US7692080-Fret Wire With Bending Notches-2008

8/17/2019 US7692080-Fret Wire With Bending Notches-2008

1/4

US007692080B1

1 2 ) Ulllted States Patent 1 0 ) P a t e n t

N 0 . : U S

7 , 6 9 2 , 0 8 0

B1

R u s h i n g

4 5 )

D a t e o f P a t e n t :

A p r .

6 , 2 0 1 0

(54) FRET

WIREWITH

BENDING

NOTCHES 4,633,754

A *

1 / 1 9 8 7

Chapman . . . . . . . . . . . . . . . . .

84/31 4R

4,723,469 2/1988

Vogt . . . . . . . . .

..

84/314R

( 7 5 )

I n v e n t o r :

Donna W.

ushing,

166 3

Piedmont

R d . ,

4 , 8 4 6 , 0 3 8 A

* 7 / 1 9 8 9

T u r n e r

- - - - - - - - 5 5 4 / 2 9 3

New arket

TN

Us)

3 7 8 2 0

4 , 9 8 1 , 0 6 4

A

*

1 / 1 9 9 1

Vogt

84/314R

’

5,072,643

A

* 12/1991 Murata . . . . . . .. 84/293

- _

.

5,952,593

9/1999

Wilder

. . . . . . . .

.. 84/314R

( 7 3 )

A s s l g n e e ligmaw'Rushmg’New M a r k e t ’ T N

6 , 2 5 2 , 1 4 9

B 1 *

6 / 2 0 0 1 M a t s u s h i t a

8 4 / 3 1 4 R

( )

6,369,306 B2 4/2002

Chapman . . . . . . . . . ..

84/314R

. . . . .

6,613,969 B1 9/2003

P l l t l

84/314R

(*) Nome:

s u b l e c l t o

a n y d l s c l a l m e r i t h e t e r m

O f t h l s

7 , 0 6 0 , 8 8 1

B2*

6 / 2 0 0 6 S Z k I a i O . . . . . . . . . . . . . 8 4 / 3 1 4 R

P a t e n t 1 5 extended

O r a d l u s t e d

under 35 7 , 2 5 6 , 3 3 6 B2* 8 / 2 0 0 7

Muncy

1 : 1 1 84/314R

U.S.C. 154 b)

by

0

days. 2001/0029827 Al

10/2001

Chapman . . . . . . . . . .. 84/314

R

2009/0114076 A1* 5/ 2 0 0 9 Thidell . . . . . . . . . . . . . . . . . . . . 84/314R

( 2 1 ) A p p 1 . N 0 . :

1 2 / 0 7 5 , 0 7 2

OTHERPUBLICATIONS

( 2 2 ) F l l e d :

Mar‘

’ 2008

D o w n s ,

T e r r y , “Make o u r Own

I n e x p e n s i v e

F r e t

B e n d e r , ” ©

0 0 7

5 1 I t Cl T e r r y Downs M u s i c T M , v i e w e d

M a r .

3 , 2 0 0 9 a t h t t p : / / t e r

( )

n rydownsmusic.com/technotes/fretbender/fretibender.htm.*

G10D

3 / 0 4 ( 2 0 0 6 . 0 1 )

(52) us. l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

84/314

R * C i t e d b y examiner

( 5 8 )

F i e l d

o f

‘ C l a s s i ? c a t i o n

S e a r c h

. . . . . . . . . . . . . . . : 8 4 / 3 1 4

R P r i m a r y E x a m i n e r i l e f f r e y

D o n e l s

S e e

a p p l 1 c a t 1 o n

? l e f o r c o m p l e t e s e a r c h

h 1 s t o r y .

A s s i s t a n t ExamineriRObenW

orn

( 5 6 )

R e f e r e n c e s Ci t e d

U . S . PATENT

DOCUMENTS

463,954 A

*

11/1891

Middlebrooke . . . . . . . . .

. . 84/314R

5 0 1 , 7 4 3 A

* 7/1893

Stratton

. . . . . . . . . . 84/314R

1,472,943

A

* 11/1923 Shaeffer

. .

