Piano string coil lifting and setting apparatus

Details Piano string coil lifting and setting apparatus Piano string coil lifting and setting apparatus

2005-05-03

2005-05-03

Hsieh, Shih-yung (Department: 2837)

Music

Accessories

Tuning devices

C084S459000, C084S453000, C084S454000, C084S200000

Reexamination Certificate

active

06888056

ABSTRACT:
An apparatus (10) for lifting and setting a piano string coil (16) is provided for improving tuning stability. Preferably, the apparatus (10) includes an internal slide hammer portion (12) and a string engaging portion (14) extending from the internal slide hammer portion (12). The string engaging portion (14) is intended to engage a piano string coil (16) wrapped around a tuning pin (18) and transmit an upward or downward force from the internal slide hammer portion (12) to the piano string coil (16).

REFERENCES:
patent: 310674 (1885-01-01), Hale
patent: 550366 (1895-11-01), Felldin
patent: 680926 (1901-08-01), Klinder
patent: 820418 (1906-05-01), Hindman
patent: 921203 (1909-05-01), Conover
patent: 1232862 (1917-07-01), Severy et al.
patent: 3412638 (1968-11-01), Pease
patent: 4276805 (1981-07-01), Kaneko
patent: 5736660 (1998-04-01), Frankel

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