Piano action with articulated jack
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 15, 2001
Issued Date -
N/A
app pub date -
Jun 1, 2000
filing date -
Jun 1, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A piano keyboard apparatus has an action assembly that includes a four bar linkage having four pivotably connected bars including a whippen pivotably connected to a repetition lever. An articulated jack has a lower link pivotably connected to an upper link and the lower link is pivotably connected to the whippen.
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