SMALL TORQUE WRENCH

摘要

The forque wrench is used for accurately measuring minute to be applied to a bolt when small electronic parts are assembled with the main body. The torque wrench comprises a detecting section (5) fastened with an upper connecting rod (3) of a socket (2) by a bolt (4) and connected with the wrench body (6) by a spring pin (6); strain gages (R1)(R2)(R3)(4) mounted at respective sides of rectangular detecting section (5) and forming two bundles of bridge circuits; small hole (7) for passing electric wire (8) connecting with respective gages and a connector (9) on the body (6); strain gage or digital volt meter connected with the connector (9).