Appeal No. 96-4197 Application No. 08/425,261 a measuring end and a distal end, the insertion rod being axially aligned for insertion of the measuring end into the pipeline through said extending mounting member, the stuffing assembly, and the blocking valve, wherein the measuring end is capable of supporting a measuring mechanism; (c) a laterally extending yoke connected with the distal end of the insertion rod having two opposing ends aligned with the opposing ends of said mounting member; (d) a pair of parallel hydraulic cylinders, each hydraulic cylinder having an elongate cylinder body extending toward the pipeline adjacent to and aligned at the side of the stuffing assembly and blocking valve, a piston movably located in each of said cylinders, and a piston rod extending from said piston for connection to relatively move said yoke with respect to said mounting member wherein the pipeline insertion apparatus extends from the pipeline parallel to the insertion rod, and wherein the application of pressurized fluid to the piston moves the piston rod to move said yoke towards or away from the pipeline to insert or retract the measuring end of the insertion rod into the pipeline wherein the pair of hydraulic cylinders operate jointly in response to a common pressurized fluid system to provide movement of the rod without bending from said pair of cylinders to the side of the stuffing assembly. The Examiner relies on the following references: Welker 4,387,592 Jun. 14, 1983 Kamrat 5,009,113 Apr. 23, 1991 Claims 19 through 29 stand rejected under 35 U.S.C. § 103 as being unpatentable over Kamrat in view of Welker. Rather than reiterate the arguments of Appellant and the 4Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 3, 2007