Liquid purification or separation – Structural installation – Grated inlet surface drain
Patent
1988-10-20
1989-11-28
Jones, W. Gary
Liquid purification or separation
Structural installation
Grated inlet surface drain
210460, 210232, 4288, 249183, 249DIG3, E03C 126
Patent
active
048835900
ABSTRACT:
An adjustable floor drain apparatus having an outer cylindrically shaped body with threads on the inside thereof attached to the top of a drain pipe. A cylindrical member is disposed inside of the outer body so that concrete can be poured around the cylindrical member and the concrete will not enter the outer body. An inner cylindrically shaped body having threads on the exterior thereof is provided for mating with the inside threads on the outer body whereby the inner body can be threaded into the outer body and whereby the top thereof can be adjusted up or down to conform to the height of the finished floor. A ring is adapted to engage the top of the inner body and the ring has a partially spherical surface around the lower periphery thereof which contacts the top of the inner body which also has a complementary shaped partial spherical surface thereon for providing a mating slideable joint between the ring and the inner body. The ring is adjustably attached to the inner body. A grate is disposed in a recess on the ring and an optional basket strainer can be installed under the grate.
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Jones W. Gary
Savage Matthew O.
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