Rotary cutter for cable following apparatus

Details Rotary cutter for cable following apparatus Rotary cutter for cable following apparatus

1984-01-18

1986-06-10

Novosad, Stephen J.

Boring or penetrating the earth

Enlargement of existing pilot throughbore requiring...

175 69, 175 67, 175394, 405184, E21B 1908, E21B 2300

Patent

active

045937729

ABSTRACT:
A cable following apparatus has a rotating annulus at the front portion of its main body where a cylindrical axial opening of the body passing over a cable first comes in contact with concentric neutral wires. The annulus, by rotating in the direction of the neutral wrapping wires, has the effect of wrapping down any wires that are broken. Further, a helical groove in the annulus extends forward beyond a static cutter plate providing a front surface of the main body. The end of the groove rotates slightly behind the static cutting surface of the plate. Wires that are broken and pulled away from the cable are picked up by the groove and carried to a position where they are cut off by the force of the side of the helical groove pressing them against the static cutter surface of the plate.

REFERENCES:
patent: 1370677 (1921-03-01), Wooldridge
patent: 1868400 (1932-07-01), Stover
patent: 1994884 (1935-03-01), Chew
patent: 2278137 (1942-03-01), Overholt
patent: 3198267 (1965-08-01), Madson
patent: 3416614 (1968-12-01), Goodwin et al.
patent: 4117895 (1978-10-01), Ward et al.
patent: 4119160 (1978-10-01), Summers et al.
patent: 4385667 (1983-05-01), Reichman et al.
patent: 4403667 (1983-09-01), Reichman et al.

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