| 摘要 |
A peripheral crushing element is held in a dovetailed groove of a rotor by a prismatic wedge member which is interposed between one face of the crushing element and the tapering wall of the groove. The wedge member extends the length of the crushing element and has opposite walls in abutting engagement with the crushing element face and the groove wall, respectively. A key locks the wedge member to the crushing element into a unit for joint movement in an outward direction.
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