Pickup saddles for stringed instruments utilizing interference fit
In several embodiments of the invention, a pickup saddle for a stringed instrument includes a U-shaped top cap having two legs, each leg including a receiving portion configured to mate with a mating portion of a base, a base fitted to the interior of the top cap, where two surfaces of the base include a mating portion matching with and affixed to a receiving portion of the top cap, a piezoelectric transducer placed between the top cap and the base and electrically connected to the base, a positive wire connected to the piezoelectric transducer, and a ground wire connected to the base.
1. A pickup saddle for a stringed instrument, comprising:
a U-shaped top cap having a string resting surface configured for a string to rest on it and two legs, each leg including a receiving portion;
a base fitted to the interior of the top cap, where two surfaces of the base include a mating portion matching with and affixed to a receiving portion of the top cap, each receiving portion and mating portion matching and configured to mate with each other;
a piezoelectric transducer with an upper surface mechanically and electrically connected to the top cap and with a lower surface not directly in contact with the top cap and the base;
a positive wire connected to the lower surface of the piezoelectric transducer; and
a ground wire connected to the base.
2. The pickup saddle of claim 1 , wherein the receiving portion of each leg of the top cap includes a receiving cavity for an interference fit and where each mating portion of the base includes a protrusion for an interference fit formed to fit a corresponding receiving cavity on the top cap.
3. The pickup saddle of claim 2 , wherein the interference fits are dovetail joints.
4. The pickup saddle of claim 3 , wherein the dovetail joint is tapered toward the top of the pickup saddle.
5. The pickup saddle of claim 1 , further comprising a bridge that includes the pickup saddle as a pickup saddle insert and at least one other pickup saddle insert within the bridge, where each saddle insert includes a corresponding intonation adjustment screw.
6. The pickup saddle of claim 1 , wherein the bottom surface of the base is convex shaped front-to-back.
7. The pickup saddle of claim 1 , further comprising at least one additional top cap attached to the base and a piezoelectric transducer under each additional top cap.
8. The pickup saddle of claim 1 , wherein the ground wire is connected to the base by solder.
9. The pickup saddle of claim 1 , wherein the piezoelectric transducer is affixed to the underside of the top cap and connected to a positive wire facing downward from the top cap.
10. The pickup saddle of claim 9 , wherein the positive wire passes through a hole in the base and exits the underside of the base.