| 摘要 |
<p>The present invention is related to hand-operated clamping and tightening tools. A bar clamping and tightening tool is disclosed, comprising a bar, a stationary jaw assembly which can be fixed on and released from either end of the bar and comprises a stationary jaw mounted in and spring- loaded relative to the housing of the stationary jaw assembly, a moveable jaw assembly which can slide along the bar and comprises a housing to which a moveable jaw and a rear handle are fixed, a drive handle mounted in the housing of the moveable jaw assembly so that it can pivot about said housing, drive levers which are mounted in and spring- loaded relative to the housing of the moveable jaw assembly and can slide along and be fixed on the bar, a locking lever mounted in the front of the housing of the moveable jaw assembly, wherein the stationary jaw can pivot about the housing of the stationary jaw assembly and comprises a means for being fixed on the bar. The efficiency of use is increased.</p> |
