US PATENT SUBCLASS 84 / 222
.~.~.~.~.~.~ Lost-motion preventers

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
173  DF  .~ Stringed {10}
174  DF  .~.~ Pianos {19}
216  DF  .~.~.~ Expression devices {5}
219  DF  .~.~.~.~ Pianissimo devices {2}
221  DF  .~.~.~.~.~ Hammer stroke shortened {1}
222.~.~.~.~.~.~ Lost-motion preventers {1}
223  DF  .~.~.~.~.~.~.~> In grand actions

DEFINITION

Classification: 84/222

Devices to prevent a gap in the connections between the keys and hammer-butts.