US PATENT SUBCLASS 84 / 365
.~.~.~ Key actions
Current as of: June, 1999
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| 84 / | HD | MUSIC |
|
| 1 | DF | INSTRUMENTS {9} |
| 330 | DF | .~ Wind {5} |
| 351 | DF | .~.~ Reed organs {10} |
| 365 |  | .~.~.~ Key actions {3} |
| 366 | DF | .~.~.~.~> Pedal |
| 367 | DF | .~.~.~.~> Pneumatic |
| 368 | DF | .~.~.~.~> Pallets |
DEFINITION
Classification: 84/365
Modifications in the parts of the action operated or controlled by the keys; devices to start the tongue in prompt vibration.