?uence
on h e
changes i n
Wheel
p o s i t i o n
u n d e r
t h e i n ? u e n c e o f
b r a k i n g f o r c e s ,
s i d e
f o r c e s a n d
d r i v e f o r c e s . P u b l i s h e d ,
n o n - p r o s e c u t e d G e r m a n a t e n t a p p l i
c a t i o n DE l00 05 407 Al d e s c r i b e s i n p a r t i c u l a r
a
Wheel
s u s p e n s i o n f o r t h e r e a r Wheels of a motor v e h i c l e Which
l i k e W i s e c o n t a i n s
t h r e e i n d i v i d u a l l i n k s i n
an upper
p l a n e and
a t r i a n g u la r
l i n k
i n a loWer p l a n e , on
Which
r i a n g u l a r
l i n k
a
d a m p e r a n d s p r i n g s t r u t i s s u p p o r t e d .
SUMMARY OFTHEINVENTION
I t
i s a c c o r d i n g l y an o b j e c t o f t h e
i n v e n t i o n
t o p r o v i d e a
Wheel
s u s p e n s i o n f o r t h e r e a r Wheels
of
motor e h i c l e t h a t
o v e r c o m e s
t h e a b o v e - m e n t i o n e d d i s a d v a n t a g e s o f t h e
p r i o r
a r t d e v i c e s o f
t h i s
g e n e r a l t y p e ,
by W h i c h
i t i s
p o s s i b l e
t o
o b t a i n
a
c o m p a c t , s p a c e - s a v i n g
d e s i g n o f t h e
W h e e l
s u s p e n
s i o n u n i t i n t h e v e h i c l e .
F u r t h e r m o r e ,
i t
i s i n t e n d e d t o
o b t a i n
a n optimum o s i t i o n i n g o f h e l i n k s W i t h a r t i c u l a t i o n p o i n t s a t
t h e Wheel
c a r r i e r
s i d e
and
body s i d e
i n
o r d e r t o
a v o i d a n y
a d v e r s e e f f e c t on h e d r i v i n g
b e h a v i o r
i n t h e e v e n t o f f o r c e s ,
s u c h
a s f o r
e x a m p l e b r a k i n g f o r c e s ,
s i d e
f o r c e s a n d d r i v e
f o r c e s , a c t i n g
on
h e W h e e l .
W i t h t h e f o r e g o i n g
a n d
o t h e r
o b j e c t s
i n
v i e W
t h e r e i s p r o
v i d e d , i n a c c o r d a n c e W i t h t h e i n v e n t i o n , a W h e e l s u s p e n s i o n
f o r
r e a r
Wheels of a motor v e h i c l e . The Wheel s u s p e n s i o n
c o n t a i n s f o u r l i n k s i n c l u d i n g a t r i a n g u l a r l i n k and h r e e
s e p a
r a t e
l i n k s .
One of h e t hr e e s e p a r a t e l i n k s
i s
a t r a c k r o d and h e
remaining tWo l i n k s a r e tWo
o t h e r
l i n k s . A heel c a r r i e r i s
guided by h e f o u r l i n k s Which r e
h e l d
on Wheel c a r r i e r s i d e
and
on
a
body
i d e . A amper t r u t and s p r i n g b e i n g e i t h e r
a n
a i r
s p r i n g o r a s p i r a l s p r i n g
a r e
p r o v i d e d .
The t r i a n g u l a r
l i n k
i s d i s p o s e d
i n a
l o W e r
l i n k
p l a n e
a n d t h e t h r e e s e p a r a t e
l i n k s
a r e
d i s p o s e d i n
a n
u p p e r
l i n k p l a n e ,
and
W i t h
i t
b e i n g
p o s s i b l e , a s
a r e s u l t o f p o l e f o r m a t i o n s de?ned b y t h e l i n k s ,
f o r a
Wheel
t o be e l a s t o k i n e m a t i c a l l y a d j u s t e d i n a
t o e - i n
sense
and
a t o e - o u t sense
under
a c t i o n
of f o r c e s .
The
t r i a n
g u l a r l i n k h a s
a
b o d y s i d e f r o n t
mount
b e i n g
a r t i c u l a t e d l y
connected t o t h e
Wheel
c a r r i e r ,
i n
r e l a t i o n t o a d i r e c t i o n of
20
25
30
35
4 0
45
50
55
60
6 5
2
t r a v e l , b e h i n d a v e r t i c a l
Wheel
c e n t r a l t r a n s v e r s e p l a n e and
b e l o W a h o r i z o n t a l
W h e e l
c e n t r a l p l a n e .
The
t r i a n g u l a r l i n k
h o l d s t h e d a m p e r
s t r u t
a n d t h e s p r i n g W h i c h i s
s p a c e d
a p a r t
from h e
damper
t r u t , i n a
s u p p o r t i n g
f a s h i o n .
And,
s
vieWed
i n t h e d i r e c t i o n o f r a v e l , t h e t r a c k
r o d i s
d i s p o s e d i n
f r o n t
o f
t h e
v e r t i c a l Wheel c e n t r a l
t r a n s v e r s e
p l a n e i n
t h e
u p p e r l i n k
p l a n e ,
and
i n t h a t i n e a c h
c a s e
one o f
t h e s e p a r a t e
l i n k s i s
d i s p o s e d a t
b o t h
s i d e s
o f
t h e v e r t i c a l Wheel c e n t r a l t r a n s v e r s e
p l a n e . The s e p a r a t e l i n k s a r e
a l i g n e d
a t d i f f e r e n t
a n g l e s
s o a s
t o
d i v e r g e
from
t h e
Wheel
c a r r i e r i n a d i r e c t i o n of v e h i c l e
b o d y a n d d e ? n e t h e u p p e r
l i n k
p l a n e .
