us7032421 - knurling tool [cut knurler - swarowski-optik] - mayr & erler, 2006

8/10/2019 US7032421 - Knurling Tool [Cut Knurler - Swarowski-Optik] - Mayr & Erler, 2006

1/6

( 1 2 )

United S t a t e s

Patent

US007032421B2

( 1 0 ) P a t e n t

N 0 . :

US

7 , 0 3 2 , 4 2 1

B 2

Mayr e t

a ] .

( 4 5 ) D a t e o f P a t e n t : A p r . 2 5 , 2 0 0 6

(54) KNURLING

TOOL

1,044,006 A 11/1912 Boche . . . . . . . . . . . . . . . . . . . . . . . . . 72/199

2 ,2 9 4 ,68 5 A * 9 / 19 42 Nelson

. . . .

. . 72/ 104

I n v e n t o r s :

Werner Mayra

Hannes

2 , 5 7 9 , 6 1 1

A * 1 2 / 1 9 5 1 P O I O I I I I B I I

7 2 / 1 0 8

Erler,

VO1derS(AT)

2 , 7 7 1 , 8 0 7

A

*

1 1 / 1 9 5 6

T r i n k l e . . . .

. .

8 2 / 1 5 8

2 ,7 9 6,7 7 9 A * 6 / 1 9 5 7 Mlller . . . . . . . . . . . . . . 72/ 108

- _

-_ - 3 055 240 A 9/1962

PatZman t

a1.

. . . . . . . . .

.. 72/104

7 3 )

Asslgnee swamvskl Optlk KG

Absam

(AT)

3 , 6 4 1 , 8 5 0

A *

2 / 1 9 7 2

P e t e r s o n

. . . . . . . . . 8 2 / 1 5 8

*

.

(

*

) 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 t e r m o f t h i s

i

* (B32232?

l

awnt 1 5

e x t e n d e d

o r a d l u s t e d

under 3 5 4 , 7 5 9 , 2 4 4

A

* 7 / 1 9 8 8 E n g i b a r o v . . . . . . . . . . . . . . . . .

8 2 / 1 5 4

U - S - C -

1 5 4 ( 1 ) ) by 6 1

d a y s - 5 , 0 4 6 , 2 2 6

A

9 / 1 9 9 1 C h e

2 1 ) A

1

N 1 0 / 7 7 0

564 5 , 9 9 2 , 1 9 9

A

1 1 / 1 9 9 9 G i a n n e t t i

pp

0.: ,

2 2 )

F i l e d ;

F e b _ 4 , 2004 FOR IGN PATENT

DOCUMENTS

DE 1045762

1 2 / 1 9 5 8

6 5 ) P r i o r P u b l i c a t i o n

Data

*

' t d b

Us

2004/0154373 A1 Aug. 1 2 ,

2004

C 1

e

y exammer

( 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

D a t a P r i m a r y

ExamineriEd

T o l a n

F e b 5 2 0 0 3 E P ) 0 3 0 0 2 4 5 0 7 4 ) A t t o r n e y , A g e n t , o r FirmiWenderoth, L i n d

o n a c k ,

. , ................................

. L LP

5 1 )

I n t .

C l .

B21D

1 5 / 0 0 2 0 0 6 . 0 1 ) 5 7 )

ABSTRACT

5 2 )

US. l . . . . . . . . . . . . . . . . . . . . .

. .

72/108; 7 2 / 4 8 1 . 6 ; 7 2 / 4 8 1 . 7 ;

72/703

. . . . . .

5 8 ) F i e l d

o f C l a s s i ? c a t i o n

Search

7 2 / 1 0 3

Aknurlmg

t o o l

1 5

p r o v 1 d e d havmg a t o o l

head Wh1ch

a r r 1 e s

7 2 / 1 0 4 1 0 8 4 4 6 3 4 8 1 6 a t l e a s t o n e

k n u r l i n g

W h e e l

a n d Which s

mounted

a d j u s t a b l y

7 2 / 4 8 1 7

7 0 3 .

