Strap tensioning device

摘要

In a package strapping machine an improved means for tightening the strap extending from a strap supply about a package to be strapped including feed means, retract means, linearly reciprocating tension means and a secondary gripper in which the tension means is outside of the path of the strap between the feed means and the retract means and in which the tension means reciprocates in a direction approximately normal to the usual path of the strap traveling through the tension means.