发明名称 TIPPING GIRDER FOR THE TRANSFER OF RODS OR TUBULAR ELEMENTS
摘要 A tipping girder for the transfer of rods or tubular elements, comprising a plurality of adjustable guide nippers movably mounted on the girder for movement transverse to the longitudinal axis thereof, and adjustable locking nippers movably mounted on the girder for movement parallel and transverse to the longitudinal axis thereof. The locking nippers are constructed to automatically engage and lock a rod on the girder when it is moved away from a horizontal position.
申请公布号 US3702640(A) 申请公布日期 1972.11.14
申请号 USD3702640 申请日期 1970.04.13
申请人 COMPAGNIE FRANCAISE DES PETROLES 发明人 BERNARD G. CINTRACT;RENE G. SEVIN
分类号 E21B19/15;(IPC1-7):E21B19/00 主分类号 E21B19/15
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