4 0 8 7 1 4 7 1 5 3 1 8 1 1 8 5 : 2 0 7 / 7 6

o n

a

s h a f t , W h e r e i n

t h e t o o l

h e a d

i s m o u n t e d

o n

t h e s h a f t

407/88 l i n e a r l y displaceably

transversely

With

respect

t o

the

axis of

S e e

a l i c a t i o n

? l e f o r

Com

l e t e

S e a r c h h i s t o t h e

s h a f t , c h a r a c t e r i z e d

i n

t h a t

t h e r e i s

p r o v i d e d

a

? x i n g

pp p r y '

d e v i c e

f o r s e c u r i n g t h e r e l a t i v e p o s i t i o n o f t h e t o o l

h e a d

and

( 5 6 ) R e f e r e n c e s C i t e d t h e

s h a f t ,

t h e ? x i n g d e v i c e

b e i n g a r r a n g e d

b e t W e e n

t h e

t o o l

U . S .

PATENT DOCUMENTS

9 6 0 , 7 6 9

A

6/1 91 0 Armstrong . . . . . . . . . . . . . . . . . . . 7 2 /1 99

head and t h e s h a f t .

1 0

C l a i m s ,

3 Drawing S h e e t s

321614975

6

I


2/6


3/6

U.S. P atent A p r . 2 5 , 2 0 0 6 S h e e t 2

0 f

3

US 7 , 0 3 2 , 4 2 1 B2

F i g . 3

F l y .

4

7 : 1 ;

s i r / 0 . ? Ill

7


4/6

U.S. Patent

A p r .

2 5 ,

2 0 0 6

S h e e t

3 o f 3 US 7 , 0 3 2 , 4 2 1

B2

F i g .


5/6

US

7 , 0 3 2 , 4 2 1

B2

1

KNURLING

TOOL

BACKGROUND OF

THE

INVENTION

The p r e s e n t i n v e n t i o n

c o n c e r n s

a

k n u r l i n g

t o o l

c o m p r i s

i n g a

t o o l head

Which

c a r r i e s a t l e a s t one

k n u r l i n g Wheel

and

Which i s mounted a d j u s t a b l y on a s h a f t , Wherein t h e t o o l

head i s mounted

on t h e

s h a f t

l i n e a r l y d i s p l a c e a b l y t r a n s

v e r s e l y W i t h r e s p e c t t o t h e a x i s o f t h e s h a f t .

K n u r l i n g

t o o l s

c o m p r i s i n g

a t o o l h e a d

Which s mounted

a d j u s t a b l y on a s h a f t

a r e

a l r e a d y knoWn. One example

i s

i l l u s t r a t e d

i n

German

p a t e n t

DE

970

0 9 2 .

I n t h e state

o f

t h e

a r t

t h e

t o o l head o f

t h e k n u r l i n g

t o o l i s mounted on

t h e s h a f t

r o t a t a b l y about

an

a x i s s o t h a t

t h e

t o o l head

can

be

o r i e n t e d

r e l a t i v e t o t h e W o r k p i e c e t o be Worked u p o n ,

W i t h

t h e s h a f t

b e i n g

c l a m p e d , f o r

e x a m p l e ,

t o t h e s u p p o r t

o f

a

t u r n i n g l a t h e

or a CNC-machine.

A n u r l i n g t o o l

i n

Which

t h e

t o o l head s d i s p l a c e a b l e on

t h e

s h a f t l i n e a r l y

t r a n s v e r s e l y W i t h

r e s p e c t t o

t h e a x i s o f t h e

s h a f t i s d i s c l o s e d , f o r e x a m p l e , i n US.

P a t .

N o . 5 , 9 9 2 , 1 9 9 .

The

t o o l head

s

c o m p r e s s e d by a c l a m p i n g

s c r e W

i n

o r d e r

to ?x

t h e

t o o l head i n

p o s i t i o n

on

t h e

s h a f t .

