| 摘要 |
<p>A loading arm utilizing a counterbalancing mechanism in which half sheaves are utilized to provide one interconnection between the counterbalance and the outboard arm and a member is pivotally connected to both the outboard arm and the counterbalance to provide the other interconnection between the counterbalance and outboard arm to provide for full retracted storage of the arm. Preferably, rods provide the majority of the interconnection between the outboard arm and the counterweight.</p> |
