| 摘要 |
A COUPLING ASSEMBLY (60) TO CONNECT RESPECTIVE SEGMENTS OF A TUBULAR SHAFT (101) OF A SCREW PILE ANCHOR (100) TOGETHER,HAS A FEMALE COUPLING MEMBER (70) AND A MALE COUPLING MEMBER (80). THE DISTAL END (82) OF THE MALE COUPLING MEMBER (80) ENGAGES AN ABUTMENT SEAT (72) IN THE FEMALE COUPLING MEMBER (70), AND FORMATIONS (81) ON THE MALE COUPLING MEMBER (80) HAVE ENGAGEMENT FACES (83, 84) COMPLEMENTARY WITH FIRST AND SECOND WALL PORTIONS (73, 74) ON THE FEMALE COUPLING MEMBER (70) TO PROVIDE DRIVING ENGAGEMENT BETWEEN THE FEMALE AND MALE COUPLING MEMBERS (70, 80). A POINT ATTACK BIT (40) FOR THE SCREW PILE ANCHOR (100) IS FORMED AT THE END OF THE TUBULAR SHAFT (101), TO PROVIDE A SUBSTANTIALLY DIAMETRICAL FORMATION (41) WITH A HEAT-TREATED TOOTH OR RIB (42). (FIG. 3)
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