84/314R

1,727,620 A

* 9/1929 Smi th . . . . . . . . . . .

. . 84/314R

2,492,845

A

*

12/1949

Conkling

e t

a 1 .

8 4 / 3 1 4 R

2,816,469 12/1957

Gossom

. . . . . . . . . . . . . .. 84/293

3 ,27 3 , 439

A * 9/1966

Keefe e t a l .

. .

84/314R

3 , 7 1 2 , 9 5 2 A

*

1/197 3 Terlinde . . . . .. 84/314R

3 , 7 8 7 ,6 0 0 A

*

1/ 1 9 7 4 Muncy . . . . . . . . 84/314R

3 , 7 9 1 , 2 5 2 A *

2/1974

S i b e r t e t a l . 84/31 4R

4 , 0 6 4 , 7 7 9

A

*

1 2/ 1 9 7 7

Petillo

. . . . . . .

..

84/314R

4 , 064 , 780

A

* 12/1977 Bond

. .

84/314R

4 , 2 2 1 , 1 5 1 A

*

9/1980 Barth . . . . . . . . . . . . . . . . . . . . . . 84/314R

( 5 7 )

ABSTRACT

The

i n v e n t i o n

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

Wire f o r use on

t h e ?ngerboards

of s t r i n g e d

i n s t r u m e n t s .

The

f r e t

W i r e h a s

a croWn

of

any

u s a b l e

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

b u t

i s

d i s t i n

g u i s h e d

by

h e s t r u c t u r e

o f

t h e

t a n g

a ? i x e d

t o

t h e

c r o W n .

The

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

b e n d i n g n o t c h e s

t h a t e x t e n d

n e a r l y

t h r o u g h

t h e h e i g h t o f t h e t a n g t h a t

a l l o W

t h e f r e t W i r e t o more e a s i l y

bend t o

s h a p e o f

a

c o n t o u r e d

f r e t b o a r d . Tang

e l e m e n t s

f o r m e d

by

t h e n o t c h e s embody random r o u g h n e s s o r e l o n

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

t o

h o l d

t h e f r e t

W i r e

s e c u r e l y i n t h e

g r o o v e s

o f

a

f r e t

board.

4

C l a i m s ,

1 Drawing

S h e e t

DETAIL

A

TYPICAL GUITAR

FRET WIRE

WITH

UNIQUE SLOTS/NOTCHES CUT

AND

SPACED

TO ALLOW MORE FLEXIBILITY

W H E N

INSTALLING

INTO GUITAR

FINGER

BOARD.


2/4

A p r .

6 ,

2 0 1 0

U S 7 , 6 9 2 , 0 8 0

B1

S .

P a t e n t

< <

O O m m

M Q P O Z

2 5 2 m m

>


3/4

U S

7 , 6 9 2 , 0 8 0 B1

1

FRETWIRE WITH BENDING NOTCHES

CROSSREFERENCE TO RELATED

APPLICATIONS

T h i s a p p l i c a t i o n i s

b a s e d on

p r o v is i o n a l a p p l i c a t i o n

S e r .

No. 6 0 / 4 4 3 , 5 5 1 , ? l e d on J a n . 3 0 , 2 0 0 3 .

STATEMENT REGARDING FEDERALLY

SPONSORED RESEARCH

ORDEVELOPMENT

N o t A p p l i c a b l e

DESCRIPTIONOFATTACHEDAPPENDIX

N o t A p p l i c a b l e

BACKGROUND OFTHE INVENTION

T h i s i n v e n t i o n r e l a t e s g e n e r a l l y t o

t h e

? e l d o f m u s ic a l

s t r i n g e d i n s t r u m e n t s and

more s p e c i ? c a l l y

t o

an

a r t i c l e of

m a n u f a c t u r e f o r u s e on

t h e

? n g e r b o a r d s

o f s t r i n g e d i n s t r u

ments

With

Which

m u s i c i a n s

make

m u s i c a l

n o t e s

and

c h o r d s .