I t h a s

b e e n

f o u n d

t h a t

t h i s

a d j u s t m e n t o p t i o n

f o r t h e t o o l

head

W i t h

r e s p e c t t o t h e s h a f t i s i n p r a c t i c e n o t s u ? i c i e n t t o

p e r m i t a d a p t a t i o n t o a l l t y p e s

o f m a c h i n e s. R a t h e r ,

i t Was

n e c e s s a r y

t o

m a n u f a c t u r e k n u r l i n g

t o o l s

o f

t h e

s p e c i ? e d

k i n d ,

W i t h v a r i o u s s h a f t s , i n o r d e r to c o v e r t h e c l a m p i n g

s i t u a t i o n i n r e l a t i o n t o t h e most common y p e s of

a c h i n e s .

I n a d d i t i o n , When h i g h l o a d i n g s

a r e

i n v o l v e d ,

t h e r e q u i r e

m e n t s f o r a d e q u a t e s t a b i l i t y i n r e s p e c t o f

s h a p e

o f t h e s h a f t

and

t h e t o o l

head a r e o n l y p a r t i a l l y m e t .

SUMMARY OF THE INVENTION

The o b j e c t o f t h e p r e s e n t i n v e n t i o n i s t o p r o v i d e a

k n u r l i n g

t o o l o f a

r o b u s t

s t r u c t u r e ,

Which

can be

a d j u s t e d i n

such a Way t h a t

i t

can

be

used

i n

r e l a t i o n

t o

t h e most Widely

v a r y i n g

t y p e s

o f m a c h i n e s

( f o r

e x a m p l e ,

i n t h e

c a s e

o f

m a c h i n e s

Which r o t a t e

c l o c k W i s e a n d c o u n t e r - c l o c k w i s e )

a n d W h i c h , i n

a d d i t i o n ,

p r o v i d e s

i m p r o v e d

s t a b i l i t y i n

r e s p e c t

o f s h a p e .

I n

a c c o r d a n c e W i t h

t h e

p r e s e n t

i n v e n t i o n , t h e r e

i s p r o

v i d e d a ? x i n g d e v i c e

f o r

s e c u r i n g t h e r e l a t i v e p o s i t i o n

o f

t h e

t o o l h e a d a n d t h e

s h a f t ,

t h e ? x i n g

d e v i c e

b e i n g

a r r a n g e d

betWeen t h e

t o o l

head and t h e s h a f t .

The

t o o l

head

can b e o p t i m a l l y

?xed

i n i t s r e l a t i v e

p o s i t i o n

W i t h

r e s p e c t t o t h e s h a f t W i t h o u t t h e t o o l head o r t h e

s h a f t

h a v i n g

t o b e c o m p r e s s e d

b y a

c l a m p i n g d e v i c e . T h e r e

f o r e ,

W i t h o u t

t h e

p r o v i s i o n

o f a

c l a m p i n g

g a p , t h e

tWo

s t r u c t u r a l components

can be of

a

more r o b u s t

c o n s t r u c t i o n ,

t h e r e b y

a f f o r d i n g

i m p r o v e d s t a b i l i t y

i n r e s p e c t

o f

s h a p e

o f

t h e k n u r l i n g t o o l .

P a r t i c u l a r l y p r e c i s e g u i d a n c e i s

p o s s i b l e

b y m e a n s o f a

d o v e t a i l

g u i d e m e a n s .

I n o r d e r t o b e a b l e t o a d j u s t t h e r e l a t i v e p o s i t i o n betWeen

t h e

t o o l

h e a d

a n d

t h e s h a f t , t h e r e i s p r o v i d e d

a n

a d j u s t i n g

d e v i c e , f o r

e x a m p l e , W i t h an

a d j u s t i n g s c r e W . The s e t

p o s i t i o n c a n t h e n b e p r e f e r a b l y s e c u r e d b y

a

? x i n g

d e v i c e ,

f o r e x a m p l e ,

b y means o f c l a m p i n g

e c c e n t r i c s .

F u r t h e r

a d v a n t a g e s and d e t a i l s

o f t h e i n v e n t i o n a r e

d e s c r i b e d more

p r e c i s e l y

W i t h r e f e r e n c e t o

t h e

s p e c i ? c

d e s c r i p t i o n h e r e i n a f t e r .

