Line protecting apparatus

Details Line protecting apparatus Line protecting apparatus

1988-11-17

1991-01-29

Kashnikow, Andres

Electricity: transmission to vehicles

Flexible extensions

Reels

24115J, 59 781, 248 51, F16L 308

Patent

active

049888382

ABSTRACT:
For protecting cables, service lines and the like particularly in longwall face mining, an articulated arrangement is formed from a plurality of interconnected links. Each link has a central web (10) forming the common base for a pair of laterally open channels (16,18) on respective sides. At least some of the links have each channel side (12,14) formed with an inwardly extending bulge (28) which thereby define an entrance (30,32) for the respective channel of less width than the width of the respective channel. The apparatus is substantially formed of a plastics material with the channel sides being resiliently flexible whereby a cable or service line can be inserted into a respective one of the channels (16,18) by deflecting the channel legs apart. After the cable or service line passes through the channel entrance, the channel sides (12,14) regain their original position and prevent the line from moving inadvertently out of the channel.

REFERENCES:
patent: 3891294 (1975-06-01), Philbert
patent: 4186553 (1980-02-01), Fitchett
patent: 4600817 (1986-07-01), Hackenberg
"Plastic Support Chain for Cables and Conduits", Murrelektronik Ltd., 11-1986.

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