Electricity: conductors and insulators – Overhead – Towers – poles or posts
Patent
1994-11-17
1998-05-19
Sough, Hyung S.
Electricity: conductors and insulators
Overhead
Towers, poles or posts
174 72C, 174 72R, 174101, 522871, 138157, H02G 304, H02G 306
Patent
active
057538557
ABSTRACT:
A duct fitting for joining a plurality of separate duct sections is provided. The fitting cover includes flanges formed on the sidewalls for engaging with a corresponding recess in the duct section to provide engagement, and further includes an independent latch for securing the cover to the base fitting. The T-shaped fitting is also provided with a divider insert which allows for proper routing of wires into the selected channels while maintaining the proper bend radii for the wires or cables.
REFERENCES:
patent: 1590569 (1926-06-01), Fisk
patent: 1718253 (1929-06-01), Putnam
patent: 3351699 (1967-11-01), Merckle
patent: 3471629 (1969-10-01), O'Leary
patent: 4602124 (1986-07-01), Santucci
patent: 4612746 (1986-09-01), Higgins
patent: 4646211 (1987-02-01), Gallant et al.
patent: 4891471 (1990-01-01), Ono et al.
patent: 4951716 (1990-08-01), Tsunoda et al.
National Electric Products Corporation, "La-in", 1950's, pp. 34-35.
Nicoli Robert
Woods Randall T.
Hilliard Mark D.
McCann Robert A.
Panduit Corp.
Sough Hyung S.
Turgeon Michael J.
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