US PATENT SUBCLASS 84 / 112
.~.~.~ Constant power

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
105  DF  .~.~ Outside players {5}
112.~.~.~ Constant power {2}
113  DF  .~.~.~.~> Electric control
114  DF  .~.~.~.~> Pneumatic control

DEFINITION

Classification: 84/112

The key-striker is operated from a constantly-moving source of power.