| 摘要 |
<p>The hammer (10) for breaking polycrystalline silicon is provided with a handle portion (11) extending along a center axis (C) and a head portion (12) extending in a direction (L) intersecting a direction of the center axis at the leading end of the handle portion. The head portion is provided with a head main body (13) connecting with the handle portion, a striking part (15) installed at one end of the head main body via a coupling shaft portion (14), and a counter weight portion (16) installed at the other end of the head main body. The head main body, the coupling shaft portion, the striking part and the counter weight portion are formed integrally from a hard metal. A round-raised striking surface (15A) is formed at the striking part.</p> |