S t r i n g e d i n s t r u m e n t s

h a v e

b e e n

i n e x i s t e n c e f o r c e n t u r i e s .

H o W e v e r , i t W a s n ’ t u n t i l r e l a t i v e l y r e c e n t c e n t u r i e s t h a t f r e t s

W e r e

introduced in order t o exact a more ccurate

means

o r

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

? r s t f r e t

W i r e Was

p a t e n t e d i n t h e 1 8 0 0 ’ s . S i n c e t h a t

t i m e ,

f e W

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

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

n a l f r e t Was

e t a l Wire

i n t h e form of

“ T ” .

The

Wire

h a s been

m a r k e t e d i n l o n g r o l l s ,

f r o m

Which i n s t r u m e n t

m a k e r s c u t

l e n g t h s o f t h e W i r e

t o

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

t o

? l l t h e d i f f e r e n t

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


o f h e i n s t r u m e n t s .

The

l e g ,

o r

t a n g , o f t h e T e x t e n d s t o

t h e

bottom o f t h e

? n g e r b o a r d s l o t and t h e

t o p

o f t h e T

e x t e n d s

a b o v e t h e

?n

g e r b o a r d

and

s

u s u a l l y

rounded o o f f e r

more

c o m f o r t t o t h e

musician a s

he

o r she

?ngers

t h e

musical n o t e s o r

c h o r d s .

Many


a r e

c u r v e d

o r

c o n t o u r e d . When

h e

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

W i r e

i s c u t

f o r

a

p a r t i c u l a r s l o t ,

t h e

W i r e

i s

t h e n

pounded n t o t h e s l o t . B e c a u s e o f h e s h a p e o f h e W i r e ,

t h e

t o p

o f t h e W i r e

t e n d s

t o s t r e t c h

and

h e t a n g

t e n d s

t o bunch

o r

g a t h e r .

As

a r e s u l t , a s

t h e t o p

o f t h e W i r e p u l l s and t h e

b o t t o m

o f

t h e W i r e p u s h e s , t h e r e

i s

a

t e n d e n c y

f o r t h e

l o W e r

e n d s o f t h e W i r e t o

l i f t o u t

o f t h e s l o t ,

and

may W a r p .

I n 1 8 9 3 ,

John . S t r a t t o n r e c e i v e d a p a t e n t on a f r e t d e s i g n , US. a t .

N o .

5 0 1 , 7 4 3 . T h i s

f r e t

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

s u b s e q u e n t y e a r s ,

t o

t h e

p r e s e n t .

T h i s d e s i g n embodied h e T

c o n ? g u r a t i o n ,

Whereby

t h e t a n g Was i n s e r t e d

i n t o

a s l o t c u t

i n t o t h e

? n g e r b o a r d o f

t h e i n s t r u m e n t ;

a n d

t h e t o p

o f

t h e

T

c o n s t i t u t e d t h e a c t u a l

f r e t W i t h

Which m u s i c a l n o t e s and

c h o r d s

Were

made.

A d d i t i o n a l l y ,

t h e t a n g Was endoWed

W i t h

e l o n g a t e d

t r i a n g u l a r c u t o u t s , d e s i g n e d

t o

h e l p h o l d t h e f r e t i n

p l a c e o n c e i n s t a l l e d .

T h i s

d e s i g n i s a d e q u a t e f o r i n s t r u m e n t s

t h a t

h a v e

? a t ? n g e r b o a r d s ; b u t a r e

t r o u b l e s o m e f o r c o n t o u r e d

? n g e r b o a r d s .

High p r e s s u r e s

o r

hammer b l o W s r e q u i r e d

f o r i n s t a l l a t i o n

f r e q u e n t l y

l e a d

t o

d i s t o r t e d

f r e t s u r f a c e s

Which

must b e l e v

e l e d a n d d r e s s e d b y

s k i l l

l a b o r e r s p r i o r t o

s e n d i n g

t h e

i n s t r u

ment

t o

m a r k e t ,

o r

r e l e a s i n g

i t t o

a

r e p a i r

c u s t o m e r .

