| 摘要 |
PCT No. PCT/US85/01428 Sec. 371 Date Mar. 27, 1986 Sec. 102(e) Date Mar. 27, 1986 PCT Filed Jul. 25, 1985 PCT Pub. No. WO86/01024 PCT Pub. Date Feb. 13, 1986.A nut for stringed instruments which allows unimpeded movement of the strings within the grooves of the nut for accurate and stable tuning. The nut includes grooves which are flared outwardly and downwardly in the direction of the body of the instrument beyond the support point of the string. The string is supported on rollers which are freely rotatable within the nut, and whose surface protrudes into the grooves to support the strings. The rollers may be circumferentially grooved to maintain the strings in lateral alignment on the nut, and in one embodiment of the invention, they may be of different diameters so as to maintain a constant spacing between each string and a cambered fingerboard.
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