Apparatus for screwing at least one nut onto and off connection

Details Apparatus for screwing at least one nut onto and off connection Apparatus for screwing at least one nut onto and off connection

1989-09-27

1991-09-10

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Machine

29723, 29795, B25B 2902

Patent

active

050463861

ABSTRACT:
Apparatus for screwing on and off a clamp nut (5) and an extension piece (13) facing the clamp nut. The extension piece (13) of each of plurality of connection members (2) cooperates with a ring (1) for simultaneously tensioning the connection members. The apparatus includes a carriage (20) for guiding and displacing the apparatus around the ring (1) tensioning the connection member (2), a disengageable system (30) for displacing and rotationally driving the extension piece (13) which is to be screwed on or off, and a disengageable system (40) for rotationally driving the clamp nut (5) which is to be screwed on or off. These systems are supported by the carriage (20) and are displaceable along an axis parallel to the axis of the connection member (2) and at a speed identical to that of the nut (5) or of the extension piece (13) in the course of its screwing or unscrewing.

REFERENCES:
patent: 3877326 (1975-04-01), Kock et al.
patent: 4027559 (1977-06-01), Wallrafen
patent: 4047456 (1977-09-01), Scholz

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