Actuating device easily assembled and keyboard musical instrument equipped therewith
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 22, 2003
Grant Date -
Dec 6, 2001
app pub date -
May 31, 2001
filing date -
Jun 1, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An automatic player piano is equipped with a key actuating device for moving keys without fingering, and the key actuating device has a retainer embedded in the key bed for adapting plungers of solenoid-operated key actuators to the keys, respectively, wherein the retainer is formed with guide grooves defined between wall portions for permitting sliding portions of the yokes incorporated in the solenoid-operated key actuators therealong, and a worker simply presses the yoke against the wall portions by means of bolts so as to locate the plungers immediately under the associated keys.
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