BR I E F

DESCRIPTION

OF THE

DRAWINGS

FIG. 1 shoWs a

s i d e

vieW

of an

embodiment

of

k n u r l i n g

( m i l l i n g ) t o o l

a c c o r d i n g

t o

t h e

p r e s e n t i n v e n t i o n ,

20

25

30

35

40

45

50

55

60

6 5

2

F I G . 2 shoWs a vieW i n s e c t i o n t a k e n a l o n g l i n e AiA n

F I G . 1 ,

F I G .

3 shoWs a

vieW

i n s e c t i o n

t a k e n a l o n g l i n e

BiB n

F I G . 2 ,

F I G .

4 shoWs a

vieW

i n s e c t i o n t a k e n

a l o n g l i n e

C4C n

F I G . 3 ,

a n d

F I G .

5

shoWs

a

p e r s p e c t i v e v i e W .

DETAILED DESCRIPTION OF THE

INVENTION

The k n u r l i n g

m i l l i n g t o o l shoWn n F I G S . 1

t h r o u g h

5 h a s

a

t o o l

head 1 c a r r y i n g

tWo

k n u r l i n g

W h e e l s 2 .

As

W i l l be

d e s c r i b e d

i n

g r e a t e r

d e t a i l h e r e i n a f t e r , t h e t o o l

h e a d

1 i s

mounted a d j u s t a b l y on t h e s h a f t 3 .

Each o f t h e tWo k n u r l i n g W h e e l s 2 i s

mounted

f r e e l y

r o t a t a b l y a b o u t an a x i s

4

on

a

p i v o t

p i n 6

Which i n t u r n i s

mounted r o t a t a b l y i n t h e

t o o l

h e a d 1 . The tWo p i v o t p i n s 6

c a n b e

a d j u s t e d by

Way

o f

a

s c r e W t h r e a d e d

s p i n d l e 7

j o i n t l y

b u t i n o p p o s i t e

r e l a t i o n s h i p

i n t h e t o o l h e a d 1 ,

W h e r e b y

t h e

r e l a t i v e

s p a c i n g

o f

t h e t W o k n u r l i n g

W h e e l s 2

i s

a d j u s t a b l e .

S y n c h r o n o u s a d j u s t m e n t i s knoWn

p e r s e , f o r e x a m p l e ,

f r o m

DE

970

0 9 2 .

An r r e s t i n g d e v i c e 1 1

i s

p r o v i d e d i n o r d e r

to

s e c u r e t h e

r o t a r y p o s i t i o n , o n c e s e t ,

o f

t h e p i v o t

p i n s

6 a b o u t t h e a x i s

5 i n

t h e

t o o l head . The a r r e s t i n g d e v i c e 1 1

h a s

a

c l a m p i n g

member 1 2 ,

Which

on

t h e one hand

s

s u p p o r t e d a g a i n s t

an

i n c l i n e d s u r f a c e 1 3

o f

t h e t o o l

head

,

and

Which on t h e o t h e r

h a n d

b e a r s

a g a i n s t t h e p e r i p h e r al s u r f a c e o f t h e

p i v o t

p i n s 6 .

The

c l a m p i n g

member

1 2 i s moved

o r clamped by Way o f

a

screW 14 Which can be screWed

i n t o t h e

t o o l

head

1 . When

t h e s c r e W 1 4

W i t h

s c r e W h e a d 1 4 a )

i s

s c r e W e d i n , i n t h e

h o r i Z o n t a l d i r e c t i o n

a s

shoWn i n F I G S . 1 t h r o u g h 4 , t h e

c l a m p i n g member 1 2 moves

upWardly

due t o t h e i n c l i n e d

s u r f a c e 1 3 and i n a

s i m p l e

manner o i n t l y and s y n c h r o n o u s l y

c l a m p s t h e

t W o p i v o t p i n s

6 ? r m l y i n t h e p o s i t i o n p r e v i o u s l y

s e t by

Way o f t h e

s p i n d l e s c r e W

7 .

When

t h e

s c r e W 1 4

i s

u n s c r e W e d ,

t h e d i s k

9

Which

i s

mounted i n t h e groove 8 i n t h e screW 14 and Which b e a r s

a g a i n s t t h e r e a r s i d e 1 0 o f t h e

c l a m p i n g

member 1 2 e n t r a i n s

t h e c l a m p i n g member 1 2 o u t W a r d l y a n d t h u s a c t i v e l y

r e le a s e s

t h e

c l a m p i n g a c t i o n .

