Electric cable sealing end

Electricity: conductors and insulators – Conduits – cables or conductors – Combined

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Details

411146, 411228, H02G 1504

Patent

active

045714525

ABSTRACT:
An electric cable sealing end in which the insulator which screws into a sealing box part and the box part distal end have rings therebetween with facing, complementary, engageable saw teeth. One ring is rotatable by the insulator and the other ring is held stationary by the box part. When the insulator is tightened, the saw teeth permit rotation thereof but after tightening, the saw teeth prevent rotation of the insulator in the loosening direction unless one of the rings is intentionally broken and removed.

REFERENCES:
patent: 955054 (1910-04-01), Darby
patent: 1377397 (1921-05-01), Chance
patent: 2355166 (1944-08-01), Johanson
patent: 2454838 (1948-11-01), Richardson et al.
patent: 2924467 (1960-02-01), Burch
patent: 3055972 (1962-09-01), Peterson
patent: 3273443 (1966-09-01), Rubin
patent: 3493670 (1970-02-01), Broadbelt et al.
patent: 4055208 (1977-10-01), Blaul

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