Implements or apparatus for applying pushing or pulling force – Method or apparatus for placement of conductive wire – Conduit snakes
Patent
1974-08-22
1976-07-13
Werner, Frank E.
Implements or apparatus for applying pushing or pulling force
Method or apparatus for placement of conductive wire
Conduit snakes
2541391, E21C 2916
Patent
active
039689522
ABSTRACT:
The assembly for pulling a line comprises a frame, a power unit mounted on the frame and means for guiding a line from the power unit along the frame structure. The frame has a structural configuration that is adjustable to a plurality of working positions. The frame includes a base frame section, a boom frame section, a conduit adaptor frame section and means to hold the frame sections in a desired position with respect to each other.
REFERENCES:
patent: 307986 (1884-11-01), Porritt
patent: 2221903 (1940-11-01), Abramson et al.
patent: 2948510 (1960-08-01), Kieser
patent: 2953259 (1960-09-01), White
patent: 2985430 (1961-05-01), Greenwood
patent: 3072382 (1963-01-01), Jones
patent: 3072383 (1963-01-01), Vanderhagen
patent: 3226088 (1965-12-01), Habighorst
patent: 3306468 (1967-02-01), Pollack
Markva Neil F.
Werner Frank E.
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