| 摘要 |
Apparatus, such as a stringed musical instrument, is provided with intonation modules that include a novel fine-tuning invention that eliminates modifying strings required of prior art comprising an improved clamping element, a hollow tube element forming a tailpiece at one end furthest the second critical point and a novel adaptor plate element connected to a base plate. Clamping the sting renders the string substantially inextensible between the clamping point and the tailpiece formed at the end of the hollow. Threading the string through the hollow tube portion delivers the string over the second critical point effortlessly. The hollow portion of the string holder element is threadedly engaged with an adjustment knob and makes bearing contact with adaptor plate for fine-tuning. The adaptor plate can be added to a unitary component forming the base plate and can provide other functions. Reverse threaded screws intonation module attachment screws are provided to complete a comprehensive base plate/intonation module format that integrates to a common standard all elements of the two otherwise disparate two primary vintage fulcrum tremolo designs except for riser post spacing. An improved ball bearing arrangement is also disclosed.
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