Improvements in or relating to Positive Driving Mechanism for the Music Sheets and Winding Rollers of Mechanical Pianoforte Players.
September 12, 1912
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23,774. Rowley, J. Oct. 27. Pivots; pivot pins.- In a piano-player the roll K is mounted upon pointed and screwed pivot-pins L, which are mounted on slides M and are adjustable longitudinally by nuts N.
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Improvements in and connected with pianos
Winding and controlling mechanism for belts and the like.
Key-rail for player-pianos.
Upright automatic player-piano.
Instrument for the production of musical tones forming a tempered scale.
Electrical piano attachment.
Brake for player-piano rolls.
Tracker mechanism for player-pianos.
Automatic musical instrument and music-sheet
Damper-action for pianofortes
Automatic musical instrument.
Tremolo attachment for banjos or similar instruments.
Electric attachment for pianos.
Guiding means for music-sheets.
Player for pianos.
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