Lightweight cable ladder

Details Lightweight cable ladder Lightweight cable ladder

1979-11-28

1982-03-16

Foss, J. Franklin

Supports

Pipe or cable

248 68R, F16L 300

Patent

active

043197248

ABSTRACT:
A lightweight cable support ladder comprising siderail members, preferably made from a lightweight material, and rungs, also preferably made from a lightweight material. The rungs are friction fitted into continuous slots in the siderail members and may be welded for added rigidity. The basic ladder may be preassembled in standard lengths. Joining members, which allow either horizontal or vertical changes in direction for the ladder, are friction-fitted into slots in the siderail members to provide for rapid, accurate, and rigid assembly. Hangers for either vertical or horizontal surfaces are also provided which snap-fit over the siderail members of the ladder. The rung members are provided with serrated or textured edges to provide a non-slipping attachment location for the cable ties positioning the cables on the ladder.

REFERENCES:
patent: 2923510 (1960-02-01), Walch
patent: 2979298 (1961-04-01), Kenyon
patent: 3095471 (1963-06-01), Price
patent: 3521843 (1970-07-01), Ogle
patent: 3730570 (1973-05-01), Brochstein
patent: 3915420 (1975-10-01), Norris
patent: 3938767 (1976-02-01), Norris
patent: 4089612 (1978-05-01), Mazzeo

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