Guitar with adjustable tremolo

Claim 1

A guitar, comprising: a body: a neck, extending from the body; a nut on the distal end of the neck; a plurality of strings, attached to the distal end of the neck and stretched over the nut; a plurality of tremolo bases, each tremolo base being attached to one of the strings and mounted on the body of the guitar to pivot about an axis perpendicular to the strings; a plurality of tremolo keys, each tremolo key being attached to one of the tremolo bases for pivoting the tremolo base to modulate the pitch of the associated string; a plurality of tremolo blocks, each tremolo block extending from one of the tremolo bases into a cavity in the body of the guitar; a plurality of springs, each spring being attached between one of the tremolo blocks and the body of the guitar for returning the tremolo base to a neutral position when the associated tremolo key is released; an actuator rod, mounted for movement between a first position, in which the actuator rod allows the tremolo keys to operate independently, and a second position, in which the actuator rod locks the tremolo bases together; an activation lever mounted for movement between a first position and a second position; and a cam mounted on the activation lever in contact with the actuator rod to move the actuator rod between the first and second positions of the actuator rod as the activation lever is moved between the first and second positions of the activation lever.