Music – Instruments – Drums
Reexamination Certificate
2000-10-13
2001-07-31
Hsieh, Shih-Yung (Department: 2837)
Music
Instruments
Drums
C084S327000, C084S422300, C248S291100, C248S299100, C248S187100
Reexamination Certificate
active
06268556
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates generally to cymbal stands, more particularly to a stepless cymbal adjuster for adjustment of a cymbal's angle to meet a user's personal conditions and requirements.
As illustrated in an elevational view and an exploded view of a conventional cymbal stand shown in
FIGS. 1 and 2
, an angular adjuster disposed on the top end of the cymbal stand mainly comprises a first and a second socket, wherein a lateral face of the first socket is recessed to have a ratchet ring circularly disposed therein; a link rod is arranged at a lateral face and an external thread segment is formed on a top section of the first socket; a positioning component and two cotton washers for clamping a cymbal are sequentially disposed on the link rod from the bottom to the top; the thread segment is provided with a tapped revolving nut; a plurality of ratchet pieces is protrusively formed in a lateral inner face of the second socket for engaging the ratchet ring of the first socket with the ratchet pieces of the second socket; a locking member is used to penetrate those two sockets axially; and a compressible spring is interpolated between those two sockets.
By taking advantage of those two sockets, position and angle of a cymbal on a cymbal stand can be adjusted to meet a user's personal requirements. However, as a stepless adjustment can not be achieved in adjusting mesh between the ratchet pieces and the ratchet ring, deviation is inevitably resulted to wear the angular adjuster and deteriorate its operativity.
SUMMARY OF THE INVENTION
The primary object of this invention is to provide a stepless cymbal adjuster having a plurality of rubbing pieces embedded in storage rooms enclosed by a main body, an adjustment block, and a lateral cover for adjusting cymbal angle to meet a user's personal conditions or requirements.
Another object of this invention is to provide a stepless cymbal adjuster having a pivotally fixing stud penetrated through protruding ears for securing a lateral cover to a main body.
In order to realize abovesaid objects, the stepless cymbal adjuster of this invention comprises:
a main body composed of: a lateral board; a central tube protrusively located on the lateral board; a plurality of storage rooms annularly aligned surrounding the central tube; and two pieces of protruding ear located adjacently to the storage rooms;
an adjustment block containing: a concave storage room formed in each of two lateral faces respectively; a centered through hole; and an upwardly extended stud located on the top end of the adjustment block;
a lateral cover provided with: a through hole protrusively formed in center position; a plurality of storage rooms annularly aligned surrounding the through hole; and a protruding ear at a position corresponding to an enclosed small space between the protruding ears;
a plurality of rubbing pieces fitted in the storage rooms to provide frictional resistant force when the main body, the adjustment block, and the lateral cover start to rotate interactively;
an adjustment stud used to penetrate the central tube and the through holes to have the main body, the adjustment block, and the lateral cover pivotally jointed to an identical axle and regulate the angle of the adjustment block; and
a pivotally fixing stud used to penetrate the protruding ears for fixedly jointing the lateral cover to the main body.
After the stepless cymbal adjuster of this invention has been assembled on a cymbal stand in due course, the cymbal angle can be adjusted by taking advantage of the rubbing pieces embedded in the concave storage rooms of the adjustment block to meet a user's personal conditions and requirements, and when doing so, the hinged protruding ears ensure a reliable joint of the lateral cover and the main body.
For more detailed information regarding this invention together with further advantages or features thereof, at least an example of preferred embodiment will be elucidated below with reference to the annexed drawings.
REFERENCES:
patent: 5756912 (1998-05-01), Liao
patent: 5836561 (1998-11-01), Liao
patent: 6162978 (2000-12-01), Chang
patent: 05199922 (1993-08-01), None
Bacon & Thomas PLLC
Hsieh Shih-yung
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