| 摘要 |
A lip of an excavating bucket having an interior scoop structure and an exterior surface comprises a front member having an inner face adapted to form a part of the interior scoop structure of the bucket, an outer face adapted to form a part of the exterior of the bucket, and a front edge face extending across the front of the front member and interconnecting the inner and outer faces; and a boss fixed to the front member and including a front part extending generally along the front edge face, and a body extending rearwardly from the front part along one of the inner and outer faces of the front member, the body defining a hole forward of the front edge face to receive a lock to secure a wear member to the boss. |
