Apparatus for screwing a threaded nut onto a steel rod

Details Apparatus for screwing a threaded nut onto a steel rod Apparatus for screwing a threaded nut onto a steel rod

1976-11-09

1977-09-20

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

81 55, 81121R, 61 45B, B25B 1348

Patent

active

040488756

ABSTRACT:
The tool or device of the invention operates on an anchoring rod of the type which has spiral threads which threads only extend around a portion of the circumference thereof. Such an anchoring rod, when used to secure ceilings in mines, for example, has to be screwed into anchoring position and then have a nut screwed in the free end thereof to secure it against a steel plate applied against the wall of the ceiling. The device of the invention is in the form of a sleeve having an aperture at one end adapted to receive the nut to be applied and a means at the other end to connect to a torque applying device. Back of the nut receiving aperture, means are provided in the sleeve device which can, optionally, cause the rod, the end of which extends through the nut, to rotate with the sleeve, or to remain stationary while the nut is screwed thereon, whereby the insertion of the rods into the bore holes and the tightening of the nut thereon, can be accomplished rapidly with only one fitting of the tool thereon.

REFERENCES:
patent: 3413876 (1968-12-01), Shinn
patent: 3485118 (1969-12-01), Maughan
patent: 3693484 (1972-09-01), Sanderson
patent: 3889558 (1975-06-01), Duncan
patent: 3916734 (1975-11-01), Sawan
patent: 3935760 (1976-02-01), Taylor

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