To g u i d e t h e t o o l h e a d 1

W i t h

r e s p e c t t o t h e s h a f t

3 ,

t h e

arrangement

h a s

a l i n e a r

g u i d e means 1 5 Which

e x t e n d s

t r a n s v e r s e l y W i t h r e s p e c t t o t h e a x i s

3 1 1 o f

t h e s h a f t a n d

W h i c h , i n t h e


e m b o d i m e n t b y

Way

o f e x a m p l e , i s

i n t h e form of a

d o v e t a i l

g u i d e means.

P r o v i d e d

a s an a d j u s t i n g d e v i c e f o r s e t t i n g t h e r e l a t i v e

p o s i t i o n

o f

t h e

t o o l head 1 and

t h e s h a f t 3

i s a n

a d j u s t i n g

screW 16

Which

e x t e n d s i n t h e h o r i z o n t a l d i r e c t i o n i n

FIGS.

1

t h r o u g h

4 . The

a d j u s t i n g

s c r e W 1 6 i s

mounted i n t h e s h a f t

3 r o t a t a b l y b u t a x i a l l y i m m o v a b l y a n d e n g a g e s W i t h i t s

s c r e W t h r e a d

? i g h t s

1 6 1 1 i n t o c o r r e s p o n d i n g s c r e W t h r e a d

? i g h t s

1 1 1

o n t h e

t o o l

h e a d

.

T h i s

p e r m i t s p r e c i s e a d j u s t m e n t

of

t h e

t o o l head 1 W i t h

r e s p e c t

t o

t h e

s h a f t 3 .

I n o r d e r t o

p e r m i t p l a y - f r e e movement o f t h e s c r e W t h r e a d ? i g h t s 1 6 a o f

t h e

a d j u s t i n g s c r e W 1 6 i n

t h e

s c r e W t h r e a d

? i g h t s 1 a o f t h e

t o o l

h e a d

1 , t h e a r r a n g e m e n t

h a s

a

p r e s t r e s s i n g

d e v i c e

Which

i s g e n e r a l l y

i d e n t i ? e d

b y 1 7

a n d

W h i c h

u r g e s

t h e a d j u s t i n g

screW 16 i n t o t h e s c r e W t h r e a d ? i g h t s 1 1 1

on

t h e

t o o l

head

.

The


d e v i c e

1 7

h a s

a s p r i n g 1 7 1 1 and a

p u s h r o d

1 7 b .

A f t e r t h e

r e l a t i v e p o s i t i o n

o f t h e

t o o l

h e a d

1

W i t h

r e s p e c t

t o

t h e

s h a f t 3 h a s been e t by Way o f t h e

a d j u s t i n g

s c r e W

1 6 ,

t h a t s e t p o s i t i o n c a n

b e s e c u r e d by

Way o f a ? x i n g

d e v i c e .

I n t h e p r e s e n t embodiment t h e

? x i n g

d e v i c e

c o m p r i s e s

t W o

s u b s t a n t i a l l y r o l l e r - s h a p e d c l a m p i n g e c c e n t r i c s 1 8 W h i c h


6/6

US

7 , 0 3 2 , 4 2 1

B2

3

e a c h e x t e n d i n t h e a d j u s t m e n t

d i r e c t i o n

on b o t h s i d e s o f t h e

a d j u s t i n g s c r e W

1 6 .

By o t a t i n g t h e c l a m p i n g e c c e n t r i c s

1 8 ,

t h e y

a r e c a u s e d t o b e a r s n u g l y a n d ? r m l y a g a i n s t

t h e

t o o l

h e a d 1 a n d

t h u s p r o v i d e

f o r c l a m p i n g t h e

t o o l

h e a d 1 a n d t h e

s h a f t 3 .

