Device for pushing or pulling elongate wire- or rod-shaped eleme

Details Device for pushing or pulling elongate wire- or rod-shaped eleme Device for pushing or pulling elongate wire- or rod-shaped eleme

1983-06-30

1985-11-12

Schmidt, Frederick R.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

B65H 5900

Patent

active

045523380

ABSTRACT:
A device for pushing or pulling elongate wire- or rod-shaped elements through conduits comprises a conduit draw wire (100) defined by a plurality of separated groups of beads (101) slipped on a wire (11) alternately with helical springs (12). With the aid of a coupling device (13, 14') several such lengths may be coupled together or complementary components (15') may be attached. An apparatus (200) may be provided which comprises a runner (23) which via an engagement hook (24) transports the wire during a feeding stroke, alternately with a return stroke of no engagement between the draw wire and runner.

REFERENCES:
patent: 1368665 (1921-02-01), Strauss
patent: 1959490 (1934-05-01), Mistelski
patent: 1963561 (1934-06-01), Sanger
patent: 2160395 (1939-05-01), Wettlaufer
patent: 3185318 (1965-05-01), Lewis, Sr.
patent: 3645502 (1972-02-01), Stromp, Jr.

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