Double touch key for musical instruments

Claim 1

A KEY CONSTRUCTION FOR MUSICAL INSTRUMENTS, TO PROVIDE MORE THAN ONE TOUCH, COMPRISING; (A) A KEY SUPPORT FRAME, (B) AT LEAST ONE KEY PIVOTALLY SUPPORTED ON THE FRAME, (C) MEANS BIASING THE KEY TO AN UPPER NORMALLY INACTIVATED POSITION, (D) AT LEAST TWO SEPARATELY ACTUATED MEANS OPERABLE BY SAID KEY ON MOVEMENT ABOUT ITS PIVOT AT SEPARATE POSITIONS IN ITS TRAVEL FROM THE NORMALLY INACTIVATED POSITION, (E) A MOVABLE STOP IN THE PATH OF MOVEMENT OF THE KEY, THE MOVABLE STOP INCLUDING A STOP HEAD ATTACHED TO A MOVABLE ROD, A DOUBLE ARMED BRACKET MOUNTING THE MOVABLE ROD, A LOWER STOP COLLAR RIGIDLY SET ON THE ROD BETWEEN THE ARMS OF THE BRACKET, AND A SPRING BETWEEN THE COLLAR AND A BRACKET ARM NORMALLY HOLDING THE STOP IN A NORMAL STOPPING POSITION AND ALLOWING THE STOP TO BE FORCED DOWNWARDLY TO ANOTHER STOPPING POSITION DETERMINED BY THE STOP HEAD CONTACTING THE BRACKET ARM, (F) THE POSITIONS OF THE MOVABLE STOP BEING OPERATIVELY RELATED TO THE POSITIONS OF THE KEY TO OPERATE THE SEPARATELY ACTUATED MEANS, (G) AND AN UPPER STOP FOR SILENTLY STOPPING UPWARD MOVEMENT OF THE KEY AT ITS NORMALLY INACTIVATED POSITION, THE UPPER STOP INCLUDING A STATIONARY PLASTIC MEMBER HAVING A RESILIENT DEPENDING FINGER TO FIRST CONTACT A RETURNING KEY AND SILENTLY ABSORB THE INITIAL IMPACT OF STOPPING.