T h u s , t h e r e l a t i v e p o s i t i o n o f t h e s h a f t 3

W i t h

r e s p e c t t o t h e

t o o l

head 1

c a n b e

q u i c k l y and

p r e c i s e l y ?xed

i n

a

s i m p l e

manner by Way

o f a d j u s t m e n t o f

t h e a d j u s t i n g s c r e W

1 6 and

s u b s e q u e n t

r o t a t i o n

o f

t h e

c l a m p i n g

e c c e n t r i c s 1 8 .

T h i s

p e r m i t s

a d a p t a t i o n t o

t h e

m o s t W i d e l y

v a r y i n g

t y p e s o f

m a c h i n e s .

I t W i l l b e a p p r e c i a t e d t h a t t h e p r e s e n t i n v e n t i o n i s

n o t

l i m i t e d

t o

t h e


e m b o d i m e n t s . F o r

e x a m p l e ,

t h e t o o l

head

1 may a l s o have a d i f f e r e n t number o f k n u r l i n g Wheels

2 .

The a d j u s t m e n t

a n d

t h e a r r a n g e m e n t o f t h e k n u r l i n g

W h e e l s 2

i n

t h e

h e a d may a l s o v a r y .

I t

W i l l b e a p p r e c i a t e d

t h a t

t h e k n u r l i n g

W h e e l s

2 a r e

p r e f e r a b l y

i n t e r c h a n g e a b l e

a n d

c a n b e

e x c h a n g e d

a c c o r d i n g t o t h e r e s p ec t i v e d e s i r e d

k n u r l i n g e f f e c t .

The i n v e n t i o n c l a i m e d i s :

1 . A n u r l i n g t o o l c o m p r i s i n g :

a t o o l head Which

c a r r i e s

a t l e a s t one k n u r l i n g Wheel and

Which

i s

mounted

a d j u s t a b l y

on

a

s h a f t ,

W h e r e i n t h e t o o l head i s

mounted

on t h e s h a f t l i n e a r l y

d i s p l a c e a b l y

t r a n s v e r s e l y

W i t h

r e s p e c t

t o a n a x i s

o f t h e

s h a f t ,

W h e r e i n

a

? x i n g d e v i c e

i s

p r o v i d e d f o r s e c u r i n g

a r e l a t i v e

p o s i t i o n o f t h e

t o o l h e a d W i t h


s h a f t ,

t h e

? x i n g d e v i c e

b e i n g a r r a n g e d

b e t W e e n t h e t o o l h e a d a n d

t h e s h a f t , a n d

W h e r e i n

t h e

? x i n g

d e v i c e c o m p r i s e s a t

l e a s t

o n e

c l a m p i n g

e c c e n t r i c o p e r a t i v e

b e t W e e n t h e

t o o l h e a d

a n d t h e s h a f t .

2 .

A n u r l i n g t o o l

a s

s e t

f o r t h i n c l a i m 1 ,

W h e r e i n a n

a d j u s t i n g d e v i c e

i s p r o v i d e d f o r

s e t t i n g t h e

r e l a t i v e p o s i t i o n o f t h e t o o l h e a d

W i t h


s h a f t ,

Wherein

t h e a t l e a s t

one clamping e c c e n t r i c

c o m p r i s e s a

? r s t

c l a m p i n g

e c c e n t r i c

and

a

s e c o n d

clamping

e c c e n

t r i c ,

W h e r e i n t h e ? r s t c l a m p i n g

e c c e n t r i c

e x t e n d s

i n a n

a d j u s t

i n g d i r e c ti o n and i s d i s p o s e d on a ? r s t

s i d e

o f t h e

a d j u s t i n g d e v i c e ,

a n d

W h e r e i n t h e s e c o n d c l a m p i n g e c c e n t r i c e x t e n d s

i n

t h e

a d j u s t i n g

d i r e c t i o n

and s d i s p o s e d on a s e c o n d s i d e o f

t h e a d j u s t i n g d e v i c e .

25

30

35

40

4

3 . A

n u r l i n g

t o o l a s s e t

f o r t h i n c l a i m

1 , Wherein a

d o v e t a i l g u i d e m e c h a n i s m s p r o v i d e d

f o r

l i n e a r g u i d a n c e o f

t h e t o o l head on t h e s h a f t .