The
b j e c t i s
a c h i e v e d a c c o r d i n g t o
t h e
i n v e n t i o n
i n t h a t t h e
t r i a n g u l a r l i n k
i s
a r t i c u l a t e d l y c o n n e c t e d t o t h e Wheel c a r
rieriin r e l a t i o n
t o
t h e d i r e c t i o n of travelibehind a v e r t i c a l
Wheel
c e n t r a l t r a n s v e r s e p l a n e
and beloW
a h o r i Z o n t a l
Wheel
c e n t r a l
p l a n e
i n
a
mount, and
h o l d s a
damper t r u t , and an i r
o r
s t e e l
s p i r a l
s p r i n g W h i c h
i s s p a c e d a p a r t f r o m
t h e d a m p e r
s t r u t ,
i n a s u p p o r t i n g f a s h i o n . As vieWed i n t h e d i r e c t i o n o f
t r a v e l , an i n d i v i d u a l l i n k
W h i c h s
embodied
a s a
t r a c k rod s
a r r a n g e d i n f r o n t o f t h e
W h e e l c e n t r a l
t r a n s v e r s e p l a n e
i n
t h e
upper
l i n k p l a n e , and i n each c a s e
one
i n d i v i d u a l
l i n k
i s
a r r a n g e d a t
b o t h
s i d e s o f t h e v e r t i c a l
Wheel
c e n t r a l t r a n s v e r s e
p l a n e ,
Which
n d i v i d u a l
l i n k s
a r e
a l i g n e d
a t
d i f f e r e n t
a n g l e s
s o
a s t o
d i v e r g e
from
t h e
Wheel c a r r i e r i n
t h e d i r e c t i on
o f t h e
v e h i c l e
body
a n d l i k e W i s e f o r m t h e u p p e r l i n k p l a n e . I n t h i s
W a y , a W h e e l
s u s p e n s i o n
i s a d v a n t a g e o u s l y
c r e a t e d
W h i c h ,
W h i l e h a v i n g a s p a c e - s a v i n g a r r a n g e m e n t , p r o v i d e s t a r g e t e d
W h e e l g u i d a n c e u n d e r t h e i n ? u e n c e o f
f o r c e s
a c t i n g on t h e
W h e e l .
A o n t r i b u t i o n t o o p t i m u m W h e e l g u i d a n c e i s p r o v i d e d
b y
t h e a r r a n g e m e n t o f t h e W h e e l g u i d e l i n k s i n t h e l o W e r a n d i n
t h e u p p e r
l i n k p l a n e s ,
W h i c h a r r a n g e m e n t g e n e r a t e s t a r g e t e d
p o l e
f o r m a t i o n a n d t h e r e f o r e f o r m s c o r r e s p o n d i n g i m a g i n a r y
and e l a s t o k i n e m a t i c
a x e s W h i c h b r i n g
a b o u t
a s u b s t a n t i a l
i n ? u e n c e on t h e Wheel p o s i t i o n i n g
i n
t h e
d i r e c t i o n
o f
t o e - i n
a n d / o r
t o e - o u t .
I n o r d e r
t o
a c h i e v e t h i s , t h e
t r a c k
r o d h a s an
a r t i c u l a t i o n
p o i n t
on
h e
W h e e l
c a r r i e r ,
Which
r t i c u l a t i o n p o i n t
i s
s i t u a t e d
above
a h o r i Z o n t a l
Wheel
c e n t r a l t r a n s v e r s e
p l a n e , W i t h t h e
a r t i c u l a t i o n
p o i n t s
o f
t h e tWo i n d i v i d u a l l i n k s t o t h e Wheel
c a r r i e r
b e i n g s i t u a t e d a b o v e
t h e
a r t i c u l a t i o n
p o i n t o f t h e t r a c k
r o d on
t h e W h e e l
c a r r i e r . The b o d y - s i d e mount
p o i n t s
o f
t h e
tWo i n d i v i d u a l l i n k s form b o d y - s i d e
p i v o t
a x i s Which
u n s
i n
t h e v e h i c l e l o n g i t u d i n a l
d i r e c t i o n and W h i c h , a s
vieWed
n t h e
d i r e c t i o n o f r a v e l ,
i s
a l i g n e d a t a n a c u t e a n g l e W i t h
r e s p e c t
t o
t h e v e r t i c a l
W h e e l
c e n t r a l l o n g i t u d i n a l p l a n e
a n d
W i t h r e s p e c t
t o
t h e W h e e l - c a r r i e r - s i d e p i v o t
a x i s t h r o u g h
t h e mounts
o f t h e
i n d i v i d u a l l i n k s . I n
p a r t i c u l a r ,
t h e t r a c k
r o d a n d
t h e i n d i v i d u a l
l i n k
Wh ic h ias
vieWed n t h e d i r e c t i o n
o f
t r a v e l i i s a r r a n g e d
i n f r o n t o f
t h e
v e r t i c a l Wheel
c e n t r a l t r a n s v e r s e p l a n e
a r e
a r r a n g e d
a t
d i f f e r e n t h e i g h t s and s o a s t o be a p p r o x i m a t e l y
p a r a l l e l
t o
o n e a n o t h e r
and
h a v e
an
a p p r o x i m a t e l y e q u a l
l e n g t h
a n d
t h e b o d y - s i d e
a n d
W h e e l - c a r r i e r - s i d e a r t i c u l a t i o n
p o i n t s
l i e
v i r t u a l l y i n
p a r a l l e l v e r t i c a l
p l a n e s .
The tWo i n d i v i d u a l l i n k s have a ? r s t , upper
p o l e f o r
an
e l a s t o k i n e m a t i c
p i v o t a x i s , W h i c h p o l e i a s v i e W e d i n
t h e
d i r e c t i o n of
t r a v e l i i s
s i t u a t e d
i n
f r o n t
of a v e r t i c a l Wheel
c e n t r a l t r a n s v e r s e
p l a n e and o u t s i d e t h e
t r e a d
W i d t h o f t h e
W h e e l . The t r i a n g u l a r l i n k and
t h e t r a c k
r o d form
a
s e c o n d ,
l o W e r p o l e
f o r
t h e
e l a s t o k i n e m a t i c
p i v o t
a x i s i n
t h e
W h e e l
c o n t a c t
p l a n e ,
Which
p o l e
i s
s i t u a t e d o u t s i d e
t h e
t r e a d
W i d t h .