During

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

f r e q u e n t l y

become W i d e o r

o t h e r W i s e

d a m a g e d , e x a c e r b a t i n g t h e p r o b

l e m o f

l o o s e n i n g f r e t s .

BRIEF SUMMARY

OFTHE INVENTION

The p r i m a r y

o b j e c t o f t h e

i n v e n t i o n

i s t o p r o v i d e a neW and

i m p r o v e d f r e t W i r e .

1 0

20

25

3 0

35

4 0

45

50

55

60

6 5

2

Another

b j e c t

o f

t h e i n v e n t i o n

i s t o p r o v i d e

a l s s

s t i f f

f r e t

W i r e .

Another b j e c t

o f

h e i n v e n t i o n

i s

t o

p r o v i d e

a

f r e t W i r e t h a t

r e q u i r e s l e s s f o r c e t o i n s t a l l .

A u r t h e r o b j e c t

o f

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

W i r e

t h a t

does n o t

r e t a i n i n t e r n a l s t r e s s e s s u ? i c i e n t

t o

cause i t

t o

l o o s e n

a n d

r i s e

f r o m

t h e

? n g e r b o a r d .

Y e t a n o t h e r o b j e c t o f


i s t o p r o v i d e a f r e t W i r e

t h a t may

e

i n s t a l l e d

a n d l e v e l e d b y l e s s

s k i l l e d

l a b o r ,

s p e e d

i n g a n d

r e d u c i n g

t h e c o s t o f i n s t r u m e n t m a n u f a c t u r i n g .

S t i l l y e t

a n o t h e r

o b j e c t

o f


i s

t o

p r o v i d e

a f r e t

Wire t h a t

may

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

c u r r e n t i n s t r u m e n t

manu

f a c t u r i n g

p r o c e s s e s

W i t h o u t s i g n i ? c a n t

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

c esses .

Another b j e c t

o f

h e i n v e n t i o n i s t o

p r o v i d e

a

f r e t W i r e t h a t

may be manufactured W i t h minimum a d j u s t m e n t t o

t h e

c u r

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

a n d

t e c h n i q u e s .

O t h e r

o b j e c t s a n d a d v a n t a g e s

o f

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

W i l l

become a p p a r e n t

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

b y

Way o f

i l l u s t r a t i o n and e x a m p l e , an embodiment

o f t h e

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

i s

d i s c l o s e d .

I n

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

embodiment

o f t h e i n v e n

t i o n , t h e r e i s d i s c l o s e d an r t i c l e of

manufacture

o r use on h e

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

make

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

a

f r e t

W i r e o f i n d e t e r m i n a t e l e n g t h

and

W i d t h

a

f r e t

Wire With l e g , o r

t a n g ,

With r a i s e d s u r f a c e , a?ixed

t o

t h e

t a n g ,

t h a t s t a n d s

a b o v e

t h e

i n s t r u m e n t

? n g e r b o a r d

a n d

c o n s t i t u t e s t h e W o r k i n g p o r t i o n o f t h e f r e t W i r e

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

n e a r l y c o m p l e t e l y ,

t h r o u g h

t h e h e i g h t

o f

h e t a n g ,

r e s u l t i n g i n

u s e f u l

s t a n d a l o n e t a n g

e l e m e n t s

o f i n d e t e r m i n a t e W i d t h and

l e n g t h

BRIEF

DESCRIPTION

OFTHE

DRAWINGS

The

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

a

p a r t

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

a n d

i n c l u d e

e x e m p l a r y embodiments

o

t h e i n v e n t i o n , Which may

be embodied

in v a r i o u s

f o r m s . I t i s t o b e u n d e r st o o d

t h a t i n

some

i n s t a n c e s

v a r i o u s a s p e c t s

of h e i n v e n t i o n

may

be

shoWn

e x a g g e r a t e d

o r e n l a r g e d t o f a c i l i t a t e an

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

o f t h e

i n v e n t i o n .

F I G .

1

i s a n

o b l i q u e

vieW o f

t h e

i n v e n t i o n .

