Electricity: conductors and insulators – Electric shock hazard protective devices – Shock protection – grounding devices
Patent
1980-06-16
1981-07-21
Askin, Laramie E.
Electricity: conductors and insulators
Electric shock hazard protective devices
Shock protection, grounding devices
174139, H02G 102, H01B 1700
Patent
active
042800137
ABSTRACT:
A two piece, open-ended, telescopically interfitted, synthetic resin insulative protective cover for one or more pin-type or post-type, conductor-supporting insulators is provided which has a configuration for substantially enveloping such insulators to thereby minimize the risk of inadvertent contact with the energized conductor, while also being easily installable using conventional hot-line tools by a lineman remote from the conductor and associated equipment. The cover preferably includes two separate sections which are individually installed and axially telescoped together over the insulator to give the complete cover. Each section has walls defining an elongated, insulator-receiving space and a longitudinal slot between the opposed bottom wall portions thereof. The male and female sections include appropriate connection structure in the form of outwardly extending, shoulder-defining surfaces at the ends thereof for positive interconnection of the sections together and to associated spiral-type conductor covers. In addition, stop walls provided on the sections limit the extent of telescopic interfitting of the components of the cover-up assembly. Tabs are also provided on the respective sections for connecting the latter to a manipulative hot line tool so that the individual sections can be safely installed and interfitted by a lineman positioned at a safe distance from the energized conductor.
REFERENCES:
patent: 568060 (1896-09-01), Wood
patent: 992738 (1911-05-01), Marshall
patent: 1141674 (1915-06-01), Withers
patent: 1598155 (1926-08-01), Salisbury
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patent: 1877035 (1932-09-01), Palmer
patent: 2770667 (1956-11-01), Runde
patent: 2871282 (1959-01-01), Tipsord et al.
patent: 3835238 (1974-09-01), West
patent: 3922476 (1975-11-01), Clutter et al.
A. B. Chance Company
Askin Laramie E.
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