Plectrum piano action

Claim 1

IN A PLECTRUM PIANO ACTION FOR A MUSICAL INSTRUMENT HAVING A VIBRATABLE STRING, A FIXED SUPPORT, AN OPERATING MEMBER PIVOTED ON SAID SUPPORT, SAID OPERATING MEMBER HAVING A FORWARD END, A GENERALLY L-SHAPED SUPPORT ARM MOUNTED ON AND EXTENDING FORWARDLY FROM SAID FORWARD END, SAID SUPPORT ARM HAVING A DEPENDING ARM PORTION, A VERTICAL PICK FINGER, A FLEXIBLE SPRING CONNECTING THE TOP PORTION OF SAID PICK FINGER TO SAID DEPENDING ARM PORTION, A PICKER ROD SECURED TO AND DEPENDING FROM THE REAR SIDE OF SAID PICK FINGER FOR ENGAGING BENEATH AND ELEVATING THE MUSICAL INSTRUMENT STRING FOR TENSIONING THE STRING PREPARATORY TO RELEASE THEREOF FOR AUDIBLE VIBRATION, ANOTHER FIXED SUPPORT POSITIONED FORWARDLY OF THE PICK FINGER, A HOUSING MEMBER MOUNTED ON SAID LAST-NAMED FIXED SUPPORT, AN ESCAPEMENT ARM PIVOTED IN SAID HOUSING MEMBER, A FORWARDLY DIRECTED HEEL MEMBER ON THE LOWER END OF SAID PICK FINGER, SAID HEEL MEMBER HAVING A DOWNWARDLY AND FORWARDLY INCLINED CAMMING TOP SURFACE, SAID ESCAPEMENT ARM HAVING ABUTMENT MEANS EXTENDING ADJACENT AND OPERATIVELY ENGAGING AT LEAST A PORTION OF SAID CAMMING TOP SURFACE TO MOVE THE PICK FINGER REARWARDLY RESPONSIVE TO THE ELEVATION OF SAID PICK FINGER BY THE OPERATING MEMBER TO CAUSE THE PICKER ROD TO ENGAGE SAID SPRING.