Damper lever for grand piano

Details Damper lever for grand piano Damper lever for grand piano

1997-10-30

1999-08-03

Donels, Jeffrey W.

Music

Instruments

Stringed

G10C 300

Patent

active

059328207

ABSTRACT:
A damper lever for a grand piano is provided for realizing a significantly cost reduction, a higher dimensional accuracy at a fabricating stage and a higher weathering resistance, and for permitting lead pieces to be stably fixed in a lever body without causing fracture or deformation of the lever body. The damper lever for a grand piano is composed of a lever body formed of a molded plastic material, and having a fitting recess formed on one side surface thereof and an inserting hole extending from the fitting recess and open to the other side surface of the lever body, and a plurality of lead pieces each having a head and a shaft extending from the head. Each lead piece has its head inserted into the inserting hole of the lever body and the head fitted in the fitting recess of the lever body, and a top end of the shaft is caulked to fix each lead piece in the lever body.

REFERENCES:
patent: 3583271 (1971-06-01), Corwin et al.

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