US PATENT SUBCLASS 84 / 76
.~.~.~.~.~.~.~.~ Operating together


Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
7  DF  .~.~ Stringed {4}
13  DF  .~.~.~ Pianos {5}
24  DF  .~.~.~.~ Pneumatic type {10}
70  DF  .~.~.~.~.~ Wind-supply devices {3}
72  DF  .~.~.~.~.~.~ Pedals {3}
75  DF  .~.~.~.~.~.~.~ With doors {1}
76.~.~.~.~.~.~.~.~ Operating together {2}
77  DF  .~.~.~.~.~.~.~>.~.~ Door-carried pedal
78  DF  .~.~.~.~.~.~.~>.~.~ Upper panel moved


DEFINITION

Classification: 84/76

Mechanism to open the doors and throw down the pedals by a single action of the performer.