| 摘要 |
A pair of cutting edge members are adapted to be fastened to a blade-like support member of an earth moving machine. The pair includes a female cutting edge member (A) and a male cutting edge member (B), each member having ground-engaging edges at opposite ends thereof. The female cutting edge member (A) has, in at least one of its opposite side edges (17, 18), female interlocking means (19) for engagement by complementary means (23) on the male cutting edge member (B). The female and male interlocking means (A, B) are so arranged that one cutting edge member may be adjusted linearly in position on the support member of the earth moving machine relative to the adjacent cutting edge member. Moreover, a cutting edge member can be reversed in position end-for-end and interlocked again with an adjacent cutting edge member.
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