Patent ID: 6978705
Filing Date: 2005-12-27
Classification: B25B

Abstract:
1. A torque wrench comprising a wrench main body, a central push rod, an adjustment handle and a restricting member, wherein the central push rod is mounted in the wrench main body, the central push rod having a toothed section and a threaded section, the adjustment handle being fitted with one end of the wrench main body, a fixing cap being disposed at one end of the adjustment handle, the fixing cap being formed with a toothed hole, whereby the toothed section of the central push rod can be engaged in the toothed hole of the fixing cap, the restricting member being locked on the threaded section of the central push rod, said torque wrench being characterized in that the central push rod further has an escape section between the toothed section and the threaded section, the escape section having an outer diameter smaller than a diameter of the toothed hole of the fixing cap, whereby after the torque value of the torque wrench is adjusted, the toothed section of the central push rod is disengaged from the toothed hole of the fixing cap and the escape section of the central push rod gets into the toothed hole of the fixing cap so that the central push rod is free from the adjustment handle.