Keyboard musical instrument with simplified key unit assembly

Details Keyboard musical instrument with simplified key unit assembly Keyboard musical instrument with simplified key unit assembly

1997-12-02

2000-10-17

Ro, Bentsu

Music

Instruments

General features

84433, G10C 312

Patent

active

061335177

ABSTRACT:
A keyboard musical instrument has an instrument housing and a keyboard chassis integrally formed as a single piece. The keyboard musical instrument has at least one key movably supported on the keyboard chassis, a lower limit stopper for limiting the lowest descending position of the at least one key, a key switch including a movable contact and a fixed contact provided between the at least one key and the keyboard chassis, and an upper limit stopper disposed between the at least one key and the keyboard chassis for limiting an upper-most ascending position of the at least one key. The upper limit stopper is provided on a member that is independent of the keyboard chassis.

REFERENCES:
patent: 3722351 (1973-03-01), Allen et al.
patent: 3855894 (1974-12-01), Thomas et al.
patent: 4091707 (1978-05-01), Martin et al.
patent: 4689442 (1987-08-01), Ozaki
patent: 4914999 (1990-04-01), Masubuchi et al.
patent: 5505115 (1996-04-01), Vandervoort

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