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Top cover structure of keyboard musical instrument

一种键盘乐器、顶盖的技术，应用在弦乐器、仪器等方向，能够解决演奏者困难等问题

Inactive Publication Date: 2009-02-18
YAMAHA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the player (or user) finds it difficult in the operation of opening / closing the top cover, which is also troublesome.

Method used

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  • Top cover structure of keyboard musical instrument
  • Top cover structure of keyboard musical instrument
  • Top cover structure of keyboard musical instrument

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0047] figure 1 is a perspective view showing the overall structure of the grand piano according to the first embodiment of the present invention. That is, will figure 1 One of the grand pianos 10 is designed into a specified shape, and its upper part can be opened and closed freely. In particular, the grand piano 10 is constituted by a case 11 having mechanisms and the like inside, a pair of hinges 12 including a rotating shaft 12A arranged at two ends along the upper part of the case 11. Position, a first top cover (that is, the top cover rear) 13, it is pivotally supported on one end of casing 11 top by hinge 12, and its free end can be closed and opened freely on casing 13, a The second top cover (that is, the top cover front portion) 14, it is arranged on the front of the top cover rear portion 13 and near the top cover rear portion 13, a support rod 17, one end of which is rotatably supported on the casing 11 The other end (opposed to the end with the hinge 12 of the ...

no. 2 example

[0068] According to the second embodiment, satisfactory effects and desired operations similar to those of the first embodiment can be obtained. Owing to providing in the second embodiment the plate element 38 that is arranged on the top cover rear portion 13 and the top cover front portion 14, the player (or user) can easily visually recognize the opening action adjuster 37; therefore, the player It can be easily discerned whether or not the top cover rear portion 13 can be opened.

no. 3 example

[0070] The top cover structure of the third embodiment of the present invention will be described in detail with reference to FIG. 11. FIG. Wherein the opening action regulator 40 is made up of a flat element 41, and the flat element 41 is arranged on the lower surface of the top cover rear part 13 and the top cover front part 14. That is, the rear portion of the flat member 41 is fixed to the lower surface of the top cover rear portion 13 by screws, and its front end is brought into contact with the lower surface of the top cover front portion 14 . Thus, as shown in FIG. 11, the top cover front 14 is partially mounted on the flat member 41 to adjust the top cover rear 13 during the opening movement. In addition, when the top cover front part 14 is moved forward to expand the gap S, the top cover rear part 13 can be easily opened and moved. In addition, the plate element 41 is fixed at a predetermined position (or said position) in the width direction of the lower surface of ...

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PUM

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Abstract

A top cover structure of keyboard musical instrument (such as grand piano) having a pair of top cover rear and top cover fore, two top covers are arranged closing each other on a tank, and having a gap between thereof. A sliding skid is used for enlarging gap between the top cover rear and top cover fore, if necessary the top cover rear and top cover fore can move along the sliding skid, wherein only when the top cover fore is on position of the enlarged gap, the top cover rear is allowed open. Thereby, user can grasp free end of the top cover rear to open / close the top cover easily by fingers. Thus, can prevent fingers of the performer clamping in the gap when open and / or close the top cover.

Description

technical field [0001] The present invention relates to a cover structure of a keyboard musical instrument, such as a grand piano, covered with a cover (or cover) in which a player's fingers are not caught when the cover is closed. Background technique [0002] In general, grand pianos with a canopy to cover the cabinet are becoming more and more widely used, wherein folding grand pianos are designed so that the canopy is divided into two parts called the canopy rear and the canopy front. The top cover rear portion is pivotally supported on one end of the grand piano case, and can be opened and closed freely, while the top cover front portion is arranged on the front edge of the top cover rear portion and is connected to each other with hinges. When the top cover is opened, the top cover front part is folded by means of hinges mounted partly on the top cover rear part; the free end of the top cover rear part is then lifted together with the top cover front part. [0003] Ot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10C3/00G10C3/02
CPCG10C3/02
Inventor 白柳荣一古木文美
Owner YAMAHA CORP
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