Music – Instruments – Drums
Patent
1992-12-03
1994-07-26
Gellner, Michael L.
Music
Instruments
Drums
248122, 248185, G10D 1302
Patent
active
053318781
ABSTRACT:
In construction of a connecting unit of a stand for percussion musical instruments such as snare drums, a clutch base at one end of the first supporting element is coupled, via cylindrical projection/circular bore engagements, to a clutch arm at one end of the second supporting element, an arm base is coupled, via square projection/square depression engagement, to the clutch base while sandwiching the clutch arm, and the three elements are fastened together in the direction of their combination. The cylindrical projection/circular bore engagement allows free combination of the two supporting elements at any selected cross angle whereas the square projection/square depression engagement assures long maintenance of the combination despite frequent application of vibrations.
REFERENCES:
patent: 4047684 (1977-08-01), Kobayashi
patent: 4141272 (1979-02-01), Yanagisawa
patent: 4363561 (1982-12-01), Hsieh
Gellner Michael L.
Stanzione P. J.
Yamaha Corporation
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