F o r a t a r g e t e d
c h a n g e
i n p o s i t i o n o f t h e
W h e e l
u n d e r t h e
i n ? u e n c e o f f o r c e s , t h e b o d y - s i d e
mount
o f t h e t r a c k r o d
a n d
t h e b o d y - s i d e i a s vieWed
i n
t h e d i r e c t i o n o f t r a v e l i f r o n t
mount
of
h e t r i a n g u l a r l i n k have a
s o f t e r c h a r a c t e r i s t i c
t h a n
t h e
b o d y - s i d e
mounts o f
h e
i n d i v i d u a l l i n k s and f h e f u r t h e r
mount
o f
t h e
t r i a n g u l a r l i n k .
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8/11/2019 Us 7967310
9/11
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7 , 9 6 7 , 3 1 0
B2
3
The
l i n k s o f t h e W h e e l s u s p e n s i o n a r e
a l i g n e d
W i t h r e s p e c t
t o one another and ha ve
m o un t
c h a r a c t e r i s t i c s such t h a t an
i m a g i n a r y o r e l a s t o k i n e m a t i c p i v o t a x i s i s g e n e r a t e d b y t h e
p o l e s
f o r m e d , i n
s u c h
a
W a y
t h a t t h e Wheel
c a n
be e l a s t o k i
n e m a t i c a l l y a d j us t e d i n t h e d i r e c t i o n o f o e - i n
u n d e r
t h e i n ? u
e n c e o f b r a k i n g
f o r c e s
and o a d s h i f t f o r c e s
and
h a t t h e Wheel
c a n
b e
e l a s t o k i n e m a t i c a l l y a d j u s t e d
i n
t h e
d i r e c t i o n
o f
o e - o u t
u n d e r t h e
i n ? u e n c e o f W h e e l
l o a d s
a n d
d r i v e f o r c e s .
The p o l e
i n t h e
W h e e l
c o n t a c t p l a n e f o r t h e a d j u s t m e n t o f t h e
W h e e l i n
t h e e v e n t
o f
b r a k i n g f o r c e s a n d t h e p o l e f o r t h e a d j u s t m e n t
o f
t h e
Wheel
i n
t h e
e v e n t of o a d s h i f t f o r c e s a r e
s i t u a t e d
o u t s i d e
t h e t r e a d W i d t h
andiWith
e s p e c t
t o
t h e
d i r e c t i o n o f traveli
i n
f r o n t
o f
t h e
v e r t i c a l W h e e l
c e n t r a l t r a n s v e r s e
p l a n e .
F u r t h e r m o r e ,
t h e p o l e
i n
t h e
W h e e l
c o n t a c t
p l a n e f o r
t h e
e l a s t o k i n e m a t i c a d j u s t m e n t of
h e Wheel i n a
t o e - i n s e n s e i s
f o r m e d b y a n i m a g i n a r y
p i v o t
a x i s
Which
r u n s t h r o u g h
t h e
W h e e l - c a r r i e r - s i d e
mount f
h e
t r i a n g u l a r
l i n k
and h r o u g h a n
u p p e r p o l e f o r m e d by h e i n d i v i d u a l l i n k s
s i t u a t e d
a t t h e f r o n t
and
a t t h e
r e a r .
As
a
r e s u l t of
h e
a r r a n g e m e n t
o f t h e
l i n k s W i t h
r e s p e c t
t o
one a n o t h e r i n t h e u p p e r and l o W e r l i n k p l a n e s , i t
i s
t h e r e b y
p o s s i b l e f o r
W h e e l
p i v o t
a x e s
a n d
t h e r e f o r e a l s o
c o r r e s p o n d
i n g p o l e s
t o b e
f o r m e d W h i c h
g e n e r a t e a t a r g e t e d
a d j u s t m e n t
o f the W heel i n a t o e - i n
sense
and a toe-out s e n s e .
Other
f e a t u r e s W h i c h a r e considered a s c h a r a c t e r i s t i c f o r
t h e i n v e n t i o n a r e s e t f o r t h
i n
t h e
appended c l a i m s .
A l t h o u g h t h e
i n v e n t i o n
i s
i l l u s t r a t e d
a n d
d e s c r i b e d h e r e i n
a s
e mb odied i n a
Wheel
suspension f o r t h e
r e a r
Wheels of a
motor
e h i c l e ,
i t i s n e v e r t h e l e s s n o t
i n t e n d e d
t o
be l i m i t e d t o
t h e
d e t a i l s s h o W n ,
s i n c e
v a r i o u s m o d i ? c a t i o n s a n d
s t r u c t u r a l
c h a n g e s
may b e
made t h e r e i n W i t h o u t d e p a r t i n g f r o m
t h e
s p i r i t o f t h e i n v e n t i o n a n d
W i t h i n
t h e s c o p e a n d r a n g e o f
e q u i v a l e n t s o f
t h e c l a i m s .
The
o n s t r u c t i o n
a n d method o f o p e r a t i o n o f h e i n v e n t i o n ,
h o W e v e r , t o g e t h e r
W i t h a d d i t i o n a l o b j e c t s
a n d
a d v a n t a g e s
t h e r e o f W i l l
b e
b e s t u n d e r s t o o d f r o m t h e f o l l o W i n g d e s c r i p
t i o n
o f
s p e c i ? c
embodiments
When
r e a d
i n
c o n n e c t i o n W i t h
t h e a c c o m p a n y i n g
d r a W i n g s .
B R I E F
DESCRIPTION
OFTHE SEVERAL
VIEWS OFTHE
DRAWINGS
F I G .
1 i s
a
d i a g r a m m a t i c , p l a n
vieW o f a Wheel
s u s p e n s i o n
W i t h
i n d i v i d u a l l i n k s a r r a n g e d i n an upper l i n k p l a n e and a
t r i a n g u l a r l i n k a r r a n g e d i n
a
l o W e r l i n k p l a n e
a c c o r d i n g
t o
t h e
i n v e n t i o n ;
F I G .
