Electricity: conductors and insulators – Overhead – Towers – poles or posts
Patent
1987-09-22
1988-11-08
Grimley, Arthur T.
Electricity: conductors and insulators
Overhead
Towers, poles or posts
H02G 312
Patent
active
047835770
ABSTRACT:
Afterset to access each cell of a three-cell cellular raceway. Comprises a base conected to and extending across the three raceways, an adjusting ring threaded on the base and a flat cover on the adjusting ring. Cover and ring are arranged so that the size of the cable exit opening can be adjusted to fit the cross sectional size of the group of cables. All power, telephone, and data connectors are joined inside the afterset underneath the floor covering.
REFERENCES:
patent: 3322442 (1967-05-01), Flachbarth
patent: 3873136 (1975-03-01), Curry
patent: 4443654 (1984-04-01), Flachbarth et al.
patent: 4591656 (1986-05-01), Mohr
patent: 4638115 (1987-01-01), Benscoter
Butler Manufacturing Company
Grimley Arthur T.
Olsson Frederick J.
Tone David A.
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