Music – Instruments – Drum and cymbal beaters
Patent
1993-10-15
1994-11-22
Gellner, Michael L.
Music
Instruments
Drum and cymbal beaters
G10D 1302
Patent
active
053658248
ABSTRACT:
A drum beater pedal having a support which supports a pivotable beater shaft. A beater on the shaft swingable toward and away from a drum head as the shaft is rotated. A pedal connected with the beater shaft for rotating the beater shaft to swing the beater. A cam on and rotatable with the shaft. A spring hanger supported on the cam by a bearing which permits free rotation of the spring hanger with respect to the cam. A spring extending from the spring hanger to a spring tension adjustment screw. An installation part secured to the support. The adjustment screw extending through a hole in the installation part and the screw and the hole being profiled so that the screw is prevented from rotating with respect to the installation part. An adjustment screw height adjustment nut below the installation part. An adjustment nut rotation blocking protuberant part projecting into a window in the installation part. A lock nut above the installation part tightenable on the screw against the installation part for drawing the protuberant part of the adjustment nut to the installation part and locking the adjustment nut from rotating, whereby the spring tension is not undesirably adjusted due to either adjustment screw rotation or adjustment nut rotation.
REFERENCES:
patent: 3426640 (1969-02-01), Slingerland, Jr.
patent: 4262576 (1981-04-01), Gorsky et al.
patent: 4756224 (1988-07-01), Lombardi
patent: 4890532 (1990-01-01), Carlson
Gellner Michael L.
Hoshino Gakki Co. Ltd.
Spyrou Cassandra C.
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