Keyboard apparatus and method of producing the keyboard...

Details Keyboard apparatus and method of producing the keyboard... Keyboard apparatus and method of producing the keyboard...

2007-11-20

2007-11-20

Lockett, Kimberly (Department: 2837)

Music

Instruments

General features

Reexamination Certificate

active

11489294

ABSTRACT:
A keyboard apparatus having mass bodies that pivotally move in accordance with a key operation that facilitates key attachment operations. In a key unit, a plurality of keys having driving parts are integrally connected by a common base end part in a condition in which the keys are pivotally movable. A plurality of mass bodies have driven parts disposed in correspondence to the driving parts of the keys, respectively, and are disposed in a pivotally movable condition with respect to a key frame having a securing part. In an assembled state in which the common base end part is secured to the securing part and the driving parts are engaged with the corresponding driven parts, respectively, in response to a pivotal movement of each of the keys, the corresponding driven parts are driven by the driving parts, respectively, so that the corresponding mass bodies pivotally move. By moving the key unit in a longitudinal direction of the keys in a state in which the mass bodies are disposed in the key frame, the driving parts of all of the keys of the key unit simultaneously engage with the corresponding driven parts, respectively, and when the driving parts are simultaneously engaged with the driven parts, the common base end part is positioned at a position in which the common base end part can be secured to the securing part.

REFERENCES:
patent: 4205583 (1980-06-01), Absmann
patent: 4308783 (1982-01-01), Absmann
patent: 4901614 (1990-02-01), Kumano et al.
patent: 6156963 (2000-12-01), Masubuchi et al.
patent: 60-052439 (1985-03-01), None
patent: 10-240228 (1998-09-01), None
patent: 3060938 (2000-04-01), None

Affiliated with

Also associated with

Rating

Keyboard apparatus and method of producing the keyboard... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Keyboard apparatus and method of producing the keyboard..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Keyboard apparatus and method of producing the keyboard... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3881508