Key music instrument e.g. grand piano, has detachable cover including L-shaped cross-section, movable between opened and closed positions, and arranged and supported on leg via multiple hinge-joints

摘要

The instrument (1) has legs (2, 3), where a detachable cover (4) i.e. rear cover, is arranged on one of the legs. The cover is supported on the leg via multiple hinge-joints. The cover is movable between opened and closed positions. The leg is formed planar so that the cover is supported on a transverse or longitudinal side of the leg. The cover has an L-shaped cross-section whose edge is chamfered. The cover is arranged on the instrument so that the leg is detachable for transportation of the instrument, when the cover is detached.