COMPOUND TENSION AND CALIBRATION MECHANISM FOR CABLE TIE TENSIONING AND CUT-OFF TOOL

摘要

A hand held tool for the tensioning and severing of cable ties, including reciprocating means for tensioning the cable tie tail, locking means to prevent further tensioning upon the attainment of a preselected tension level in the tie tail, and severing means to sever the tie tail from the cable tie head. The tool includes a tension adjustment system and an independent calibration mechanism.

主权项

1. A tensioning system for adjusting the tension imparted to a cable tie in a cable tie tensioning and cut-off tool, the cut off tool including a housing and a cable tie gripping mechanism, the tensioning system comprising:
a tension adjustment knob having at least one slot formed thereon and at least one spline formed therein; a ring member having at least one cog on a first side and at least one detent on a second side, the at least one cog being engagable with the at least one slot; a rotating cam having an external thread and at least one tessellated portion formed thereon, the at least one tessellated portion being engagable with the at least one spline; a fixed cam coupled to said housing and having an internal thread being engagable with the rotating cam external thread; a tension shaft having a first end, the first end being coupled to the rotating cam; and at least one tension biasing member coupled to the shaft and to the gripping mechanism.