Abstract: In a connection type foot pedal of a dual type drum pedal, for example, a first base plate (101) on which a foot pedal (100) for a bass drum serving as a foot pedal for a left foot of a player has been mounted and a second base plate (201) of which a foot pedal (200) for hi-hat cymbals has been mounted are connected and fixed to each other by a connecting tool comprising hinges (120) and (220) and a fixing tool constituted with a first fixing portion (130), a second fixing portion (230) and a fixing screw (250). The foot pedal (200) for hi-hat cymbals is made rotatable within a horizontal plane and the angle thereof is made adjustable to the foot pedal (100) for a bass drum. Accordingly, a connection type foot pedal is provided where a foot pedal for hi-hat cymbals and a foot pedal for a bass drum with a simple constitution.

Abstract: A storage case that stores a disk, such as a compact disk, in a medium storage section of the body thereof includes a storage state determining section that allows the presence or absence of the disk to be identified by the sense of touch from the outside. The storage state determining section is formed by providing the storage case with a movable section such that a projection piece rises or sets through a window section provided on a side surface of the storage case body in accordance with the presence or absence of the disk within the storage case body.

Abstract: In a connection type foot pedal of a dual type drum pedal, for example, a first base plate (101) on which a foot pedal (100) for a bass drum serving as a foot pedal for a left foot of a player has been mounted and a second base plate (201) of which a foot pedal (200) for hi-hat cymbals has been mounted are connected and fixed to each other by a connecting tool comprising hinges (120) and (220) and a fixing tool constituted with a first fixing portion (130), a second fixing portion (230) and a fixing screw (250). The foot pedal (200) for hi-hat cymbals is made rotatable within a horizontal plane and the angle thereof is made adjustable to the foot pedal (100) for a bass drum. Accordingly, a connection type foot pedal is provided where a foot pedal for hi-hat cymbals and a foot pedal for a bass drum with a simple constitution.