| 摘要 |
A replaceable, protective end cap assembly for the end of a spider arm for a rotary hammer assembly, the end cap assembly including a side plate assembly and a protective cap. The side plate assembly including a pair of side plates connected by upper and lower cross members that matingly engage the leading edge of the spider arm with the side plates covering the side wall surfaces in the impact area of the spider arm. The protective cap includes a shroud that overlies the front surface of the spider arm as well as the peripheral edges of the side plates and the side plate assembly and end caps being retained on the spider arms by the hammer shaft. |
