LOST MOTION COMPENSATION DEVICE FOR AN UPRIGHT PIANO ACTION
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United States of America Patent
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Sep 24, 2013
Grant Date -
Sep 26, 2013
app pub date -
Mar 21, 2012
filing date -
Mar 21, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Lost motion compensation device is a mechanical device that rigidly and pivotally connects the rest rail of an upright piano to the front end of the whippen of an upright piano to cause the two member to rotate in unison as the rest rail is rotated by depressing and releasing the soft pedal on an upright piano.
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