Load insulator

Details Load insulator Load insulator

1994-02-01

1996-10-22

Peng, John K.

Communications: electrical

Condition responsive indicating system

Specific condition

340647, 340685, 174208, 174138R, 174163R, 174166R, G08B 2100

Patent

active

055681328

ABSTRACT:
A load insulator 2, for interposition into a loaded line, comprises a plurality of mechanical links 4 connected together to form a chain, and an electrical insulator 8 arranged between a pair of adjacent interlocked links 10,12 in the form of an insert of insulative material to electrically isolate the links 10,12 of the pair from each other. A load sensing device may be provided for sensing the strain on the mechanical link. A measuring device 24 for measuring the resistance of the insulator 8 is provided to check the electrical condition of the load insulator, whilst a recording and indicating device allows for recording of electrical strikes and provide a lifetime expiry indicator.

REFERENCES:
patent: 372940 (1887-11-01), Soden
patent: 476828 (1892-06-01), Seymour
patent: 2286488 (1940-07-01), Johnson
patent: 3320524 (1967-05-01), Miller, Jr.
patent: 4833415 (1989-05-01), Nourai et al.
patent: 4952881 (1990-08-01), Pearson
patent: 4977783 (1990-12-01), Pratt
patent: 5086651 (1992-02-01), Westermo et al.
patent: 5224388 (1993-07-01), Pratt
patent: 5303164 (1994-04-01), Masson et al.

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