发明名称 |
Tooth of ore recovery buckets |
摘要 |
The present invention relates to an improvement in tooth of ore recovery buckets which comprises a single monobloc body 10 having an extreme posterior portion 1 with its upper face provided with an oblong undercut 2 provided with a pair of throughout round orthogonal holes 3 constituting the single body 10 definer of the tooth. Intermediately the single body 10 has a structural thickening 4 that extends itself downwards according to a prismatic shape providing a wedge 5 with a fluted anterior-inferior end 6. The entire surface of the upper inclined wall 7 and the lower horizontal wall 8 of this wedge 5 incorporates fluted transversal undercuts 9 parallel and spaced between themselves.
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申请公布号 |
US5966848(A) |
申请公布日期 |
1999.10.19 |
申请号 |
US19970980751 |
申请日期 |
1997.12.01 |
申请人 |
COMPANHIA VALE DO RIO DOCE |
发明人 |
MONTEIRO, JR., CARLOS ALBERTO DE SAMPAIO;NETO, SEVERINO ALMEIDA;TORRES, MANOEL DAMAS |
分类号 |
E02F9/28;(IPC1-7):E02F9/28 |
主分类号 |
E02F9/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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