| 摘要 |
Pedal-actuated means for increasing or decreasing the pitch of individual strings, from their predetermined, tuned pitch, in a guitar or the like of the type having one or more necks. Each string of each neck is attached at its head end to an ordinary tuning machine and at its tail end to a tuning member pivotable from a normal position to a pitch increasing position or a pitch decreasing position. Each tuning member may have operatively connected thereto a first pull rod for moving the tuning member to its pitch increasing position and a second pull rod for moving the tuning member to its pitch decreasing position. The guitar or like instrument has a plurality of pedals, each capable of alternatively actuating a rocking assembly for each neck of the instrument. Each pull rod associated with each string of a neck may be attached to any one or ones of the rocking assemblies for that neck, so that each pedal may raise the pitch of certain desired strings and lower the pitch of other desired strings in any combination for each neck.
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