B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 21/00 (2006.01) B25B 13/48 (2006.01) B25B 27/14 (2006.01)
Patent
CA 2284352
A apparatus for disassembling a threaded bolt and nut assembly wherein the bolt is initially extended through an opening provided on a structure and being secured thereto with the nut axially mounted on a threaded rod of the bolt. The apparatus comprises a tool body, a nut gripping element such as a socket mounted for rotation on a working portion of the tool body, the socket being provided with a bore axially extending theretrough. The apparatus further comprises a rotary actuator mounted on the tool body and operatively coupled to the socket for imparting torque to the mounted nut in a direction allowing release of the nut from the secured bolt. The apparatus also comprises a pushing device such as a pneumatic power hammer mounted on the tool body and provided with an elongated push member having a working end being axially displaceable within the bore, and a linear actuator mounted on the tool body and operatively coupled to the hammer for selectively displacing the push member between a retracted position allowing the release of the mounted nut and an extended position where the bolt is at least partially withdrawn from said opening upon thrust of the working end of the push member. A pneumatic control system is provided for controlling the rotary actuator and the linear actuator. The apparatus can be provided with a base for supporting the tool body and a holder connecting the base to the tool body while allowing transversal displacement thereof on the holder. A first embodiment uses a base provided with a rotary arm, while a second embodiment uses a base provided with a displaceable carrier mounted on a rail.
Barbulescu Adrian
Boulet Rodrigue
Larochelle Real
Michaud Paul
Centre de Recherche Industrielle Du Quebec
Intellium Technologies Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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