US PATENT SUBCLASS 84 / 236
.~.~.~ Hammers actions

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
173  DF  .~ Stringed {10}
174  DF  .~.~ Pianos {19}
236.~.~.~ Hammers actions {3}
237  DF  .~.~.~.~> Horizontal {2}
240  DF  .~.~.~.~> Upright {2}
243  DF  .~.~.~.~> Details {9}

DEFINITION

Classification: 84/236

(under subclass 423) Patents covering the parts between the key and the strings, usually called collectively, a "piano-action". The keys are not treated as parts of the action. (See ... ).

(1) Note. The title distinguishes from the pedal-actions of an ordinary piano.

SEE OR SEARCH THIS CLASS, SUBCLASS:

323, 324, for simple actions.

426, for pedals to operate the hammers.