FIELD: aids for music.
SUBSTANCE: piano mechanism has hummer roller which is mounted for permitting rotation in the holding clamp secured to the handle of the hummer.
EFFECT: decreased effort for pressing keys.
| Title | Year | Author | Number |
|---|---|---|---|
| PIANO KEY MECHANISM | 2016 |
|
RU2676417C2 |
| KEYBOARD MECHANICAL DEVICE FOR OBTAINING OF SOUNDS FROM STRING MUSICAL INSTRUMENTS | 2008 |
|
RU2364953C2 |
| KEY MECHANISM OF PIANO | 2002 |
|
RU2201622C1 |
| PIANO MECHANISM | 0 |
|
SU802991A1 |
| PIANO | 1999 |
|
RU2155992C1 |
| KEY MECHANISM OF GRAND PIANO | 1998 |
|
RU2197753C2 |
| 0 |
|
SU8551A1 | |
| 0 |
|
SU66154A1 | |
| MUSICAL INSTRUMENT | 1993 |
|
RU2063067C1 |
