Repetition action mechanism for an upright piano
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 18, 2010
Grant Date -
May 7, 2009
app pub date -
Sep 14, 2005
filing date -
Sep 14, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved device for providing the magic touch effect during a double repetition in an upright piano wherein the device comprises a plurality of keys swingably mounted on a keyboard frame and supporting a suitably inclined slanted drive element, which can be screw adjusted and is intercoupled to a slanted swinging arm that operates as a control lever that is pivoted to an abruptly clockwise downstream slanted main bridge having an escapement lever coupled to a butt roller of a hammer, pivoted to a first pillar element, that supports adjusting buttons for adjusting a first and second escapements. The main bridge assembly is coupled to a second pillar element, that is pivoted to the lever of the second escapement.
First Claim
Other Claims data not available
