Static structures (e.g. – buildings) – With entrance for persons or objects in horizontal or... – With additional enclosure structure; e.g. – manhole
Patent
1985-05-31
1986-09-30
Raduazo, Henry E.
Static structures (e.g., buildings)
With entrance for persons or objects in horizontal or...
With additional enclosure structure; e.g., manhole
52220, 404 26, E02D 2914
Patent
active
046140654
ABSTRACT:
An adjustable cleanout apparatus having an inner cylindrically shaped body with an outer portion thereof having threads thereon, such inner body having a predetermined inner diameter. Holes extend through the bottom of the inner body for permitting the inner body to be attached to an upstanding plumbing cleanout pipe. A lead and oakum joint is formed between the outer top portion of the cleanout pipe and the inner portion of the inner body. A cylindrical member having an outer diameter larger than the diameter of the outer portion of the inner body is utilized to be disposed over the inner body so that a concrete floor poured around the cylindrical member will not come into contact with a substantial portion of the threads of the inner body whereby such cylindrical member can be selectively removed from around the inner body after the concrete is cured. An outer cylindrical shaped body having an outer diameter no larger than the outer diameter of the cylindrical member and having threads on the interior thereof permit this other body to be threadably engaged with the threads on the exterior of the inner body whereby the outer body can be placed in the space vacated by the cylindrical member. Rotation of the outer body in one direction will move it upwardly and rotation of the outer body in an opposite direction will move it downwardly.
REFERENCES:
patent: 1712895 (1929-05-01), Metcalf
patent: 1779936 (1930-10-01), Hess
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patent: 2190532 (1940-02-01), Lukomski
patent: 2324545 (1943-07-01), Svirsky
patent: 2471301 (1949-05-01), Boosey
patent: 2626674 (1953-01-01), Boosey
patent: 3420552 (1969-01-01), Mork
patent: 4433860 (1984-02-01), Lindquist
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