A flexible double U-joint assembly that includes structure for locking the assembly in a single U-joint mode to permit easy insertion into a pipeline with an associated inspection device. When in the pipeline, the assembly may be converted to a double U-joint mode by applying tension to the device.
申请公布号
DE4313034(A1)
申请公布日期
1994.02.10
申请号
DE19934313034
申请日期
1993.04.21
申请人
TUBOSCOPE VETCO INTERNATIONAL INC., HOUSTON, TEX., US