| 摘要 |
PCT No. PCT/JP78/00016 Sec. 371 Date Jun. 25, 1980 Sec. 102(e) Date Jun. 25, 1980 PCT Filed Oct. 31, 1978 PCT Pub. No. WO80/01013 PCT Pub. Date May 15, 1980.The invention relates to a device for tuning a stringed musical instrument by a simplified procedure. Every time stringed instruments are to be played, all the strings, which are loosened while not in use, must usually be tuned one by one. This imposes a heavy burden on the player. The invention provides a device by which strings in an initially tuned state can be loosened all at the same time by a single action and can thereafter be restored to the previous tuned tensioned state at the same time for use. The device comprises a movable support (4) carrying string winding assemblies (5) and reciprocally movably supported by the head (10) of a stringed instrument, and a reciprocating assembly (6) for forcibly moving the support (4) to loosen the strings from a tuned state or tension the strings to the original state all at the same time. To assure greatly improved performance, the tuning device of the invention is further equipped with means for reliably holding string ends to string winding pins, an assembly for visually tuning the strings, and an assembly for holding the strings under tension. The invention can be embodied for stringed instruments having strings for producing tones, such as guitars, mandolins, contrabasses, violins, violas, cellos, etc.
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