2 i s a
d i a g r a m m a t i c , r e a r
vie W of h e Wheel
suspen
sioniin a
d i r e c t i o n
o f
t r a v e l ;
F I G .
3 i s a d i a g r a m m a t i c , f r o n t
vieW o f
t h e
Wheel s u s p e n
s i o n ,
c o u n t e r
t o t h e d i r e c t i o n o f t r a v e l ;
F I G .
4
i s
a
d i a g r a m m a t i c ,
t o p and e a r p e r s p e c t i v e vieW o f
t h e W h e e l
s u s p e n s i o n ;
F I G .
5 i s
a
d i a g r a m m a t i c ,
p e r s p e c t i v e vieW
o f
t h e W h e e l
s u s p e n s i o n W i t h
a n
e l a s t o k i n e m a t i c
p i v o t a x i s
f o r b r a k e
f o r c e s a n d
l o a d
s h i f t
f o r c e s ;
a n d
F I G . 6
i s
a
d i a g r a m m a t i c ,
p e r s p e c t i v e vieW
o f
t h e W h e e l
s u s p e n s i o n
W i t h a n e l a s t o k i n e m a t i c
p i v o t
a x i s
f o r
s i d e
f o r c e s .
DETAILED DESCRIPTIONOFTHEINVENTION
R e f e r r i n g noW o t h e ? g u r e s o f t h e d r a W i n g i n d e t a i l and
? r s t , p a r t i c u l a r l y ,
t o
F I G S .
1
and 3 t h e r e o f ,
t h e r e i s shoWn
a
Wheel
s u s p e n s i o n 1 f o r r e a r Wheels 2 of motor e h i c l e . The
s u s p e n s i o n 1
c o n t a i n s , i n a n
u p p e r
l i n k
p l a n e L 1 ,
t h r e e
s e p a
r a t e i n d i v i d u a l l i n k s
3 ,
4 and
, W i t h
t h e
one
i n d i v i d u a l
l i n k
3
f o r m i n g
a t r a c k
r o d . A
o W e r l i n k
p l a n e L2 i s formed by
a
20
25
30
35
4 0
45
50
55
60
6 5
4
t r i a n g u l a r
l i n k
6
Which s u p p o r t s
a
damper
t r u t 7 a n d ,
s e p a
r a t e l y
f r o m t h e
l a t t e r , a n
a i r s p r i n g
o r
s p i r a l s p r i n g
8 .
I n
t h e l o W e r
l i n k
p l a n e L 2 , t h e t r i a n g u l a r
l i n k
6 i s a r t i c u
l a t e d l y
connected
t o
a
Wheel c a r r i e r 9 * W 1 I h
r e s p e c t
t o
a
d i r e c t i o n
of
r a v e l
F ibe h ind a
v e r t i c a l Wheel c e n t r a l t r a n s
v e r s e
plane
x-x and beloW h o r i z o n t a l Wheel e n t r a l
p l a n e
Z - Z
i n
a
W h e e l - c a r r i e r - s i d e
mount
1 0 .
The
t r i a n g u l a r l i n k 6
i s
a r r a n g e d d i r e c t l y b e l o W t h e i n d i v i d u a l l i n k s
3 ,
4 a n d 5 a n d
body-side
mounts
1 1 and 12 a r e s i t u a t e d W i t hi n , o r a r e s p a
t i a l l y
d e l i m i t e d
b y , t h e o u t e r t r a c k
r o d
3
a n d
t h e o u t e r i n d i
v i d u a l l i n k 5 .
The r a c k
r o d
3
and
h e ? r s t i n d i v i d u a l l i n k 4 a r e a r r a n g e d ,
a n d
a r t i c u l a t e d l y
c o n n e c t e d a t
a r t i c u l a t i o n
p o i n t s 1 5 ,
1 6
t o
mounts
o n
h e
Wheel
c a r r i e r
9 and i n
t h e mounts
13 and 17 a t
t h e
body
i d e ,
i n f r o n t o f
t h e
v e r t i c a l W h e e l c e n t r a l t r a n s v e r s e
p l a n e
x - x a s vieWed i n t h e d i r e c t i o n of r a v e l
F .
The f u r t h e r
i n d i v i d u a l l i n k
5
o f t h e u p p e r l i n k
p l a n e L1
ISiWIIh r e s p e c t
t o t h e
d i r e c t i o n o f t r a v e l Fiarranged b e h i n d
t h e
v e r t i c a l
Wheel
c e n t r a l t r a n s v e r s e p l a n e
x - x
and
s h e l d
on
t h e
Wheel
c a r r i e r
9
i n
a mount
1 8
and
t
t h e body s i d e
i n
t h e mount o i n t
1 4 .
The
t r a c k
r o d
3
i s
a r r a n g e d
s l i g h t l y
b e l o W
t h e i n d i v i d u a l
l i n k s
4 a n d 5
i n
t e r m s o f h e i g h t W i t h
t h e a r t i c u l a t i o n p o i n t s
1 3
a n d 1 5 a n d , a s v i e W e d i n t h e
h e i g h t
d i r e c t i o n
( F I G .
2 ) , t h e r e a r
i n d i v i d u a l l i n k
5 i s
p r o v i d e d
betWeen
h e t r a c k r o d 3 and h e
c e n t r a l
i n d i v i d u a l l i n k
4 ,
and h e
a r t i c u l a t i o n
p o i n t s
1 8
a n d
1 4
a n d
1 6
a n d 1 7 a r e a l s o
a r r a n g e d c o r r e s p o n d i n g l y . The body
s i d e
mount p o i n t s
1 4 and 17 o f
t h e tWo i n d i v i d u a l l i n k s 5
and
4
f o r m a l o n g i t u d i n a l l y r u n n i n g ,
b o d y - s i d e
p i v o t a x i s S ( F I G .
