Patent ID: 6494120
Filing Date: 2002-12-17
Classification: B25B

Abstract:
An apparatus for disassembling a threaded bolt and nut assembly, said bolt initially extending through an opening provided on a structure and being secured thereto with the nut axially mounted on a threaded rod of said bolt, said apparatus comprising:a tool body; a nut gripping element mounted for rotation on a working portion of said tool body, said gripping element being provided with a bore axially extending therethrough; a rotary actuator mounted on the tool body and operatively coupled to the nut gripping element for imparting torque to the mounted nut in a direction allowing release of the nut from the secured bolt; a pushing device mounted on the tool body and provided with an elongated push member having a working end being axially displaceable within the bore; a linear actuator mounted on the tool body and operatively coupled to the pushing device for selectively displacing the push member between a retracted position allowing the release of the mounted nut and an extended position in contact with the bolt threaded rod to at least partially withdraw the bolt from said opening upon thrust of the working end of the push member; means for controlling said rotary actuator and said linear actuator.