Device for loosening a cable within a conduit

Details Device for loosening a cable within a conduit Device for loosening a cable within a conduit

1983-02-04

1985-05-21

Schmidt, Frederick R.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

2541343FT, 1510404, 1510405, 1510416, H02G 108

Patent

active

045181527

ABSTRACT:
A generally cylindrical tubular sleeve member sized for easy clearance within a conduit. The tubular sleeve member has a shaped mouth on at least one end for freeing a cable adhered to the inside of the conduit when the sleeve member is drawn longitudinally through the conduit with the cable passing through the inside sleeve space. In one embodiment, a portion of the sleeve wall is hinged for placement over an in-service cable and in another embodiment an end portion of the sleeve is rotatable through a limited angle as controlled by a radial pin and slot arrangement. A yoke fits into holes within the sleeve wall and provides attachment for a draw line.

REFERENCES:
patent: 804921 (1905-11-01), Blackburn
patent: 951202 (1910-03-01), Shirk
patent: 1899379 (1933-02-01), Adams
patent: 2944552 (1960-07-01), Cannon

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