US PATENT SUBCLASS 84 / 115
.~.~ Selectors

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
115.~.~ Selectors {8}
116  DF  .~.~.~> Tracker-box location
117  DF  .~.~.~> Mechanical fingers
118  DF  .~.~.~> Plurality of sheets {2}
121  DF  .~.~.~> Sheet not rolled
122  DF  .~.~.~> Winding and rewinding {16}
146  DF  .~.~.~> Trackers and sheets {4}
151  DF  .~.~.~> Trackers {6}
161  DF  .~.~.~> Note sheets {5}

DEFINITION

Classification: 84/115

The means for determining which notes of the piano, organ, etc., shall be sounded. It usually includes a tracker-bar, a perforated sheet, and driving means.

(1) Note. These features are shown in automatic telegraphs and in patents in many other subclasses of this class, and are sometimes claimed along with playing mechanism, as in subclass 24, and indented subclasses.

(2) Note. This subclass includes also details and optical or other attachments to the selector not otherwise classified.

(3) Note. For indicators see this class, subclass 169.