Patent ID: 11866926
Assignee: TOOLBRO INNOVATORS, LLC
Field: Civil engineering (Other fields)
Classification: CPC E  Y | IPC E

Claim 1:
2. The drain of claim 1, wherein:
the inner tube includes an inner tube crossmember that extends radially within the inner tube and, end to end, is formed integrally with the inner tube peripheral wall, the inner tube crossmember being located intermediate of the inner tube top and bottom ends and having an upper threaded opening at a radial center thereof;
the outer tube includes an outer tube crossmember that has a center member that extends radially at the outer tube bottom end and, end to end, is connect with the outer tube peripheral wall via first and second flanges, the outer tube crossmember having a lower threaded opening at a radial center thereof; and
an adjustment rod extends between the upper and lower threaded openings,
wherein in operation, the adjustment rod is rotated to raise or lower the catch basin, including the inner tube, relative to the outer tube, and
wherein a length of the inner and outer tubes is such that the inner and outer tubes are configured to axially overlap at a maximum telescopic extension of the inner and outer tubes.