Drumhead tightening device, support device for drum...

Music – Instruments – Drums

Reexamination Certificate

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Reexamination Certificate

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07825318

ABSTRACT:
Drumhead tightening devices include lugs secured to a shell of a drum, lug bolts screwed to the lugs, hooks, which are engaged with a hoop fitted to an open end of the shell, and retaining members for retaining the position of the hooks with respect to the lug bolts. Each retaining member is mounted on one of the lug bolts in a state where the associated hook is arranged between a head portion of the lug bolt and the retaining member.

REFERENCES:
patent: 1853466 (1932-04-01), Sigler
patent: 3533324 (1970-10-01), Price
patent: 4583442 (1986-04-01), Minor
patent: 4693163 (1987-09-01), Hsieh
patent: 5309811 (1994-05-01), Hoshino
patent: 5561255 (1996-10-01), Sassmannshausen et al.
patent: 6107555 (2000-08-01), Hoshino
patent: 7307204 (2007-12-01), Ito
patent: 55-77287 (1980-05-01), None
patent: 59-1260 (1984-01-01), None
patent: 60-90497 (1985-06-01), None
patent: 5-127669 (1993-05-01), None
patent: 7-77214 (1995-03-01), None
patent: 7-508602 (1995-09-01), None
patent: 11-161265 (1999-06-01), None
patent: 2002-156965 (2002-05-01), None
patent: 2006-58849 (2006-03-01), None
patent: 2004-151701 (2007-05-01), None
Japanese Office Action, dated May 11, 2010, issued in corresponding Japanese Patent Application No. 2008-126105, total 2 pages.

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