Patent ID: 7837426

Claim:
A teeter beam assembly for a pipe launcher, comprising: a) a frame having a top rail and a bottom rail, the frame further comprising outer and inner ends, the inner end adapted to operatively attach to the pipe launcher, the outer end comprising a support leg adapted to support the frame above a ground surface when the frame is operatively attached to the pipe launcher; b) a pair of vertical guide assemblies disposed on top of the top rail, one guide assembly disposed near each of the outer and inner ends of the frame; c) a longitudinal beam having outer and inner ends, the beam operatively disposed above the top rail and between the vertical guide assemblies, each end of the beam comprising a guide member glideably coupled to one of the vertical guide assemblies; and d) a pair of rams operatively coupling the beam to the frame wherein the rams are disposed within the frame, each of the rams passing through an opening disposed in the top rail and operatively coupled to the bottom rail, one of the pair of rams disposed nearer the outer end, the other of the pair of rams disposed near the inner end wherein the outer end of the beam is elevated when the outer ram is extended further than the inner ram, and wherein the inner end of the beam is elevated when the inner ram is extended further than the outer ram.