1 ) Which i s a l i g n e d a t a n a c u t e a n g l e W i t h r e s p e c t t o t h e
v e r t i c a l
W h e e l
c e n t r a l l o n g i t u d i n a l p l a n e y - y .
The
i n k s
3 , 4 ,
5 a n d 6 o f
h e
W h e e l
s u s p e n s i o n
1 a r e
a l i g n e d
With
r e s p e c t t o one a n o t h e r and have mount c h a r a c t e r i s t i c s
matched t o one
a n o t h e r
s u c h t h a t
p o l e s
P can be
f o r m e d ,
Which p o l e s P
g e n e r a t e
i m a g i n a r y a n d e l a s t o k i n e m a t i c a x e s
f o r t h e W h e e l p o s i t i o n i n g . I n t h i s W a y ,
i t i s p o s s i b l e
f o r
t h e
W h e e l s 2 t o
b e
e l a s t o k i n e m a t i c a l l y a d j u s t e d
i n
t h e
d i r e c t i o n
o f
t o e - i n
u n d e r t h e i n ? u e n c e o f b r a k i n g
f o r c e s
B ,
l o a d s h i f t
f o r c e s L and i n t h e e v e n t
o f s i d e
f o r c e s S , and
f o r
t h e W h e e l s
t o b e e l a s t o k i n e m a t i c a l l y a d j u s t e d i n t h e
d i r e c t i o n
o f t o e - o u t
u n d e r
t h e i n ? u e n c e o f Wheel l o a d s and d r i v e f o r c e s .
The tWo i n d i v i d u a l l i n k s 4
and
5
( F I G .
5 ) form an u p p e r
p o l e
Po
and
h e
t r i a n g u l a r
l i n k 6
W i t h
t h e t r a c k
r o d
3
f o r m s
a
l o W e r
p o l e P u .
An
l a s t o k i n e m a t i c p i v o t
a x i s S 1
W i t h a p o l e
Pb
i n t h e
W h e e l c o n t a c t pl a n e
i s f o r m e d b e t W e e n t h e
p o l e s
Po
a n d
P u ,
s u c h t h a t , u n d e r
t h e
i n ? u e n c e
o f b r a k i n g
f o r c e s B n d
l o a d s h i f t f o r c e s L , a n
a d j u s t m e n t
o f
t h e
v e h i c l e Wheel
t a k e s
p l a c e
i n t h e d i r e c t i o n
o f
t o e - i n i n t h e
e v e n t
o f b r a k i n g f o r c e s
B a b o u t t h e
p o l e Pb and
i n t h e
e v e n t
o f l o a d
s h i f t
f o r c e s L
a b o u t t h e p o l e P 1 . The o l e P I i s t h e p o i n t
o f
i n t e r s e c t i o n
o f
h e
e l a s t o k i n e m a t i c
p i v o t a x i s
W i t h t h e
h o r i Z o n t a l W h e e l
c e n t r a l
p l a n e Z - Z . The p o l e s a r e s i t u a t e d o u t s i d e
t h e t r e a d
W i d t h
a n d ,
a s
vieWed
i n t h e d i r e c t i o n
o f t r a v e l
F , i n f r o n t o f t h e
v e r t i c a l
Wheel c e n t r a l t r a n s v e r s e
p l a n e
x - x .
The
p o l e P s
i n
t h e
W h e e l
c o n t a c t p l a n e
f o r
t h e e l a s t o k i n e
m a t i c
a d j u s t m e n t
o f
t h e
W h e e l 2
i n t h e d i r e c t i o n
o f t o e - i n
i n
t h e e v e n t
o f
a
s i d e
f o r c e S
i s
formed by
an m a g i n a r y
p i v o t a x i s
I s . The i m a g i n a r y
p i v o t a x i s
I s r u n s t h r o u g h
a n u p p e r
p o l e
Po
f o r m e d by t h e i n d i v i d u a l l i n k s
4
a n d 5 .
A
u r t h e r
p o l e Pu
s
f o r m e d
by t h e
W h e e l - c a r r i e r - s i d e mount 1 0 o f t h e t r i a n g u l a r
l i n k
6 . On
c c o u n t
of
h e l e v e r ar m h g e n e r a t e d betWeen h e
v e r t i c a l Wheel c e n t r a l
t r a n s v e r s e
p l a n e
x - x
and h e p o l e
P s
i n
t h e
Wheel
c o n t a c t
p l a n e , a n e l a s t o k i n e m a t i c a d j u s t m e n t
o f
h e
Wheel i n t h e d i r e c t i o n
o f
t o e - i n
c a n
t a k e
p l a c e
i n t h e
e v e n t
o f
a
s i d e
f o r c e S .
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5
The
i n d i v i d u a l l i n k 5 Which i s s i t u a t e d
a t
t h e
r e a r
i s
arranged
above s t a b i l i z e r
a r m 20
of s t a b i l i z e r
22
and
has
an
i d e n t i c a l p r o ? l e t o t h e s t a b i l i z e r a r m 2 0 , a s a
r e s u l t
of
Which
a s m a l l
i n s t a l l a t i o n s p a c e i s r e q u i r e d . A a n g e r 2 1 o f
t h e
s t a b i l i z e r 22 i s c o n n e c t e d
t o
t h e t r i a n g u l a r l i n k 6 by a s c r e W
2 3 . The s c r e W 2 3 s i m u l t a n e o u s l y f a s t e n s t h e s p r i n g s t r u t
7
t o
t h e t r i a n g u l a r l i n k
6 .
The
i n d i v i d u a l
l i n k
4
h a s
a
curved
i n d e n t a t i o n 24 Which
s
composed of
a holloW and Which
e x t e n d s
o v e r a p a r t of h e
l e n g t h
of t h e l i n k 4 .
The
holloW o f f e r s a f r e e
s p a c e f o r
a
l o n g i t u d i n a l
beam o f
t h e
v e h i c l e body o
r u n
t h r o u g h .
The
i r s p r i n g o r s t e e l s p i r a l s p r i n g 8 i s h e l d i n a s u p p o r t e d
f a s h i o n
i n t h e t r i a n g u l a r l i n k 6 W i t h i n a r e c e s s 2 5 .
