Player piano tracker bar and method

Details Player piano tracker bar and method Player piano tracker bar and method

1986-10-07

1988-03-29

Fuller, Benjamin R.

Music

Instruments

Automatic

84159, G10F 504

Patent

active

047335920

ABSTRACT:
A tracker bar for a player piano is made of two pieces which seal together without the use of gaskets. The two pieces are made of plastic and are solvent-fused together. One of the pieces, an interface member, provides for widthwise staggering of pneumatic hose connections for a single row of passages in the other piece, a registry member. The interface member has three rows of tubes and includes channels on its front or paper side to accommodate widthwise offset between the tubes and various of the passages in the registry member, which passages register with holes in the player piano paper tape.

REFERENCES:
patent: 802079 (1905-10-01), De Kleist
patent: 890288 (1908-06-01), Maerten, Jr.
patent: 958470 (1910-05-01), Brand

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