Panpipe having tone setting controls

Details Panpipe having tone setting controls Panpipe having tone setting controls

1987-08-17

1988-09-13

Franklin, Lawrence R.

Music

Instruments

Wind

84381, 84386, G10D 702

Patent

active

047700807

ABSTRACT:
The disclosed panpipe has adjustable plug means for closing and sealing the otherwise open tube bottoms at adjustable distances from the open tube tops, for tuning the panpipe tubes. The plug means includes a plunger seal fitted inside the tube, a manual adjustor rotatably mounted at the bottom of the tube, and threaded means connecting the plunger seal and manual adjustor together. Rotation of the manual adjustor finely shifts the axial position of the plunger seal in the tube. The plunger seal has a flexible sealing ring that can be loosened to slide freely within the tube, and that can be tightened to radially deform sealingly and mechanically against the tube inside. Means accessible via the open tube tops allow each threaded member to be manually rotated from the exterior of its tube, to tighten or loosen the associated sealing ring and set or release the plunger seal as adjusted axially relative to the tube.

REFERENCES:
patent: 500433 (1893-06-01), Schubert
patent: 2619865 (1952-12-01), Lynch
patent: 4240320 (1980-12-01), Pellerite

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