Joints and connections – Interfitted members – Including set screw
Patent
1998-06-18
1999-04-20
Knight, Anthony
Joints and connections
Interfitted members
Including set screw
844221, B25G 302
Patent
active
058951687
ABSTRACT:
A beater holder mounting structure includes a holder base fixedly fastened to a polygonal shaft of a pedal unit of a base drum, and a retainer block hooked up with the holder base to secure the stem of a beater to the holder base, the holder base and the retainer block each have a multiple-face through hole nto which the stem of the beater is inserted and fixed by tightening up screws.
REFERENCES:
patent: 4186644 (1980-02-01), Kurosaki
patent: 5714701 (1998-02-01), Hsieh
Bochna David
HWA Shin Musical Instrument Co., Ltd.
Knight Anthony
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