| 摘要 |
The invention concerns keys for a recorder and wind instruments provided with a partially pierced closure plate with a specific clip system. It concerns the type of keys, fixed by a screw or a specific clip system, provided with a partially closing plate pierced with a hole for a recorder in one or several parts, in C, F or any other tonality, and for a wind or air passage instrument, to facilitate playing certain notes. The system consists of a plate lined with a pad (H), and pierced with a single hole in the diameter and in the axis of the modifying hole for C clef, C sharp and D, D sharp clef (or F, F sharp clef or G clef, G sharp for the recorder in F) and one third of a hole in the axis of the upper third of the octave hole (D) for the octave key. The key provided with an arm, a stop (K), a spring stem (P), is mounted in a slightly raised position relative to the hole of the instrument body on a standard fixing system by screw or a fast fixing system by clip with a groove and fixed axis of rotation, and is lowered by simply pressing the finger on the plate hole and/or the solid part thereof depending on the desired note. The invention is particularly designed for a recorder for learning or concert performance.
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