| 摘要 |
PURPOSE: A hammering device is provided to easily control hitting power of a hammer using an adjusting ring, and to prevent neighboring components from being damaged by shock. CONSTITUTION: A hammering device is composed of a coupler(10) and a hammer(20). The coupler is transferred to the front and rear with a rod, and is opened and closed by a fixing piece(14). The rod is installed in one end of a base plate(1). The hammer is installed in the other end of the base plate with a spring(24). The tension of the spring is controlled by an adjusting ring(24a) installed in the hammer or the base plate.
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