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US4967634A Expired / Lapsed US ⏱️ 0.0 years remaining

Marching drum and snare mechanism

Assignee: Individual
•
Filing: 1989-08-02
•
Granted: 1990-11-06
•
Expires: 2009-08-02
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Abstract

Abstract A drum having a top head ring, a top head across the top head ring, a tensioning ring above the top head ring and having a downwardly directed annular flange inward of the top head ring and contacting the top head, and tensioning bolts for adjustable positioning of the tensioning ring with respect to the top head ring is disclosed. There is also a bottom head ring, a bottom head across the bottom head ring, a shell beween the top head and the bottom head, and tensioning rods for pulling the bottom head ring towards the tensioning ring to thereby tension the bottom head across the bottom edge of the shell, and at least one snare mechanism positionable under each head, the snare mechanism including snare wires positionable from edge to edge of the heads.

Inventors

  • 👤 Christopher J. Whynott

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 08:48
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/10; G10D13/18; G10D13/01; G10D13/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 126 words
A drum, comprising: a top head ring; a top head across said top head ring; a tensioning ring above said top head ring and having a downwardly directed annular flange inward of said top head ring and contacting said top head; means for adjustable positioning of said tensioning ring with respect to said top head ring; a bottom head ring; a bottom head across said bottom head ring; a shell between said top head and said bottom head; means for pulling said bottom head ring towards said tensioning ring to thereby tension said bottom head across the bottom edge of said shell; and at least one snare mechanism positionable under each head, said snare mechanism including snare wires positionable from edge to edge of said heads.
Claim 2
Dependent Claim 126 words
A drum, comprising: a top head ring; a top head across said top head ring; a tensioning ring above said top head ring and having a downwardly directed annular flange inward of said top head ring and contacting said top head; means for adjustable positioning of said tensioning ring with respect to said top head ring; a bottom head ring; a bottom head across said bottom head ring; a shell between said top head and said bottom head; means for pulling said bottom head ring towards said tensioning ring to thereby tension said bottom head across the bottom edge of said shell; and at least one snare mechanism positionable under each head, said snare mechanism including snare wires positionable from edge to edge of said heads.

References Cited (Backward Citations)

US382045A Cited
US389594A Cited
US614694A Cited
US899488A Cited
US2024937A Cited
US4356756A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-11-05 1994-05-07 1994-11-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-11-05 1998-05-07 1998-11-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-11-05 2002-05-07 2002-11-06 $7700.00 Window Closed / Lapsed

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