Stepless music rack and musical instrument equipped with the...

Details Stepless music rack and musical instrument equipped with the... Stepless music rack and musical instrument equipped with the...

2005-03-08

2005-03-08

Lockett, Kimberly (Department: 2837)

Music

Instruments

Stringed

Reexamination Certificate

active

06864412

ABSTRACT:
An acoustic piano is equipped with a desk board fallen down onto and raised on a desk rail, wherein a one-way clutch and releaser are provided between the desk rail and a shaft connected to the desk board so that a pianist raises the desk board and keeps it at the optimum angular position without any prop.

REFERENCES:
patent: 3887275 (1975-06-01), Heist
patent: 4463651 (1984-08-01), Hammer
patent: 4667558 (1987-05-01), Murphy
patent: 5493943 (1996-02-01), Horikawa
patent: 5575097 (1996-11-01), Chou et al.
patent: 5942702 (1999-08-01), Inoue
patent: 6107558 (2000-08-01), Cowan
patent: 6469237 (2002-10-01), Arimori
patent: 2001-12493 (2001-01-01), None
Catalog of One-Way Clutch, Tok Bearing Co., Ltd., Tokyo, Japan, Jan. 31, 1997, pp. 20-22 (catalog includes English translation).
Catalog of Over Running Clutch, Daido Precision Industries, Ltd., Copyright 2001.

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