Volume adjuster for air operated musical instruments
AssigneeComus S.p.A.
InventorPaolo Bontempi
Life of this patent
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Abstract
A volume adjuster for an air operated instrument such as an electric organ includes a shutter valve which can be slid across the delivery duct of the instrument blower by means of a slider movable in a linear guide on a flat keyboard surround so as to permit fine adjustment of the volume.
Claims4
In an air-operated musical instrument, such as an electric organ, having a main body equipped with a keyboard, a flat keyboard surround adjacent the keyboard, a reed chamber extending below and parallel to the keyboard, a blower and a delivery duct arranged to deliver air from the blower to the reed chamber, the improvement which consists of volume adjusting means comprising an elongate slider movable in a rectilinear guide in the flat keyboard surround, an elongate slider movable in said guide, and a valve member affixed to said slider and movable thereby transversely across said delivery duct between positions of minimum and maximum obstruction of air flow through the said delivery duct.
Dependencies are inferred from the claim text.