The t r a c k r o d 3 and t h e i n d i v i d u a l l i n k s
5
have t h e same
l e n g t h
and
m a y
h e r e f o r e
b e con?gured s
s o - c a l l e d
i d e n t i c a l
p a r t s . I f t h e i n d e n t a t i o n
24 i n
t h e i n d i v i d u a l l i n k 4 i s n o t
r e q u i r e d , t h e t h r e e
l i n k s 3 ,
4 and 5 m a y
a l l
b e formed a s
i d e n t i c a l p a r t s .
The i n v e n t i o n
c l a i m e d i s :
1 . A heel s u s p e n s i o n
f o r
r e a r
Wheels of motor e h i c l e ,
t h e W h e e l s u s p e n s i o n c o m p r i s i n g :
f o u r l n k s i n c l u d i n g a t r i a n g u l a r
l i n k
a n d t h r e e s e p a r a t e
l i n k s ,
one
o f
s a i d t h r e e s e p a r a t e
l i n k s
b e i n g
a t r a c k
r o d
a n d r e m a i n i n g t W o l i n k s b e i n g t W o o t h e r l i n k s ;
a W h e e l
c a r r i e r
b e i n g
g u i d e d
by s a i d f o u r l i n k s Which
a r e
held
on a
Wh eel
c a r r i e r s i d e
and
on a b o d y
s i d e ;
a
damper t r u t ;
a s p r i n g s e l e c t e d f r o m t h e g r o u p c o n s i s t i n g o f a i r s p r i n g s
a n d
s p i r a l
s p r i n g s ;
s a i d t r i a n g u l a r l i n k
d i s p o s e d
i n
a
l o W e r l i n k
p l a n e
a n d s a i d
t h r e e s e p a r a t e l i n k s
b e i n g d i s p o s e d
i n a n
u p p e r
l i n k
p l a n e
a n d a b o v e
a h o r i z o n t a l
W h e e l c e n t r a l p l a n e ,
a n d
W i t h i t
b e i n g
p o s s i b l e , a s
a
r e s u l t o f p o l e f o r m a t i o n s
de?ned by means of s a i d
l i n k s ,
f o r
a
Wheel t o be e l a s
t o k i n e m a t i c a l l y a d j u s t e d i n
a
t o e - i n
s e n s e
and
a
t o e - o u t
s e n s e under
a c t i o n
o f
f o r c e s ;
and
s a i d t r i a n g u la r l i n k h a v i n g
a
b o d y s i d e f r o n t
mount
b e i n g
a r t i c u l a t e d l y
c o n n e c t e d
t o
s a i d
W h e e l
c a r r i e r ,
i n
r e l a t i o n
t o
a
d i r e c t i o n of
r a v e l , behind a
v e r t i c a l Wheel c e n t r a l
t r a n s v e r s e
p l a n e
and beloW h e h o r i z o n t a l W h e e l c e n t r a l
p l a n e , s a i d t r i a n g u l a r l i n k
h o l d i n g
s a i d d a m p e r
s t r u t
a n d
s a i d
s p r i n g W h i c h s s p a c e d
a p a r t f r o m s a i d
d a m p e r
s t r u t ,
i n a s u p p o r t i n g f a s h i o n , and i n
t h a t ,
a s vieWed i n t h e
d i r e c t i o n o f t r a v e l , s a i d t r a c k r o d i s d i s p o s e d i n
f r o n t
o f
t h e v e r t i c a l Wheel c e n t r a l t r a n s v e r s e
p l a n e i n
t h e
u p p e r
l i n k
p l a n e , and
i n
t h a t i n each
c a s e one
of
a i d s e p a r a t e
l i n k s i s d i s p o s e d a t
b o t h s i d e s
o f
t h e
v e r t i c a l Wheel
c e n t r a l
t r a n s v e r s e p l a n e , s a i d s e p a r a t e l i n k s
b e i n g
a l i g n e d a t
d i f f e r e n t
a n g l e s
s o a s t o
d i v e r g e
from s a i d
Wheel
c a r r i e r
i n
a d i r e c t i o n
o f
a
v e h i c l e body and
de?ne
t h e
u p p e r
l i n k p l a n e .
2 .
The h e e l s u s p e n s i o n
a c c o r d i n g t o
c l a i m 1 , W h e r e i n
s a i d
t r a c k r o d h a s an r t i c u l a t i o n p o i n t on s a i d Wheel a r r i e r ,
s a i d
a r t i c u l a t i o n
p o i n t
i s s i t u a t e d above t h e h o r i z o n t a l
Wheel
c e n
t r a l p l a n e , and s a i d tWo o t h e r l i n k s
h a v e
f u r t h e r a r t i c u l a t i o n
p o i n t s t o
s a i d W h e e l
c a r r i e r b e i n g
s i t u a t e d a b o v e s a i d
a r t i c u
l a t i o n p o i n t o f s a i d t r a c k r o d on s a i d Wheel c a r r i e r .
3 . The h e e l s u s p e n s i o n
a c c o r d i n g
t o c l a i m 2 , W h e r e i n s a i d
tWo o t h e r l i n k s h a v e b o d y - s i d e mount p o i n t s
Which
de?ne a
b o d y - s i d e p i v o t a x i s Which r u n s i n a v e h i c l e
l o n g i t u d i n a l
d i r e c t i o n and
W h i c h ,
a s vieWed i n
t h e
d i r e c t i o n o f t r a v e l , i s
c o r r e s p o n d i n g l y a l i g n e d a t an
a c u t e
a n g l e
W i t h
r e s p e c t
t o
a
v e r t i c a l W h e e l
c e n t r a l l o n g i t u d i n a l
p l a n e a n d W i t h
r e s p e c t t o a
W h e e l - c a r r i e r - s i d e
p i v o t
a x i s t h r o u g h s a i d f u r t h e r a r t i c u l a t i o n
p o i n t s
o f
s a i d
tWo o t h e r l i n k s .
