Double adjustable duct support

Details Double adjustable duct support Double adjustable duct support

1988-08-09

1989-10-31

Safavi, Michael

Static structures (e.g., buildings)

With lifting or handling means for primary component or...

Position adjusting means; e.g., leveling

521265, 521266, 2481884, E04B 548

Patent

active

048768340

ABSTRACT:
A duct support, for infloor electrical distribution systems, which has two separate adjustments within the same structure. One being a large adjustment which can be made quickly without the use of screw threads. The other being a small, precise, screw-thread adjustment which may be made when the support is in any one of the large adjusted positions.

REFERENCES:
patent: 1697800 (1929-01-01), Freiher
patent: 2973932 (1961-03-01), Van Huis et al.
patent: 2988017 (1971-06-01), Stough
patent: 3166633 (1965-01-01), Guzan, Jr. et al.
patent: 3550336 (1970-12-01), Halkovich
patent: 3704846 (1972-12-01), Clark
patent: 4404780 (1983-09-01), Josephson
patent: 4598510 (1986-07-01), Wagner
patent: 4680904 (1987-07-01), Stoecker
patent: 4759162 (1988-07-01), Wyse

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