Keyboard musical instrument

A keyboard instrument and keyboard technology, applied to musical instruments, stringed instruments, electro-acoustic instruments, etc., can solve problems such as deterioration of sound quality, complex structure of keyboard instruments, and keyboard cover does not play a practical role, and achieve the effect of preventing falling

CN101025915AInactive Publication Date: 2007-08-29YAMAHA CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2007-08-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention provides a keyboard musical instrument, a keyboard musical instrument such as an electronic piano which does not obstruct a player's field of vision even when the keyboard is operated, and which can transmit tones emitted from a speaker to the player with good sound quality. In this keyboard instrument, the keyboard cover (20) rotates about 180° from the closed cover position shown by the solid line with the point (P) on the extension line of the flat keyboard cover plane part (20-1) as the center of rotation. Reach the opening position (A). In the state of opening the cover, the height of the keyboard cover front end (20-10) is the same as the height of the top plate not shown in the figure. Therefore, the sound emitted from the speaker provided in the top plate portion can reach the player without being blocked by the keyboard cover (20).
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Description

technical field

[0001] The present invention relates to a keyboard musical instrument such as an electronic piano, and particularly relates to the structure of the keyboard cover of these keyboard musical instruments. Background technique

[0002] A keyboard musical instrument such as an electronic piano is provided with a keyboard cover for protecting the keyboard. The keyboard cover is generally a simple open-close type cover, and the keyboard can be exposed by rotating the keyboard cover from the closed cover state by about 100° to 120°. This keyboard cover plays the effect of protecting the keyboard when the keyboard instrument is not used, but it has no special effect when playing the keyboard instrument. Therefore, in Patent Document 1, a technique of sliding the keyboard cover to accommodate it inside the casing of the keyboard instrument is proposed.

[0003] Patent Document 1: JP Registration Utility Model No. 2571343.

[0004] However, when the keyboard cover ha...

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Embodiment Construction

[0030] 1. Overall structure of the embodiment

[0031] Next, the overall structure of an electronic piano according to an embodiment of the present invention will be described with reference to FIG. 1 .

[0032] In the figure, 10 is a musical instrument main part, and is comprised in the substantially rectangular parallelepiped shape of horizontal elongation. 12 and 14 are columnar support legs protruding downward from the vicinity of both left and right ends of the front portion of the musical instrument body 10 . 16 is a horizontally elongated substantially rectangular plate-shaped central support portion protruding downward from the center of the rear portion of the musical instrument main body 10 . The musical instrument main body 10 is supported by these support legs 12 and 14 and the central support part 16. 18 is a pedal set, and protrudes forward from the lower front of the central support part 16. As shown in FIG.

[0033] 20 is a keyboard cover, and the flat part 2...