FIG. 2 s a c r o s s s e c t i o n

a t

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

b y

A-A n

F I G . 1

F I G . 3

i s

a d e t a i l e d c l o s e u p

o f


DETAILED

DESCRIPTION

OFTHE PREFERRED

EMBODIMENTS

D e t a i l e d d e s c r i p t i o n s

o f

h e p r e f e r r e d

embodiment

r e p r o

v i d e d

h e r e i n . I t

i s t o b e u n d e r s t o o d , h o W e v e r ,

t h a t t h e

p r e s e n t

i n v e n t i o n may e embodied i n v a r i o u s f o r m s . T h e r e f o r e , s p e

c i ? c

d e t a i l s

d i s c l o s e d

h e r e i n a r e

n o t

t o

be

i n t e r p r e t e d a s

lim

i t i n g , b u t r a t h e r a s a b a s i s f o r t h e

c l a i m s

and a s a

r e p r e s e n t a

t i v e

b a s i s f o r

t e a c h i n g one s k i l l e d i n t h e a r t t o

employ

t h e

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

i n

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

tem, structure or

manner.

With r e f e r e n c e t o F I G S . 1 t h r o u g h 3 , t h e f r e t W i r e o f t h i s

i n v e n t i o n

i n c l u d e s ,

b u t i s n o t l i m i t e d

t o ,

T - s h a p e d

f r e t

W i r e 1

i m p r o v e d

b y a s e r i e s o f b e n d i n g n o t c h e s 2 ,

t h u s

a l l o W i n g

t h e

upper r o s s

b a r o f h e

f r e t

W i r e 3

t o

be s u p p o r t e d by

s e r i e s of

i n d e p e n d e n t t a n g s

4 e a c h h o s t i n g one r more s e c u r i n g t a b s

5 ,

r a t h e r t h a n

b y

a c o n t i n u o u s t a n g a s

i n

c u r r e n t f r e t W i r e

With

a


4/4

U S

7 , 6 9 2 , 0 8 0 B1

3

c o n t i n u o u s l y

u n i f o r m

T - s h a p e d

c r o s s s e c t i o n

1 . The e r i e s o f

t a n g s

4 r e d u c e t h e s t i f f n e s s

o f

t h e f r e t W i r e a s compared t o

c o n t i n u o u s - t a n g f r e t W i r e .

The

? n g e r b o a r d

h o s t i n g t h e i m p r o v e d f r e t W i r e i s t h e same

i n a l l r e s p e c t s

a s

t h a t u s e d in c u r r e n t f r e t t e d s t r i n g e d i n s t r u

m e n t s . I n s t a l l a t i o n o f t h e improved

r e t W i r e i s

s i m i l a r t o t h a t

o f

c u r r e n t

f r e t

W i r e ,

W i t h

t h e

e x c e p t i o n

t h a t

t h e

i m p r o v e d

f r e t

W i r e

n e e d n o t b e b e n t t o s h a p e p r i o r t o i n s t a l l a t i o n and

t h e

W i r e can be p r e s s e d

o r

hammered i n t o

p l a c e

more e a s i l y

W i t h o u t t h e b e n d i n g r e s i s t a n c e e n c o u n t e r e d by h e c u r re n t f r e t

W i r e

d e s i g n .

I n a p r e f e r r e d

embodiment f h i s i n v e n t i o n ,

t h e f r e t

W i r e i s

of

h e same

c r o s s s e c t i o n a s c u r r e n t continuous-tang f r e t Wire

1 . The e r t i c a l

e l e m e n t s

of h e f r e t W i r e c o n s i s t s o f a s e r i e s of

s e p a r a t e

t a n g s

s e p a r a t e d

b y b e n d i n g n o t c h e s 2 c o m p l e t e l y o r

n e a r l y

c o m p l e t e l y

t h r o u g h

t h e

h e i g h t

o f h e t a n g . E a c h t a n g 4

h o s t s one

o r

more

s e c u r i n g

t a p s 5 The t a n g 4 i s

o f t y p i c a l

h e i g h t

of p p r o x i m a t e l y ,

b u t

n o t l i m i t e d t o a Width

o f

l . 5

mm.

