Music – Instruments – Drum and cymbal beaters
Reexamination Certificate
2000-05-16
2001-06-26
Hsieh, Shih-Yung (Department: 2837)
Music
Instruments
Drum and cymbal beaters
C084S422200, C084S422300
Reexamination Certificate
active
06252151
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates generally to clamp assembly, more particularly, it relates to an adjustable clamp assembly, which can be adjusted easily according to personal custom, for fixing a pedal deck to a drum counterhoop.
It is disputable that music is one of indispensable mental foods in daily life nowadays, wherein a bass drum plays an important role for providing distinct rhythm of the music.
The bass drum is usually percussed by a beater driven by an automatic restorable pedal. In a conventional pedal structure, one end of the pedal is pivotally fixed at a pedal deck, and the other end linked with a beater is left open, wherein a clamp mechanism is arranged at the front end of the pedal deck for clamping the latter at a drum counterhoop (shown in FIG.
1
). When a user is beating the drum head, the drum head will quake the clamping mechanism to get loosened gradually, or, in the case when adjustment of the clamp mechanism is desired, the user has to stoop and poke his hand into the limited space under the pedal for adjusting an adjustment bolt that makes him risk an accidental injury to his finger because of momentary carelessness.
In view of abovesaid defects, this invention is proposed to build a clamp mechanism on a clamping seat, including a stationary seat, an upper jaw, and an adjustment stud for adjusting intimacy between a pedal deck and a drum counterhoop without risking any accidental injury to a user's hand or fingers.
SUMMARY OF THE INVENTION
The primary object of this invention is to provide an adjustable clamp assembly for fixing a pedal deck to a drum counterhoop, which, the clamp assembly, can be adjusted easily for controlling intimacy between the pedal deck and the drum counterhoop.
In order to realize abovesaid object, the clamp assembly comprises a clamping seat disposed at a front end of a pedal deck; a clamping mechanism arranged on the clamping seat; the clamping mechanism composed of a stationary seat, an upper jaw, and an adjustment stud; the stationary seat being fixed on the clamping seat by locking a first transom and the upper jaw with bolts; a tapped through hole formed in ceter of the first transom for pivotally fixing the adjustment stud; a second transom having a through hole being locked at center position of the upper jaw; a clamping portion disposed on a bottom face at a front end of the upper tail; a tail end of the upper jaw being pivotally fixed in the stationary seat; one end of the adjustment stud being wing-shaped; a pivotally fixing portion with a relative shorter diameter being disposed at a position adjacent to a tail end of the adjustment stud; a nut being pivotally fixed at a tail end of the pivotally fixing portion, and the adjustment stud being penetrating through the first and the second transom.
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: 886471 (1908-05-01), Britton
patent: 2784635 (1957-03-01), Troppe
patent: 5185489 (1993-02-01), Hoshino
Bacon & Thomas PLLC
Hsieh Shih-yung
LandOfFree
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