Self-propelled subsoil penetrating tool system

Details Self-propelled subsoil penetrating tool system Self-propelled subsoil penetrating tool system

1989-02-24

1990-05-08

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 865R, 2541343R, 175103, B65H 7542

Patent

active

049231340

ABSTRACT:
A means and method to pre-tension a cable or components thereof which provides an auxiliary reel mounted upon the primary cable reel, which auxiliary reel can be rotated independently of said primary cable reel and also rotated with said primary cable reel. The rotation of such auxiliary reel, when attached to a tension member, prior to rotation of the primary cable reel, pre-tensions, such tension member and said cable to limit rotation, deformation and distortion of the cable under preset conditions. The rotation of the auxiliary reel with the primary cable reel maintains such pre-tension regardless of whether the rotation of the primary cable reel increases such tension in the cable.

REFERENCES:
patent: 3539123 (1970-11-01), Shutt
patent: 3576295 (1971-04-01), Hale
patent: 3858011 (1974-12-01), Salvin et al.
patent: 4442903 (1984-04-01), Schutt et al.
patent: 4570705 (1986-02-01), Walling
patent: 4830300 (1989-05-01), Taylor et al.

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