Adjustable spacer with rotational lock

Details Adjustable spacer with rotational lock Adjustable spacer with rotational lock

1981-10-02

1984-02-28

Pate, III, William F.

Wells

With electrical means

166242, 166381, 285 32, 285302, 285 86, E21B 1707

Patent

active

044337256

ABSTRACT:
A spacing apparatus for tubing conduit in a subterranean well, normally for use with an electric component with a longitudinally extending external electrical cable, permits irrotational adjustment of the length of the tubing conduit. The spacing apparatus comprises telescoping members which are keyed to prevent rotation therebetween. A threaded member, longitudinally fixed relative to one longitudinal member, normally engages threads extending substantially along the entire length of the other telescoping member. Movement of a retaining sleeve permits disengagement of the threaded segments which ratchet along the threads during telescoping movement. The length of the conduit can thus be irrotationally adjusted to remove slack from the electrical cable.

REFERENCES:
patent: 3170520 (1965-02-01), Arutunoff
patent: 3321018 (1967-05-01), McGill
patent: 3442541 (1969-05-01), Metz
patent: 4258792 (1981-03-01), Restarick

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