Pipe laying apparatus
OwnerRobert M. Sandvick, Sr.inventor
Life of this patent
Estimating the term…
Abstract
A hydraulic ram is secured to a frame member which includes a pivotally attached scissor clamp for securing the frame member to the outer circumference of a first pipe section. The shaft of the hydraulic ram is extended and retracted by hydraulic fluid under pressure supplied by a hydraulic pump driven by a battery powered electric motor. The shaft is secured to cables which are coupled to an adjacent pipe section. As the shaft retracts, it draws the adjacent section of pipe into longitudinal abutting contact with the first pipe section.
Claims10
In a pipe laying apparatus for temporary attachment to a horizontally oriented section of pipe for inhibiting relative longitudinal movement between said apparatus and said pipe, the combination comprising:
- a. an elongated frame, having a longitudinal axis, positionable on the top surface of said pipe section with the longitudinal axis of said frame generally parallel to the longitudinal axis of said pipe section;
- b. pipe encircling means having a pair of substantially coplanar arms for at least partially surrounding the outer circumference of said pipe section;
- c. securing means for pivotably securing said pipe encircling means to said frame about an axis substantially perpendicular to the longitudinal axis of said frame;
- d. tilting means for applying a longitudinal force to said frame for tilting the plane of said pipe encircling means relative to the vertical axis of said pipe section to force said pipe encircling means into engagement with the outer circumference of said pipe section;
- e. locking means coupled to each of said pair of arms for locking said pair of arms in a partially surrounding portion with respect to said pipe section;
- whereby said pair or arms of said pipe encircling means wedge against the outer surface of said pipe section and prevent relative longitudinal movement between said apparatus and said pipe section.
Dependencies are inferred from the claim text.