Connecting means for trench cover plates

Details Connecting means for trench cover plates Connecting means for trench cover plates

1974-03-29

1976-04-06

Huckert, John W.

Pipes and tubular conduits

With closures and plugs

Lateral opening

49465, 52221, 52760, 174101, 220 38, 220306, F16L 5500

Patent

active

RE0287563

ABSTRACT:
An electrical trench assembly having a base pan and vertically adjustable side rails. Said side rails being secured to and carried by said base pan by means of adjusting screws, which are carried by said rails and which screw into threaded connections on said pan. The cover plate for the trench assembly is attached to the side rails by resilient fasteners.

REFERENCES:
patent: 1189208 (1916-06-01), Hodkinson
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patent: 3074208 (1963-01-01), Seidel
patent: 3084480 (1963-04-01), Fork
patent: 3101097 (1963-08-01), Murray
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patent: 3204378 (1965-09-01), Steussel et al.
patent: 3229029 (1966-01-01), Weiss
patent: 3237356 (1966-03-01), Fork
patent: 3368311 (1968-02-01), Fork

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