Patent attributes
A load binding tool for securing a load, the load binder including an elongated threaded contraction expansion assembly including an elongated threaded member having opposing ends with opposite screw threading, and having opposing engaging ends, and enabling common contraction or extension of the respective opposing engaging ends when the elongated threaded member is rotated one direction or another, and a driven sheave, a drive shaft, a primary drive sheave, and a closed loop of chain or other flexible coupler movably engaged with the driven sheave and the primary drive sheave, wherein the drive shaft can be rotated to turn the primary drive sheave and move the opposing engaging ends closer together or further apart. The drive shaft is can be coupled with an external drive coupling that can be engaged with a separate drive tool to rotate the drive shaft and operate the load binding tool.