| 摘要 |
A mounting system for a digging tooth of an excavator bucket has an adaptor nose with upper and lower bearing surfaces tapering convergently towards a free end thereof. A digging tooth having a convergently tapering socket locates on said adaptor nose with a screw-threaded connector extending, in a direction parallel to a longitudinal axis of said tooth, between a connector abutment on the adaptor nose and a tooth coupling on the tooth.
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