4 . The W h e e l s u s p e n s i o n
a c c o r d i n g
t o c l a i m 3 , W h e r e i n a
f o r e m o s t of s a i d
l i n k s
h a s an i n d e n t a t i o n formed t h e r e i n
5
20
25
30
35
4 0
45
50
55
60
6 5
6
Which i s
composed
o f a h o l l o W Which e x t e n d s from
s a i d
b o d y - s i d e mount
p o i n t t o a s t r a i g h t l i n k arm p a r t Which i s
mounted
o
s a i d Wheel
c a r r i e r
a t
t h e
f u r t h e r
a r t i c u l a t i o n p o i n t .
5 . The h e e l
s u s p e n s i o n a c c o r d i n g
t o c l a i m 2 , W h e r e i n s a i d
tWo o t h e r l i n k s form
? r s t ,
upper
p o l e
f o r an l a s t o k i n e m a t i c
p i v o t a x i s , t h e u p p e r
poleias v i e W e d
i n t h e
d i r e c t i o n
o f
t r a v e l i i s
s i t u a t e d i n f r o n t
o f
t h e
v e r t i c a l
Wheel
c e n t r a l t r a n s
v e r s e
p l a n e
and o u t s i d e
a t r e a d Width
o f
t h e
W h e e l .
6 . The h e e l
s u s p e n s i o n a c c o r d i n g
t o c l a i m 5 , W h e r e i n s a i d
t r i a n g u l a r l i n k
a n d
s a i d
t r a c k
r o d
f o r m a s e c o n d , l o W e r p o l e
f o r t h e e l a s t o k i n e m a t i c p i v o t a x i s , a n d t h e e l a s t o k i n e m a t i c
p i v o t a x i s i s s i t u a t e d W i t h a f u r t h e r p o l e
i n
a Wheel c o n t a c t
p l a n e
o u t s i d e t h e t r e a d W i d t h
a n d W i t h
r e s p e c t t o t h e
v e r t i c a l
W h e e l
c e n t r a l t r a n s v e r s e
p l a n e .
7 .
The W h e e l s u s p e n s i o n a c c o r d i n g t o
c l a i m
6 ,
W h e r e i n
t h e
f u r t h e r p o l e i n t h e W h e e l
c o n t a c t p l a n e i s d e s i g n e d f o r
a n
a d j u s t m e n t o f t h e
Wheel i n
a n
e v e n t
o f b r a k i n g
f o r c e s , and
a n
o t h e r
p o l e
on h e e l a s t o k i n e m a t i c p i v ot a x i s
i s
d e s i g n e d f o r
a n
a d j u s t m e n t o f t h e
Wheel i n
an
e v e n t
o f l o a d s h i f t f o r c e s ,
and
t h e f u r t h e r
p o l e
a n d t h e o t h e r
p o l e a r e
s i t u a t e d i n f r o n t o f t h e
v e r t i c a l W h e e l c e n t r a l
t r a n s v e r s e
p l a n e
and o u t s i d e
t h e t r e a d
W i d t h .
8 . The h e e l s u s p e n s i o n a c c o r d i n g t o c l a i m 1 , W h e r e i n o n e
o f
s a i d
tWo o t h e r l i n k s i s s i t u a t e d
b e h i n d
t h e v e r t i c a l Wheel
c e n t r a l t r a n s v e r s e p l a n e
a s vieWed n t h e d i r e c t i o n o f r a v e l , o f
t h e u p p e r l i n k p l a n e , a n d
i s d i s p o s e d
a t a n a n g l e o f a p p r o x i
m a t e l y 4 5 W i t h
r e s p e c t t o t h e
v e r t i c a l Wheel
c e n t r a l t r a n s
v e r s e
p l a n e
and
h a s
an
o v e r l a p p i n g ,
i d e n t i c a l
p r o ? l e
t o a
s t a b i l i z e r a r m
W h i c h
runs belo W
s a i d
one
l i n k
and
W h i c h s
s p a c e d a p a r t i n
t e r m s
o f h e i g h t .
9 . T h e
W h e e l
s u s p e n s i o n a c c o r d i n g t o c l a i m
1 , W h e r e i n s a i d
l i n k s a r e
a l i g n e d With
r e s p e c t t o one
a n o t h e r
and have mount
c h a r a c t e r i s t i c s s u c h
t h a t
a x e s Which a r e formed
by
p o l e s a r e
g e n e r a t e d ,
i n such a
W a y
t h a t t h e
Wheel
can
be
e l a s t o k i n e
m a t i c a l l y a d j u s t e d i n a d i r e c t i o n
o f t o e - i n
under
an
i n ? u e n c e
o f
b r a k i n g
f o r c e s , l o a d s h i f t f o r c e s and
i n
a n e v e n t o f
s i d e
f o r c e s ,
a n d
t h a t
t h e
W h e e l
c a n
b e
e l a s t o k i n e m a t i c a l l y a d j u s t e d
i n t h e d i r e c t i o n
o f
t o e - o u t under an in?uence of Wheel l o a d s
and d r i v e
f o r c e s .
1 0 .
The W h e e l
s u s p e n s i o n a c c o r d i n g
t o
c l a i m
9 , W h e r e i n :
s a i d
l i n k s
i n c l u d e
a f r o n t l i n k
and
an
i n d i v i d u a l
l i n k ;
and
a p o l e
i n
a Wheel c o n t a c t p l a n e f o r an e l a s t o k i n e m a t i c
a d j u s t m e n t
o f t h e
Wheel i n
t h e
t o e - i n
s e n s e i n an v e n t of
a
s i d e
f o r c e
i s formed
by a n
i m a g i n a r y
p i v o t
a x i s
Which
r u n s
t h r o u g h s a i d
body
s i d e f r o n t
mount
o f s a i d t r i a n g u
l a r
l i n k a n d
t h r o u g h a n u p p e r p o l e f o r m e d by s a i d
f r o n t
l i n k
and
s a i d
i n d i v i d u a l
l i n k W h i c h
s
s i t u a t e d
a t
a r e a r .
