Vorsetzer apparatus

Details Vorsetzer apparatus Vorsetzer apparatus

G - Physics

10

C

84/1.1

G10C 3/26 (2006.01) G10F 1/02 (2006.01) G10F 3/00 (2006.01)

Patent

CA 1122822

VORSETZER APPARATUS ABSTRACT OF THE DISCLOSURE Pedal actuator and connection assemblies?for electronic vorsetzer player piano units incorporating universal connection members between the electronic assemblies and foot pedals for con- verting a conventional piano to an electronic player piano are dis- closed, The connection assemblies include a linkage having at the lower end a foot member, one for each foot pedal, which are adapt- ed to transmit actuating forces from the player piano unit down- wardly and on the rear portion of the pedal member pivoting the foot member in a second universal joint to cause an upward bias force on a lower pedal-engaging surface to thereby engage the lower side of the pedal therewith and thereby permit upward and downward movement of the foot without it slipping off the pedal. A spring biases the linkage to just offset the conventional piano pedal spring and a dashpot having a fluid constricting passage dampens the solenoids' action, these elements coacting to avoid the tromp- ed down effect due to solenoid actuation. At the same time, since there is no positive securement of the connection assembly to the foot pedal, the vorsetzer may be easily and quickly positioned on the piano for converting a standard piano to an electronic player piano.

331931

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