发明名称 |
ASSEMBLY FOR USE IN A TONG, A BELT HOLDER AND A BELT ANCHOR ASSEMBLY PROVIDED WITH SUCH A BELT HOLDER |
摘要 |
ASSEMBLY FOR USE IN A TONG, A BELT HOLDER AND A BELT ANCHOR ASSEMBLY PROVIDED WITH SUCH A BELT HOLDER An assembly for use in a tong having a housing and a rotary element rotably mounted in said housing, comprises: a) a belt anchor assembly; b) a belt carrier assembly which can be mounted on said rotary element; c) a belt extending between the belt anchor assembly and the belt carrier assembly; and d) at least one jaw for facilitating gripping a pipe. Fig. 3
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申请公布号 |
CA2004015(A1) |
申请公布日期 |
1990.05.28 |
申请号 |
CA19892004015 |
申请日期 |
1989.11.28 |
申请人 |
WEATHERFORD U.S., INC. |
发明人 |
SCHULZE-BECKINGHAUSEN, JOERG E. |
分类号 |
E21B19/16;(IPC1-7):E21B19/16;B66C1/42 |
主分类号 |
E21B19/16 |
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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