Telescopic conduit passage assembly

Details Telescopic conduit passage assembly Telescopic conduit passage assembly

1999-04-01

2000-05-16

Brinson, Patrick

Pipes and tubular conduits

Plural duct

Coaxial

138155, 138110, 138111, 174 48, F16L 918

Patent

active

060622679

ABSTRACT:
A telescopic conduit passage assembly for extending conduit, such as electrical wiring, through a hole in an exterior wall of a structure. The telescopic conduit passage assembly includes a main tube and an extension tube each having a pair of opposite open ends. A first of the ends of the extension tube is slidably inserted into a first of the ends of the main tube. The main tube and the extension tube each have an outwardly radiating end flange adjacent a second of the ends of the respective tube.

REFERENCES:
patent: D285044 (1986-12-01), Mockett
patent: 3542940 (1970-11-01), Flachbarth et al.
patent: 4163572 (1979-08-01), Benscoter
patent: 4354052 (1982-10-01), Albany et al.
patent: 4924646 (1990-05-01), Marquardt
patent: 5560397 (1996-10-01), Miller et al.
patent: 5594201 (1997-01-01), Reinert, Sr.
patent: 5799702 (1998-09-01), Hsien-Jen et al.

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