Music – Instruments – Stringed
Patent
1987-10-07
1988-11-29
Franklin, Lawrence R.
Music
Instruments
Stringed
84299, G10D 304
Patent
active
047872853
ABSTRACT:
An anchor bolt device for a tremolo device which is constructed so that a bolt is thread-fitted to a bottomed and threaded tube which is buried to be open upwardly in a stringed instrument, said bolt being provided at its top part with a groove for securing the front edge portion of said tremolo device and at the center of the bolt in its axial direction with a through hole inside which a pushing member capable of shifting itself inside said through hole with an external operation is thread-fitted and being tightly fixed by protruding said pushing member from said through hole so that the lower end of said pushing member contacts under a pressure with the bottom of the tube after the position of the groove has been adjusted by shifting said bolt in the tube.
REFERENCES:
patent: 2972923 (1961-02-01), Fender
patent: 3971286 (1976-07-01), Borell
patent: 4433605 (1984-02-01), Matsui
patent: 4487100 (1984-12-01), Storey
Franklin Lawrence R.
Gotoh Gut Yugen Kaisha
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