The

b e n d i n g n o t c h e s 2 a r e s p a c e d

a p p r o x i m a t e l y b u t

n o t

l i m i t e d

t o

3 mm p a r t

and a r e

approximately

0 . 5

mm i d e ,

r e a c h i n g

t o o r

c l o s e

t o

t h e c r o s s b a r of h e f r e t .

While

t h e

i n v e n t i o n h a s

been

d e s c r i b e d

i n

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

a

p r e f e r r e d embodiment, t i s

n o t i n t e n d e d

t o l i m i t

t h e

s c o p e o f

t h e

i n v e n t i o n

t o t h e p a r t i c u l a r

form

s e t f o r t h ,

b u t on

h e

con

t r a r y , i t i s i n t e n d e d

t o

c o v e r

s u c h a l t e r n a t i v e s ,

m o d i ? c a t i o n s ,

and q u i v a l e n t s a s may

e i n c l u d e d W i t h i n

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

o f t h e i n v e n t i o n a s de?ned by t h e appended c l a i m s .

1 5

20

25

4

What s c l a i m e d i s :

1 . An r t i c l e of

manufacture

f o r

u s e

on h e

?ngerboards

of

s t r i n g e d

i n s t r u m e n t s

W i t h

Which m u s i c i a n s make m u s i c a l

n o t e s and c h o r d s c o m p r i s i n g : a f r e t

W i r e

h a v i n g a l e n g t h and

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

W i t h

a r a i s e d s u r f a c e ,

a ? i x e d

t o t h e t a n g , t h a t s t a n d s a b o v e t h e

i n s t r u m e n t

? n g e r

b o a r d a n d

c o n s t i t u t e s

t h e W o r k i n g p o r t i o n o f t h e f r e t W i r e ;

b e n d i n g

n o t c h e s

t h a t

e x t e n d c o m p l e t e l y , o r n e a r l y

com

p l e t e l y ,

t h r o u g h

t h e

h e i g h t

o f t h e t a n g , r e s u l t i n g

i n

u s e f u l

s t a n d

a l o n e t a n g

e l e m e n t s

e a c h e l e m e n t h a v in g a n

o r d i n a r y

t a n g

W i d t h and l e n g t h t h a t i s s h o r t

W i t h

r e s p e c t t o t h e l e n g t h

of

f r e t on

musical

i n s t r u m e n t : Whereon h e tang

elements

embody

a b r a s i o n s

a l o n g t h e

s i d e s ,

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

dom

r o u g h n e s s

o r

e l o n g a t e d

s t r i a t i o n s

o f

a p p r o x i m a t e l y

0 . 0 0 1 t o

0 . 0 1 0

i n c h i n h e i g h t

a b o v e

t h e t a n g c o n t o u r .

2 .

An p p a r a t u s a s i n c l a i m 1 Wherein t h e

l e g , o r

t a n g ,

i s

t o p p e d W i t h a

b r o a d ,

r o u n d e d s u r f a c e t h a t , When i n s t a l l e d i n

t h e

s l o t s

o f

? n g e r b o a r d ,

c o m p r i s e t h e

u s e f u l , f r e t t i n g p o r t i o n

o f t h e d e v i c e .

3

An

p p a r a t u s

a s i n

c l a i m

1 Wherein h e t a n g

p o r t i o n

of h e

f r e t

Wire

s notched s o a s t o a l l o W t h e

f r e t

Wire

t o bend a s i l y

t o

f o l l o W

t h e

c u r v e o f

c o n t o u r e d

? n g e r b o a r d s .

4 .

An

p p a r a t u s

a s i n

c l a i m

1

Wherein

t h e

t a n g e l e m e n t s

c o n t a i n r o u g h e n e d , o r e l o n g a t e d , s t r a i g h t s u r f a c e s , t h a t

e n g a g e

t h e

f r e t

s l o t

t o h e l p h o l d

t h e

f r e t

t i g h t l y i n

p l a c e o n c e

i n s t a l l e d .

US7692080-Fret Wire With Bending Notches-2008

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