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    • 7. 发明公开
    • SHEAR WRENCH TOOL
    • EP4338887A1
    • 2024-03-20
    • EP23166650.4
    • 2023-04-04
    • Black & Decker, Inc.
    • GOTTSCHLING, RafaelKUNZ, MichaelLIBERA, Carl-PhilippSCHMIDT, Benjamin
    • B25B21/00B25B23/00B25B23/14
    • A shear wrench tool comprising: a motor; a transmission operatively connected to the motor; a first socket arranged to engage a tip of a bolt to be sheared; a second socket arranged to engage a nut threaded on the bolt; wherein the first socket and second sockets are operatively connected to the transmission and rotate in opposite directions relative to each other when the motor provides torque to the transmission in use; an ejector mechanism comprising an ejector pin coaxial with the first and second sockets and moveable between a retracted position for enabling the tip of a bolt to be sheared to be received in the first socket and an extended position for urging a sheared tip from within in the first socket, the ejector pin being biased towards the extended position; wherein the tool is configured such that in use when the motor rotates in a first direction the first and second sockets tighten the bolt and nut without actuating the ejector mechanism whereby the ejector pin is blocked from moving to the extended position and when the motor rotates in a second direction the ejector mechanism is actuated whereby the ejector pin moves to the extended position for removing a sheared tip of the bolt from the first socket.