| 摘要 |
A wear assembly comprises a boss adapted to be fixed to a lip of an excavator wherein the lip has an inner face, an outer face and a front edge face, the boss including a front part extending generally along the front edge face and including an opening, and a body extending rearwardly from the front part along one of the inner and outer faces of the lip and including a hole, the opening and the hole being aligned to define a passage, the passage including a first bearing surface facing in a generally rearward direction; a wear member received over the boss and including an aperture generally aligned with the passage, and a second bearing surface associated with the aperture and facing in a generally forward direction; and a lock received in the aperture and the passage to be in opposition to the first and second bearing surfaces to hold the wear member to the boss. |
