| 摘要 |
A clamping mechanism of a pedal for firmly attaching the pedal to a counterhoop of a bass drum consists of a frame defining a counterhoop receiving seat and a pair of upright walls, a clamping plate pivotally mounted on the upright walls, a clamping force generating means mounted on a rear end of the pressing plate, a clamping block defining a protruding ridge on its top face and movably mounted a bottom of a front portion of the pressing plate.
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