1 1 . The W h e e l
s u s p e n s i o n a c c o r d i n g
t o c l a i m
1 , W h e r e i n
s a i d t r i a n g u l a r l i n k h a s
a r e c e p t a c l e
f o r h o l d i n g
a
l o W e r
end
f
s a i d s p r i n g .
1 2 .
The
W h e e l s u s p e n s i o n a c c o r d i n g
t o
c l a i m 1 ,
f u r t h e r
c o m p r i s i n g :
a screW; and
a
s t a b i l i z e r
h a v i n g a h a n g e r
h e l d i n
s a i d t r i a n g u l a r l i n k b y
means of a i d screW W h i c h s formed simultaneously a s
a
b e a r i n g screW
f o r
s a i d damper
t r u t .
1 3 .
A heel s u s p e n s i o n
f o r
r e a r Wheels of motor
e h i c l e ,
t h e W h e e l s u s p e n s i o n c o m p r i s i n g :
f o u r l n k s i n c l u d i n g a
t r i a n g u l a r l i n k a n d t h r e e
s e p a r a t e
l i n k s , one o f
s a i d t h r e e
s e p a r a t e l i n k s b e i n g a t r a c k r o d
a n d r e m a i n i n g t W o l i n k s b e i n g t W o
o t h e r
l i n k s ;
a
W h e e l c a r r i e r b e i n g g u i d e d by s a i d f o u r
l i n k s
Which
a r e
held on a Wh eel c a r r i e r
s i d e
and
on
a
b o d y
s i d e ;
a
damper
t r u t ;
a s p r i n g s e l e c t e d f r o m t h e g r o u p c o n s i s t i n g
o f
a i r s p r i n g s
a n d
s p i r a l
s p r i n g s ;
-
8/11/2019 Us 7967310
11/11
US
7 , 9 6 7 , 3 1 0
B2
7
s a i d t r i a n g u l a r l i n k
d i s p o s e d
i n a l o w e r l i n k p l a n e a n d s a i d
t h r e e s e p a r a t e
l i n k s b e i n g d i s p o s e d
i n a n
u p p e r
l i n k
p l a n e , a n d W i t h i t b e i n g
p o s s i b l e ,
a s a r e s u l t o f p o l e
f o r m a t i o n s
de?ned
by means o f s a i d
l i n k s ,
f o r
a
Wheel
o
be e l a s t o k i n e m a t i c a l l y
a d j u s t e d
i n a
t o e - i n s e n s e
and a
t o e - o u t s e n s e under a c t i o n of o r c e s ;
s a i d t r i a n g u la r
l i n k
h a v i n g
a
b o d y
s i d e
f r o n t
mount
b e i n g
a r t i c u l a t e d l y
c o n n e c t e d
t o
s a i d W h e e l c a r r i e r , i n
r e l a t i o n
t o a d i r e c t i o n of r a v e l , behind a v e r t i c a l Wheel
c e n t r a l
t r a n s v e r s e p l a n e
and beloW
a h o r i z o n t a l
Wheel
c e n t r a l
p l a n e , s a i d
t r i a n g u l a r l i n k
h o l d i n g s a i d d a m p e r s t r u t
a n d
s a i d
s p r i n g W h i c h s
s p a c e d a p a r t f r o m s a i d d a m p e r s t r u t ,
i n a s u p p o r t i n g
f a s h i o n ,
and
i n
t h a t ,
a s
vieWed i n t h e
d i r e c t i o n
o f
t r a v e l , s a i d
t r a c k r o d i s d i s p o s e d i n
f r o n t
o f
t h e
v e r t i c a l Wheel
c e n t r a l t r a n s v e r s e
p l a n e i n
t h e
u p p e r
l i n k p l a n e , and i n
t h a t i n
each c a s e one of a i d
s e p a r a t e
l i n k s
i s
d i s p o s e d
a t b o t h s i d e s o f
t h e
v e r t i c a l Wheel
c e n t r a l t r a n s v e r s e
p l a n e ,
s a i d s e p a r a t e
l i n k s
b e i n g
1 5
8
a l i g n e d a t d i f f e r e n t a n g l e s
s o
a s
t o
d i v e r g e from
s a i d
Wheel c a r r i e r
i n
a d i r e c t i o n
o f
a
v e h i c l e
body and de?ne
t h e
u p p e r
l i n k p l a n e ;
s a i d t r a c k
r o d h a v i n g an a r t i c u l a t i o n
p o i n t
on s a i d Wheel
c a r r i e r , s a i d a r t i c u l a t i o n p o i n t s i t u a t e d a b o v e t h e h o r i
Z o n t a l
Wheel c e n t r a l p l a n e , and s a i d
tWo
o t h e r
l i n k s h a v e
f u r t h e r
a r t i c u l a t i o n
p o i n t s
t o
s a i d W h e e l c a r r i e r b e i n g
s i t u a t e d a b o v e s a i d a r t i c u l a t i o n p o i n t o f s a i d t r a c k r o d on
s a i d W h e e l
c a r r i e r ; a n d
s a i d t r a c k rod
and one
o f s a i d tWo
o t h e r
l i n k s W h i c h i a s
v i e W e d
i n t h e
d i r e c t i o n
o f t r a v e l i i s d i s p o s e d i n f r o n t o f
t h e
v e r t i c a l
Wheel c e n t r a l t r a n s v e r s e
p l a n e ,
a r e
d i s p o s e d
a t d i f f e r e n t h e i g h t s
and
s o a s t o be a p p r o x i m a t e l y p a r a l
l e l t o
one
a n o t h e r
and have an a p p r o x i m a t e l y
e q u a l
l e n g t h
a n d h a v e
b o d y - s i d e a r t i c u l a t i o n
p o i n t s a n d
W h e e l
c a r r i e r - s i d e a r t i c u l a t i o n
p o i n t s
a n d
W h i c h
l i e v i r t u a l l y i n
p a r a l l e l v e r t i c a l
p l a n e s .