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US5936174A Expired / Lapsed US ⏱️ 0.0 years remaining

Cymbal fixation device

Assignee: Hwa Shin Musical Instrument Co Ltd
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Filing: 1998-03-26
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Granted: 1999-08-10
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Expires: 2018-03-26
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Abstract

Abstract A cymbal fixation device includes a wing nut threaded onto a threaded stem on a cymbal stand to fix a cymbal in place, a holding down block mounted in a chamber in the wing nut, a split locating pin inserted into a pin hole on the wing nut and a pin hole on the holding down block to hold the holding block in place, and a tightening up screw threaded into an oblique screw hole on the wing nut and stopped against a beveled bottom edge of the holding down block to force the holding down block into engagement with the threaded stem.

Inventors

  • 👤 Tsun-Chi Liao

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 18:31
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/01; G10D13/06; G10D13/10; G10D13/28

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 233 words
A cymbal fixation device comprising wing nut having an axial center screw hole for threading onto a threaded stem on a cymbal stand, wherein said wing nut comprises a projecting block at one side, an upwardly extended holding down block chamber defined within said projecting block in communication with said axial center screw hole at one side, an oblique screw hole obliquely downwardly extended from said holding down block chamber to a bottom side wall of said projecting block, and a transverse pin hole perpendicularly extended from said holding down block chamber to an outer side wall of said projecting block; a holding down block is mounted in said holding down block chamber, said holding down block having a transverse pin hole aligned with the transverse pin hole on said wing nut, a beveled bottom edge, and a smoothly arched, longitudinally extended locating groove at one side forced into engagement with said threaded stem; a split locating pin is inserted into the pin hole on said wing nut and the pin hole on said holding down block to secure said holding down block in said holding down chamber; a tightening up screw is threaded into said oblique screw hole on said wing nut and stopped against the beveled bottom edge of said holding down block to force the longitudinally extended locating groove of said holding down block into engagement with said threaded stem.
Claim 2
Dependent Claim 233 words
A cymbal fixation device comprising wing nut having an axial center screw hole for threading onto a threaded stem on a cymbal stand, wherein said wing nut comprises a projecting block at one side, an upwardly extended holding down block chamber defined within said projecting block in communication with said axial center screw hole at one side, an oblique screw hole obliquely downwardly extended from said holding down block chamber to a bottom side wall of said projecting block, and a transverse pin hole perpendicularly extended from said holding down block chamber to an outer side wall of said projecting block; a holding down block is mounted in said holding down block chamber, said holding down block having a transverse pin hole aligned with the transverse pin hole on said wing nut, a beveled bottom edge, and a smoothly arched, longitudinally extended locating groove at one side forced into engagement with said threaded stem; a split locating pin is inserted into the pin hole on said wing nut and the pin hole on said holding down block to secure said holding down block in said holding down chamber; a tightening up screw is threaded into said oblique screw hole on said wing nut and stopped against the beveled bottom edge of said holding down block to force the longitudinally extended locating groove of said holding down block into engagement with said threaded stem.

References Cited (Backward Citations)

US4898061A Cited
US5367939A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2002-08-09 2003-02-08 2003-08-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2006-08-09 2007-02-08 2007-08-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2010-08-09 2011-02-08 2011-08-10 $7700.00 Window Closed / Lapsed

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