4 . A n u r l i n g

t o o l

a s s e t f o r t h i n c l a i m

1 ,

Wherein an

a d j u s t i n g

d e v i c e i s p r o v i d e d f o r

s e t t i n g a r e l a t i v e p o s i t i o n

o f

t h e t o o l head

W i t h

r e s p e c t t o t h e s h a f t .

5 .

A

n u r l i n g

t o o l a s

s e t

f o r t h i n

c l a i m

4 ,

Wherein

t h e

a d j u s t i n g d e v i c e

c o m p r i s e s a n

a d j u s t i n g

s c r e W e x t e n d i n g i n

an a d j u s t m e n t

d i r e c t i o n .

6 . A n u r l i n g t o o l a s s e t f o r t h i n c l a i m 5 ,

W h e r e i n t h e a d j u s t i n g

s c r e W

i s

mounted

r o t a t a b l y

b u t

a x i a l l y

immovably

i n t h e s h a f t

o r

t h e t o o l

h e a d ,

a n d

W h e r e i n s c r e W t h r e a d ? i g h t s o f t h e a d j u s t i n g

s c r e W e n g a g e

W i t h

c o r r e s p o n d i n g s c r e W t h re a d ? i g h t s on h e t o o l h e a d

o r

the

s h a f t .

7 . A n u r l i n g t o o l a s s e t

f o r t h

i n

c l a i m

5 , Wherein a


d e v i c e i s

p r o v i d e d

f o r

p r e s s i n g

t h e a d j u s t i n g

screW

i n t o

screWthread ? i g h t s

on t h e t o o l head o r t h e

s h a f t .

8 . A n u r l i n g t o o l

a s

s e t

f o r t h

i n

c l a i m 1 ,

Wherein

t h e

a t l e a s t

one k n u r l i n g

Wheel c o m p r i s e s

a ? r s t

k n u r l i n g W h e e l a n d a s e c o n d k n u r l i n g W h e e l , a n d

Wherein

t h e

? r s t

and

s e c o n d

k n u r l i n g

W h e e l s

a r e

mounted

a d j u s t a b l y on t h e t o o l

h e a d .

9 . A n u r l i n g t o o l a s

s e t

f o r t h i n c l a i m 8 ,

W h e r e i n

a ? r s t

p i v o t

p i n i s m o u n t e d

r o t a t a b l y a n d a d j u s t

a b l y

i n

t h e t o o l h e a d a n d e x t e n d s t r a n s v e r s e l y

W i t h

r e s p e c t to t h e

a x i s

o f t h e s h a f t ,

W h e r e i n

t h e ? r s t k n u r l i n g W h e e l

i s mounted

f r e e l y

r o t a t

a b l y

o n t h e

?r s t

p i v o t p i n

a b o u t a n a x i s

e x t e n d i n g

i n c l i n e d l y W i t h r e s p e c t t o a n a x i s o f t h e ? r s t

p i v o t

p i n ,

W h e r e i n

a

s e c o n d p i v o t p i n i s mounted r o t a t a b l y a n d

a d j u s t a b l y i n

t h e

t o o l h e a d a n d e x t e n d s

t r a n s v e r s e l y

W i t h

r e s p e c t to t h e

a x i s

o f t h e s h a f t ,

a n d

W h e r e i n

t h e

s e c o n d

k n u r l i n g W h e e l

i s

mounted f r e e l y

r o t a t a b l y

on t h e

s e c o n d

p i v o t p i n a b o u t

a n

a x i s e x t e n d

i n g

i n c l i n e d l y

W i t h r e s p e c t t o a n a x i s

o f

t h e

s e c o n d

p i v o t

p i n .

1 0 .

Aknurling

t o o l

a s s e t

f o r t h

i n

c l a i m

9 ,

Wherein

h e a x i s

o f

t h e

?r s t p i v o t

p i n a n d t h e a x i s

o f

t h e

s e c o n d

p i v o t p i n s a r e

p e r p e n d i c u l a r

t o

a n a d j u s t i n g d i r e c t i o n betWeen t h e t o o l

head and t h e

s h a f t .

us7032421 - knurling tool [cut knurler - swarowski-optik] - mayr & erler, 2006

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