Yamaha G10C Bedienungsanleitung PDF herunterladen (Seite 8)

EP 0 585 798 B1

ous

those skilled in the

art

that various

changes

and

modifications

may

be made without

departing

from the

scope

of the

present

invention

defined

the

ap-

pended

claims. For

example,

various

types

spring are

available for the

spring

2t,

and each of the

regulating

screws

2u and

replaceable

with washers fixed be-

tween

bolt and

nut.

Moreover,

an upright piano according

the

present

invention

may

form

part

automatic

player piano

disclosed

in,

for

example,

U.S. P. No.

4,913,026,

and

music is

reproduced through a playback

mode of

oper-

ation

the

upright piano.

Another

upright piano

may

equipped

with

electronic

tone

generating

system

coupled

with

a speak-

system

and

shank

stopper.

In this

instance,

the

shank

stopper

is moved into

out

of the orbits of the

hammer assemblies

depending

upon

the modes of

op-

eration. While the

upright piano

staying

silent

mode,

the hammer assemblies driven

the associated

key

action mechanisms

are brought

into

contact

with the

shank

stopper

before strike

the

strings,

and the

tone

generating

system

synthesizes

sounds instead of the

strings.

Claims

1. An

upright piano comprising:

minal

position

when said

whippen assem-

bly

is rotated from said first intermediate

position

said first terminal

position,

d-3) a

butt

(2i) pivotally supported by

said

stationary structure,

and connected with

said hammer

assembly,

said butt

being ro-

tated

said

jack

forward direction

from

third initial

position corresponding

said second initial

position

released

position corresponding

said

escape po-

sition,

said butt

being

kicked

said

jack

said released

position

for

rushing

said

least

one

hammer

assembly

toward said

least

one string,

said

least

one

hammer

assembly rebounding on

said

least

one

string so

that said butt

being

rotated in

backward direction

through a

second inter-

mediate

position

third terminal

posi-

tion,

d-4) a

back check

(2g) projecting

from said

whippen assembly,

and

d-5) a

catcher

(2n/ 2o) backwardly project-

ing

from said

butt,

and

brought

into

contact

with said back check when said butt reach-

said third terminal

position,

characterized

e) a repetition

mechanism

(8;

2; 22;

32) having

a) a keyboard (1) having

least

one key (1a)

swingable

between

rest

position

without

any

force

applied

the

user

and

end

posi-

tion,

capstan

button

(1d) projecting

from

rear portion

of said

least

one key;

least

one string (4)

associated with said

least

one key;

least

one

hammer

assembly (3)

for

striking

said

least

one string;

and

d) a key

action mechanism

(2;

1 1

;

)

linked

with said

least

one key

for

driving

said

least

one

hammer

assembly,

and

having

d-1) a whippen assembly (2a) pivotally

supported by a stationary

structure

(6/7),

and rotated

said

capstan

button be-

tween

first initial

position corresponding

said

rest

position

and

first terminal

po-

sition

corresponding

said end

position

through a

first intermediate

position,

d-2) a jack (2d) pivotally supported by

said

whippen assembly,

and moved from

a sec-

ond initial

position

restricted

position

without

any

pivotal

motion when said

whip-

pen

assembly

swung

from said first initial

position

said first intermediate

position,

said

jack being

rotated around said

whip-

pen

assembly

from said restricted

position

through an

escape

position

second

ter-

e-1) a repetition

lever

(2q;

22b;

32a)

rotat-

ably supported by

said

butt,

and rotated

said

jack

due

the

escape

so as

pro-

duce

gap

(G)

between

a leading

end

thereof and said back check when said

jack

reaches said second terminal

position

and

before said

least

one

hammer

assembly

rotates

backwardly,

then said

leading

end

being brought

into

contact

with said back

check when said butt reaches said second

intermediate

position,

e-2) a driving

rod

means (2w/

2x1

2y;

12b;

22a) projecting

from said

repetition

lever,

brought

into

contact

with said

jack,

and

ro-

tating

said

repetition

lever

over

said back

check

the

way

from said

escape

posi-

tion

said second terminal

position

through

the rotation of said

jack

due

the

escape,

and

e-3) an

elastic

means (2s/ 2t) urging

said

repetition

lever for

allowing

said

driving

rod

means

brought

into

contact

with said

jack.

2. An

upright piano as

set

forth in claim

in which said

driving

rod

means comprises a

rod member

(2w)

projecting

from said

repetition

lever,

and

a regulat-

ing means {2x1 2y) coupled

with

a leading

end of

said rod member and

changing an

initial

position

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 19 20

EP 0 585 798 B1 12
IP 0 585 798 B1 20

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